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Summary of Contents:

[Page 1] OPHIR NOVA II NOVA || LASER POWER/ENERGY METER USER MANUAL NOVA NOVA OPHIR OPTRONICS www.ophiropt.com/photonics 147x200mm …

[Page 2] OPHIR NOVA II 1 Table of Contents Chapter 1. Introduction: How to Use This Manual 4 Chapter 2. Quick Reference ……………………………. 5 2.1 Getting Started …………………………………………………….. 5 2.2 Functio…

[Page 3] OPHIR NOVA II 2 Chapter 5. Operation with Photodiode Type Sensors …………………………………………………….. 54 5.1 Photodiode Sensors …………………………………………… 54 5.2 Setting up the PD300 to display …

[Page 4] OPHIR NOVA II 3 Chapter 9. Calibration, Maintenance and Troubleshooting ………………………………………….. 87 9.1 Calibration of Thermopile or RP Sensors ……………. 87 9.2 Calibration of Photodiode type Sensors …………….

[Page 5] OPHIR NOVA II 4 Chapter 1. Introduction: How to Use This Manual The Ophir Nova II is a microprocessor-based Laser Power/Energy Meter providing a broad range of measurements, displays, and data handling options. It operates w…

[Page 6] OPHIR NOVA II 5 Chapter 2. Quick Reference 2.1 Getting Started The Nova II is equipped with «soft keys.» That is the functions of the keys change as indicated by the legend above each key. (See Figure 2.2). To co…

[Page 7] OPHIR NOVA II 6 2.2 Functions with no Sensor Connected 2.2.1. Turning on and off. To switch the Nova II on: Briefly press the on/off/backlight switch. (Figure 2.2) The unit will switch on, and the display will appear. Note: The…

[Page 8] OPHIR NOVA II 7 To switch the backlight on and off: After the Nova II is switched on, press the on/off/backlight switch briefly again. The backlight will switch on. To switch off the backlight, press the switch again. To switch the …

[Page 9] OPHIR NOVA II 8 Setting Contrast: 1. Disconnect the sensor, turn off then on again. “Head Disconnected» will be displayed. 2. With the navigation keys go into the contrast setting menu with the icon . 3. Press en…

[Page 10] OPHIR NOVA II 9 2.2.3. Updating the firmware of the Nova II. 1. Download the latest firmware version of the Nova II from the Ophir website: www.ophiropt.com/photonics and copy to your target directory. 2. Turn on the Nova II. 3. Connect …

[Page 11] OPHIR NOVA II 10 wavelength is automatically introduced (This feature is available using the Nova II meter with software v 1.59 and above). To set type of laser being used: With sensors with fixed wavelengths: 1. While the Nova II…

[Page 12] OPHIR NOVA II 11 Note: If you save in the Modify wavelength screen, the new wavelength will automatically be saved as the startup wavelength. Therefore, you must separately save the modified wavelength and then, in the next higher…

[Page 13] OPHIR NOVA II 12 instrument and not the sensor so the Nova II will start up from the screen selected for all sensors). 4. Now select “Power range”, press enter and choose the manual power range you wish to be the default …

[Page 14] OPHIR NOVA II 13 To expand the bargraph scale ±5x about the present reading: 1. Press the «zoom” button . 2. Press the «zoom” button again to return to the ordinary bargraph. See Section 4.4.2.1 for full …

[Page 15] OPHIR NOVA II 14 4. When the Nova II screen flashes «ready,» on and off, fire the laser. See Section 4.5 for full details. To save configuration: 1. To save configuration, follow directions in Section 2.2.2 above. 2.4 P…

[Page 16] OPHIR NOVA II 15 wavelength selected as startup from the 6 default wavelengths. 2.4.3. To choose manual or automatic ranging or dBm in power measurement Select «range» and enter. Using the navigation keys, select the ap…

[Page 17] OPHIR NOVA II 16 1. Press the «zoom” button. 2. Press the «zoom” button again to return to the ordinary bargraph. To subtract background and set current reading to zero: 1. From the main power measureme…

[Page 18] OPHIR NOVA II 17 different value has been saved and when used with a Nova II again you should zero it again. 2.5.2. Changing Chosen Wavelengths (metallic type only) 1. Select «laser» and enter. 2. Select the wavelength you …

[Page 19] OPHIR NOVA II 18 4. Now select “energy range”, press enter and choose the manual energy range you wish to be the default. 5. Now select “average” to select what period you wish to average power over or select the de…

[Page 20] OPHIR NOVA II 19 Note: High sensitivity pyroelectric sensors (PE-9, PE-10) are very sensitive to vibration, and therefore might read a false trigger when operating in an acoustically non-stable environment. Set the threshold …

[Page 21] OPHIR NOVA II 20 Warning: While measuring pulsing lasers, erroneous energy reading will result if energy range is not set up correctly. See Section 6.4 for details . 2.5.5.3. To measure Total Energy Exposure. 1. From the…

[Page 22] OPHIR NOVA II 21 Chapter 3. The Nova II Meter 3.1 General Description The model Nova II laser power/energy meter represents a new level of sophistication, sensitivity, compactness and accuracy, coupled with ease of operat…

[Page 23] OPHIR NOVA II 22 3.2 Smart Connectors The Nova II meter is versatile and can operate with either thermal, pyroelectric or photodiode type laser measuring sensors. The sensor configuration and calibration information is…

[Page 24] OPHIR NOVA II 23 Key Functions The Nova II has certain conventions as to the meaning of standard key strokes and these are as follows: Highlighted item: The highlighted item is the item presently active. These buttons move to the nex…

[Page 25] OPHIR NOVA II 24 3.4 Power Up and Shut Down Figure 3.1 …

[Page 26] OPHIR NOVA II 25 To turn the Nova II on: Briefly press the on/off/backlight switch. (See Figure 3.1) The unit will switch on, and the display will appear. If no sensor is connected, a display showing “Head Disconnected…

[Page 27] OPHIR NOVA II 26 3.5.1. Display Mode The Nova II can operate in the standard power/energy measurement screen or needle type display or can display the information in specialized forms: an attenuation screen, a tune/exposure sc…

[Page 28] OPHIR NOVA II 27 3.5.3. Analog Output The Nova II has a feature of adjustable analog output 10 Volts full-scale output. To set the analog output voltage, select “An. Output” enter, select the voltage, enter again and save. …

[Page 29] OPHIR NOVA II 28 3. Press «zero». 4. Make sure the instrument is not in an electrically noisy environment and is undisturbed. Press «start» and wait for message, «zeroing completed». Now press &quo…

[Page 30] OPHIR NOVA II 29 battery even when the charger is not plugged in. Nevertheless, since it does shorten the time between charges, it is recommended to operate the instrument without the backlight when the instrument is ope…

[Page 31] OPHIR NOVA II 30 3.6.3. Analog Output The instrument provides an analog voltage output via the 2.5mm mono jack socket on the rear panel marked “AN OUT”. (See Figure 3.2). The Nova II is supplied with the mating adapter plug t…

[Page 32] OPHIR NOVA II 31 then the instrument will automatically either be in RS232 or USB mode depending on which cable is attached. See section 4.4.2.6.1 for details of communication with PC. 3.6.6. Sensor Disconnect / Connect …

[Page 33] OPHIR NOVA II 32 Chapter 4. Operation with Thermopile Absorber Sensors Warning: Before using the sensor for power or energy measurement, check that your laser power, energy and energy density do not exceed the sensor ratings….

[Page 34] OPHIR NOVA II 33 The meter amplifies this signal and indicates the power level received by the sensor. At the same time, signal processing software causes the meter to respond faster than the thermal rise time of the…

[Page 35] OPHIR NOVA II 34 in factors of 1, 10, 100, etc. When the reading falls below 9% of full scale, the range changes to one range lower. This change only occurs after a few seconds delay. This provides overlap (hysteresis)…

[Page 36] OPHIR NOVA II 35 4.3 Startup and Configuration of Defaults If you are planning to do measurements of the same type most of the time, you can set up the Nova II so that it automatically starts up in the measurement mode desir…

[Page 37] OPHIR NOVA II 36 6. Now select “Threshold” if you want to change the energy threshold. See section 4.5.3 for details. 7. Now select “Laser” and select the laser type you want to be the default. The Nova II will …

[Page 38] OPHIR NOVA II 37 4.4.2. Additional Power Measurement Features The following section describes additional Nova II functions in power mode in addition to the basic power measurement mode described above. 4.4.2.1. Zoom The Zoom funct…

[Page 39] OPHIR NOVA II 38 permanent zero offset, then disconnect the sensor while it is in the power measurement mode. If the Nova II still shows a similar offset even when the sensor is not connected, the instrument’s internal z…

[Page 40] OPHIR NOVA II 39 4.4.2.3.2. Measuring with the Tune Screen You can now use the tune screen to adjust and maximize your laser power. (See Figure 4.1). Note that you can not only see the trend, but also see if you have already reach…

[Page 41] OPHIR NOVA II 40 is reached, the bargraph is filled and from then on, the average is a running average over the average period backward in time. For instance, if the average period is 1 minute, at 30 seconds, the average is over 30 s, at 1 …

[Page 42] OPHIR NOVA II 41 (dimensionless) on the screen will be 2/1.5 = 1.33. The screen will also show in small digits the power at which the normalization was done and the present power. To use the Nova II to normalize the power: 1. From the m…

[Page 43] OPHIR NOVA II 42 To use the Nova II to graph power vs. time: 1. From the main power measurement screen, select “menu” and enter. Select “data-log” and enter. 2. You are now in the setup screen. Under “Graph Settings”,…

[Page 44] OPHIR NOVA II 43 Sensor: 30A Range: 30W Laser: 248 Points Sampled: 300 Time Scale: 1min Minimum: 12.3W Average: 15.4W Maximum: 28.4W Std Dev: 6.43W Present: 27.2W Time: 11:…

[Page 45] OPHIR NOVA II 44 Figure 4.5 Data Storage Screen 2. When the screen is entered, the data in the latest power graph will be stored temporarily in register “Temp”. With the navigation buttons select the permanent …

[Page 46] OPHIR NOVA II 45 Data Transmission to PC The data stored in the Nova II file system can be transmitted to PC using the Starcom PC package supplied with the Nova II. The data can be transmitted in real time as well according to…

[Page 47] OPHIR NOVA II 46 Note: The present range is displayed on the upper left and bottom right of the energy measurement screen as shown in Figure 4.6. Figure 4.6 Thermopile Energy Screen 4.5.2. Measurement To measure energy …

[Page 48] OPHIR NOVA II 47 designed not to respond to pulses below some preset minimum size. This «Minimum Energy Threshold» is typically set to 0.3% of full scale of the selected range. If this level is found to be too sen…

[Page 49] OPHIR NOVA II 48 The energy per pulse can be calculated by:Average Energy per pulse = Total Energy / Number of Pulses In both of the above methods, the pulse repetition rate must exceed 3Hz. Higher rates will generally give improved …

[Page 50] OPHIR NOVA II 49 4.4.2.6.1 for more information on data storage and handling. Note: For Thermopile sensors logging energy, there are no setup options. 4.5.6.1. To use the Nova II for graphical display of energy — regular m…

[Page 51] OPHIR NOVA II 50 Energy Log Screen 4.6 Advanced Meter Screens 4.6.1. Power and Energy Beam Splitter/Attenuator Screens If you have a measurement setup with a beam splitter or attenuator and wish to display the laser po…

[Page 52] OPHIR NOVA II 51 Press save if you wish to save this value and then press enter to return to the standard measurement screen. If you want the instrument to start up in the attenuation screen, follow the instructions for instrument startup…

[Page 53] OPHIR NOVA II 52 and displays the power or energy density in units of W/cm² or J/cm². In order to activate this screen do as follows: 1. From the main screen select “menu” , enter and select “density”.The display w…

[Page 54] OPHIR NOVA II 53 change each number and the right/left keys to move to the next number. After you are finished, press “save”. 3. Do the same for the “high” limit. 4. If you want the limits screen to be the start…

[Page 55] OPHIR NOVA II 54 Chapter 5. Operation with Photodiode Type Sensors Warning: Before using the sensor for power measurement, check that your laser power or energy and energy density does not exceed the sensor ratings. See Table 5….

[Page 56] OPHIR NOVA II 55 been constructed with a built in filter so the basic sensor can measure to 30mW or more without saturation. When the additional filter is installed, the maximum power is on the order of 300mW (or 3W with …

[Page 57] OPHIR NOVA II 56 Please use the following procedure to set the PD300 to your laser wavelengths. 1. From the power measurement screen, select “laser” and enter. 2. With the up/down navigation keys, select the first wavelength desir…

[Page 58] OPHIR NOVA II 57 operative for all sensors). For more details on the screen types see section 4.6. 4. Now select “Power Range:” and in the same way choose the manual power range you wish to be the default or autorange or d…

[Page 59] OPHIR NOVA II 58 In order to choose the laser wavelength, simply select “laser” and enter. Select the chosen wavelength and enter again. In order to set the default startup wavelength, see section 5.3. 5.4.2. To choose Ma…

[Page 60] OPHIR NOVA II 59 To choose auto, manual or dBm range, follow these steps: 1. From the main measurement screen, select “range”. 2. Now select the correct manual, auto or dBm range with the navigation keys. If you want…

[Page 61] OPHIR NOVA II 60 To choose the filter setting: 1. From the main measurement screen press “filter”. 2. If you wish to work with filter installed, press «change» until display says «filter is in». Be sure to…

[Page 62] OPHIR NOVA II 61 using the zero function. For example, the Nova II display reads 0.1mW when the laser is blocked and 20.5 mW with laser power applied. In this case, the true power is 20.5 — 0.1 = 20.4 mW. To subt…

[Page 63] OPHIR NOVA II 62 Note: If there is a zero offset in the reference value, you cannot subtract this using the dB offset function. Instead, before the start of the measurement, press “offset” and subtract the zero offset. Then f…

[Page 64] OPHIR NOVA II 63 5.4.8. Tune and Power log The Tune function, an exclusive Ophir option, makes adjusting your laser to its maximum power easier than ever before. Unlike a bargraph or mechanical meter, this display shows graphic…

[Page 65] OPHIR NOVA II 64 Chapter 6. Operation with Pyroelectric Sensors Warning: Before using the sensor for power or energy measurement, check that your laser power, energy and energy density do not exceed the sensor ratings as li…

[Page 66] OPHIR NOVA II 65 frequency at which the laser is pulsing. Using the energy and frequency information, the Nova II is also able to display average power. The photodiode based PD10 & PD10-PJ sensors also use the same circuitry but can measu…

[Page 67] OPHIR NOVA II 66 Pyroelectric Energy Screen 6.2.1. Setting up the sensor to display the user’s chosen wavelengths. The absorption of the detector coating varies somewhat with wavelength. The correction curve …

[Page 68] OPHIR NOVA II 67 the others will be saved until the instrument is turned off. 5. Pyroelectric sensors are sensitive to vibration as well as heat from the laser pulses. If there is vibration or excessive acoustical noi…

[Page 69] OPHIR NOVA II 68 6.2.2.2. Setup for the Time Period to Average Over The Nova II has the ability to measure a number of pulses and display the average value of the energy of the pulses. This function is useful if the laser ener…

[Page 70] OPHIR NOVA II 69 6.2.2.3. Setting the Threshold (PE-C sensors) Pyroelectric sensors are sensitive to noise and vibration as well as the heat from the laser pulses. They can falsely trigger on such disturbances, especially…

[Page 71] OPHIR NOVA II 70 “configure” and enter again. Now choose the desired startup parameters as follows: 1. Select “startup mode” to choose «power» or «energy» for the desired startup screen. Choose power or …

[Page 72] OPHIR NOVA II 71 6.4 Energy, Power or Exposure Measurement Warning: Before using the sensor for power or energy measurement, check that your laser energy, energy density and average power do not exceed the sensor ratings as li…

[Page 73] OPHIR NOVA II 72 sensor is “conditioned” to work with the particular Nova II the zeroing was done against. It is not necessary to do this procedure again unless the Nova II is used with a different sensor. If the procedure i…

[Page 74] OPHIR NOVA II 73 if «none» selected as the averaging period, following every 1/5th of a second period, the Nova II will display on the screen the next pulse which arrives. The Nova II will hold the display of the latest …

[Page 75] OPHIR NOVA II 74 2. Select “range”, enter and then use the navigation keys to select the proper range. The correct range is the lowest one that is larger than the pulse energy measured. Note that the proper range is rel…

[Page 76] OPHIR NOVA II 75 Figure 6.2. Exposure Screen 3. Press “start”. The Nova II will start summing laser energy exposure. When you wish to stop measuring, press «stop» or wait for measurement to reach the “timeout&quo…

[Page 77] OPHIR NOVA II 76 Normalize When you wish to show the readings as compared to some standard reading, the normalize function allows you to do this. After setting “normalize”, all subsequent readings will be shown as a ra…

[Page 78] OPHIR NOVA II 77 6.5 Measuring Repeating Pulses of High Energy Because of their construction, pyroelectric sensors are restricted in the energy density they can withstand, particularly for short pulses on the order of nanoseconds…

[Page 79] OPHIR NOVA II 78 Turbo mode In regular data log mode above, you can only log every point at up to 180 points per sec. Also you can not transmit to PC at higher rates than 180 Hz in regular data log mode. In order to …

[Page 80] OPHIR NOVA II 79 6.7 Pyro Scope Adapter A special adapter can be purchased which is plugged in between the sensor connector and the Nova II sensor socket. This adapter has a cable and BNC connector to attach to an oscill…

[Page 81] OPHIR NOVA II 80 5. Press “OK” and “OUT” will appear on the main power / energy screen. Make sure to remove the diffuser from the sensor. 6. Press “laser” and select the correct wavelength. Note that only wavelengths com…

[Page 82] OPHIR NOVA II 81 Chapter 7. BeamTrack Features Some of our thermopile sensors are equipped with circuitry enables them to measure the laser’s position as well as the spot size in addition to standard power and energy …

[Page 83] OPHIR NOVA II 82 7.2 Menu Screen To access the various other BeamTrack features, go to the Menu screen from the main Track Screen. Figure 7.2 BeamTrack Menu Screen 7.3 Stability Screen This screen tracks the position of the laser beam …

[Page 84] OPHIR NOVA II 83 A circle is drawn around the latest measurement to be recorded. Press the “Rate” softkey to change the sampling rate. Press the “Reset” softkey to erase the graph and clear the statistics. 7.4 Statistics Screen …

[Page 85] OPHIR NOVA II 84 Configuration Screen, set Line Frequency to 50Hz or 60Hz, depending on the country you’re in. Figure 7.5 Configuration Screen …

[Page 86] OPHIR NOVA II 85 Chapter 8. Circuit Description The NOVA II has two circuit boards: the lower board with analog circuit, digital processor and its support circuit, and power supplies; and the upper board with LCD and its …

[Page 87] OPHIR NOVA II 86 amounts of logged data permanently, even when the instrument is turned off. (See section 4.4.2.6.1 on data storage). The digital processor receives data from the A/D converter and translates it into a mea…

[Page 88] OPHIR NOVA II 87 Chapter 9. Calibration, Maintenance and Troubleshooting 9.1 Calibration of Thermopile or RP Sensors 9.1.1. Absorber types and Method of Calibration of Ophir Power Meters 9.1.1.1. Types of Ophir Laser Absorbers …

[Page 89] OPHIR NOVA II 88 lasers. It is calibrated for the spectral range 250 – 2200nm with some sensors also being calibrated for 2940nm. 2. Volume absorbers: P (pulse) type absorber The models with the P suffix, for use with p…

[Page 90] OPHIR NOVA II 89 Ophir power/energy meters with the Broadband, P or PF type absorbers are individually calibrated by laser at several wavelengths against a NIST calibrated standard meter. The meter can be switched to give the exact …

[Page 91] OPHIR NOVA II 90 Graph 2. Absorption vs. Wavelength of Various Pyroelectric Sensor Absorbers 9.1.2.2. Method of Calibration The absorption of the various Ophir thermal absorbers can vary from disc to disc. Therefore, all Ophir…

[Page 92] OPHIR NOVA II 91 3. Enter “factor” and apply the known laser power/energy. 4. Enter the “modify “ screen and adjust the factor until the power/energy reading on the screen equals the known power/energy. Press “…

[Page 93] OPHIR NOVA II 92 9.2.1. Method of Factory Calibration The sensitivity of various Ophir photodiode sensors can vary from one to another as well as with wavelengths. Therefore, Ophir photodiode detectors are individually calibrated agains…

[Page 94] OPHIR NOVA II 93 Note: More exact specifications will be found in the latest Ophir Laser Measurement Instruments Catalog. 9.2.3. Recalibration at a specific wavelength from a Known Source of Laser Power 1. From the main measurement…

[Page 95] OPHIR NOVA II 94 J/cm² for short pulses and 2J/cm² for long pulses without changing calibration. The absorption of this coating is above 90% for most of its range, as shown in Graph 3 below. This coating is available for th…

[Page 96] OPHIR NOVA II 95 9.3.2. Calibration The sensitivity of the various Ophir pyroelectric sensors can vary from one to another as well as with wavelengths. Therefore, Ophir pyroelectric detectors are individually calibrated again…

[Page 97] OPHIR NOVA II 96 The non-linearity is approximately 2%, and the error due to wavelength is given in table 3 above. In addition to the above errors, the reading of pyroelectric sensors changes with frequency. The sensor …

[Page 98] OPHIR NOVA II 97 Note 1: For metallic and PD10 & PD10-PJ type sensors, when the calibration is changed at one laser wavelength, the overall calibration of all other wavelengths changes proportionately. 9.4 Error Mes…

[Page 99] OPHIR NOVA II 98 9.5 Troubleshooting 9.5.1. Nova II Meter Problem Cause/Remedy Instrument will not operate after being completely discharged and connected to charger. Check that charger provides 200mA. Instrument operates with …

[Page 100] OPHIR NOVA II 99 9.5.4. Pyroelectric Sensors Problem Cause/Remedy Instrument reads incorrectly or erratically, especially on sensitive scale. Possible electromagnetic interference from pulsing laser is causing misreading and/or…

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  NOVA NOVA LASER POWER/ENERGY METER USER MANUAL OPHIR OPTRONICS www.ophiropt.com/photonics…

• Page 2: Table Of Contents

  Chapter 4. Operation with Thermopile Absorber Sensors ………….. 32 4.1 Thermopile Absorber Sensors ……..32 4.2 Selecting Settings from the Nova II Screen … 33 4.3 Startup and Configuration of Defaults ….35 Power Measurement ……….36 4.5 Energy Measurement ……….45…

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  5.2 Setting up the PD300 to display the user’s chosen wavelengths …………..55 5.3 Startup Defaults …………56 5.4 Selecting Settings from the Nova II Screen … 57 Chapter 6. Operation with Pyroelectric Sensors . 64 6.1 Pyroelectric & Photodiode Energy Sensors ..64 6.2 Selecting Settings from the Nova II Screen …
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  9.2 Calibration of Photodiode type Sensors ….91 9.3 Calibration of Pyroelectric type Sensors ….93 9.4 Error Messages …………97 9.5 Troubleshooting …………98 9.6 Maintenance …………… 99 Chapter 10. Nova II Specifications ….100 10.1 System/Meter Specifications ……100 10.2 Sensor Specifications ………. 101…

• Page 5: Chapter 1. Introduction: How To Use This Manual

  This manual tells you what you need to know to make full use of the Nova II for all your laser measurement needs. It includes a «Quick Reference», (Chapter 2) to allow you to perform basic measurements immediately, without reading the whole manual.

• Page 6: Chapter 2. Quick Reference

  Chapter 2. Quick Reference 2.1 Getting Started The Nova II is equipped with «soft keys.» That is the functions of the keys change as indicated by the legend above each key. (See Figure 2.2). To connect sensor to the Nova II Meter Insert the 15 pin D type connector of the measuring sensor cable into the socket marked «Head Input»…

• Page 7: Functions With No Sensor Connected

  Figure 2.2 2.2 Functions with no Sensor Connected 2.2.1. Turning on and off. To switch the Nova II on: Briefly press the on/off/backlight switch. (Figure 2.2) The unit will switch on, and the display will appear. Note: The sensor must be plugged in before the unit is…

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  To switch the Nova II off: Press the on/off/backlight switch and hold it for ~ 3 seconds until the display blanks. If you wish to save the current Nova II configuration, use the «configure» function. (See section 2.2.2). Display Options 2.2.2.
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  Japanese language as the Nova II startup language, the way to switch back to English is: a. Disconnect the sensor from the Nova II. b. Turn the Nova II off and on again. You will reach the instrument setup screen (titled “Head disconnected” in Japanese).

• Page 10: Thermal Sensors

  10. The status will show a green V sign and state «finished». 11. Press «Done». 2.3 Thermal Sensors 2.3.1. Use of Nova II with thermal type sensors. Most Thermopile sensors have somewhat different absorption at different wavelengths. In order to compensate for this, each sensor has been calibrated by laser at several wavelengths.

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  To set type of laser being used With sensors with fixed wavelengths: 1. While the Nova II is off, plug in the sensor then switch it on again. 2. Press the navigation keys until «laser» is highlighted. Press the enter key and select the appropriate laser wavelength.
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  2. To go from the energy measurement screen to power measurement, press “power”. 2.3.2. Setting and Saving the Startup Configuration 1. Turn on the Nova II with the sensor connected, select “menu” and enter. Select “configure” and enter. 2. Now, with the navigation keys select “Startup mode”, press the enter key and select “power”…
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  Nova II will start up from the screen selected for all sensors). 4. Now select “Power range”, press enter and choose the manual power range you wish to be the default or choose auto range.
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  «offset». 2. Press «offset» again to cancel. See Section 4.4.2.2 for full details. To use the Nova II to fine-tune Laser power: 1. From the main power measurement screen select “menu” and enter. Now select «tune» and enter. 2. Set the percentage range of the power scale to be displayed by repeatedly pressing the ±50% key.

• Page 15: Photodiode Sensors

  2.2.2 above. 2.4 Photodiode Sensors 2.4.1. Selecting Wavelengths 1. While the Nova II is off, plug in the sensor then switch it on again. 2. From the main measurement screen, press «laser» to select the correct laser wavelength. If you want to save this new wavelength as the startup default, press “save”…

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  wavelength selected as startup from the 6 default wavelengths 2.4.3. To choose manual or automatic ranging or dBm in power measurement Select «range» and enter. Using the navigation keys, select the appropriate manual range autorange or dBm (logarithmic scale). 2.4.4. Setting the Startup Configuration 1.

• Page 17: Pyroelectric Sensors

  «offset». 2. Press «offset» again to cancel. See Section 5.4.5 for full details. To use the Nova II to fine-tune Laser power 1. From the main power measurement screen select “menu” and enter. Now select «tune» and enter. 2. Set the percentage range of the power scale to be displayed by repeatedly pressing the ±50% key.

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  If you do not want to save this as the startup mode but only change for now, exit without save. (This choice is saved in the instrument and not the sensor so the Nova II will start up from the screen selected for all sensors).
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  4. Now select “energy range”, press enter and choose the manual energy range you wish to be the default. 5. Now select “average” to select what period you wish to average power over or select the default, «none». 6. If the sensor is a diffuser sensor, now select diffuser in or out.
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  «power». 2. To go from the main power measurement screen to energy measurement, press «energy». 2.5.5.2. To use the Nova II to measure Laser Energy and Frequency 1. In measurement mode, verify that the units are mJ, µJ etc.
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  “menu”, enter and select “exposure”. Enter. 2. Select the method of measurement with “mode”, “timeout” and “pulses” then press “start”. Press “start” again. The Nova II will start summing laser energy exposure. If you wish to stop before the chosen period, press” stop”.

• Page 22: Chapter 3. The Nova Ii Meter

  You can also zero the Nova II at the touch of a button. The main instructions as well as full help files are clearly shown on the screen so you should not have to refer to this manual very often.

• Page 23: Smart Connectors

  See section 3.6.6 for details When no sensor is plugged in and the Nova II is turned on, the meter indicates “Head Disconnected» and gives the user the opportunity to change the baud rate, re- zero the instrument, set the real time clock or other features.

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  Key Functions The Nova II has certain conventions as to the meaning of standard key strokes and these are as follows: Highlighted item: The highlighted item is the item presently active. These buttons move to the next active item leftwards, rightwards. These are the navigation buttons.

• Page 25: Power Up And Shut Down

  3.4 Power Up and Shut Down Figure 3.1…

• Page 26: Nova Ii Functions, Which Are Independent Of Sensor Type

  3.5 Nova II Functions, which are independent of Sensor Type When no sensor is connected to the Nova II and it is turned on, the message “Head Disconnected» appears. In this mode, the user can adjust the startup screen, either the standard power/energy screens or other specialized screens.

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  Needle Screen 3.5.2. RS232 Baud Rate If you are using the Nova II for RS232 communication with PC, the baud rate can be set by selecting «RS232 baud» and selecting the appropriate rate then pressing enter and save. Unless you need especially fast…
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  1. If a sensor is connected, disconnect the sensor, turn off the instrument then back on again so the Nova II can identify that no sensor is connected. “Head Disconnected» will be displayed. 2. Let the Nova II run for at least 30 seconds before performing zero adjustment.

• Page 29: Hardware Functions

  The backlight illuminates the meter from the rear and is operated by the same switch as turns the instrument on and off (See Figure 3.1). The Nova II backlight consumes considerably less power than competing instruments and therefore it can operate from the…

• Page 30
  To operate the backlight, press the on/off/backlight switch briefly while the Nova II is on. To turn off the backlight, press again briefly. (If the switch is pressed for ~3s, the instrument will turn off).
• Page 31
  PC. The Unit is supplied with two cables, each with a 7 pin DIN plug on one end mating with the Nova II and either a USB or 9 pin D RS232 connector on the other side. When you wish to operate…
• Page 32
  If such an event happens, a warning screen will be displayed for 3 seconds, after which the Nova II will restart itself in its new configuration. Thus if a user wants to change sensors during his experiment he no longer needs to power down the Nova II to do so.

• Page 33: Chapter 4. Operation With Thermopile Absorber Sensors

  Chapter 4. Operation with Thermopile Absorber Sensors Warning: Before using the sensor for power or energy measurement, check that your laser power, energy and energy density do not exceed the sensor ratings. See Table 5. and Table 6. in Chapter 10. If the sensor is a water-cooled type, ensure that the cooling water is flowing at an adequate rate;…

• Page 34: Selecting Settings From The Nova Ii Screen

  Nova II. Energy of a single pulse is measured on the Nova II by digitally integrating the pulse power over time.

• Page 35
  To choose auto range, select “Range”, enter, choose “AUTO” then enter again. If you wish the Nova II to be in manual mode when switched on, save this configuration before switching off See Section 4.3.

• Page 36: Startup And Configuration Of Defaults

  4.3 Startup and Configuration of Defaults If you are planning to do measurements of the same type most of the time, you can set up the Nova II so that it automatically starts up in the measurement mode desired. Since these settings are saved in the sensor «smart connector», you can save different settings for…

• Page 37: Power Measurement

  Nova II is switched off only. 9. Switch the Nova II off then on by means of the on/off/backlight switch. (See Figure 3.1). The Nova II will enter the mode of operation last saved with the «configure»…

• Page 38
  In this case, the true power is 20.5 — 0.1 = 20.4 Watts. To subtract the background, press the “offset” button while the laser is blocked. The Nova II will now read zero, and the 0.1 Watt background will be subtracted from all subsequent readings.
• Page 39
  Nova II settings. 4.4.2.3.1. To use the Nova II to fine tune laser power 1. From the main measurement screen, select “menu” and enter. Select “tune” and enter.
• Page 40
  4.4.2.4. Average When a laser output is fluctuating or unstable, it is useful to measure the average power over a certain period. The Nova II gives you this exclusive feature, allowing averaging over periods varying from 1 s to 1 hour.
• Page 41
  1 min, at 5 minutes, it is over the period from 4 to 5 minutes (1 minute back from the present etc.). To use the Nova II to display average: 1. From the main power screen, select “average” and enter.
• Page 42
  Thermopile Normalize Screen 4.4.2.6. Power vs. Time Graph and Data Logging The Nova II in datalog mode has the option of graphing the laser power against time and storing the data in up to 10 permanent storage files with up to 5,400 data points in each file.
• Page 43
  To use the Nova II to graph power vs. time: 1. From the main power measurement screen, select “menu” and enter. Select “data-log” and enter. 2. You are now in the setup screen. Under “Graph Settings”, select “Min:” and enter.
• Page 44
  Sensor: 30A Range: 30W Laser: 248 Points Sampled: 300 Time Scale: 1min Minimum: 12.3W Average: 15.4W Maximum: 28.4W Std Dev: 6.43W Present: 27.2W Time: 11:24:23 Pause Reset Zoom Exit Figure 4.4 Laser Power VS Time Graph 4.4.2.6.1. Data Storage and Transmission When using thermal and photodiode sensors the data logging period is anywhere from 20 seconds to 600 hours.
• Page 45
  Temp: 300 1340 Free Space: 58460 Sensor: 30A S/N: 104360 Points Logged: 1340 Average: 23.4W Minimum: 19.4W Std Dev: 2.43W Maximum: 27.3W Exit Save Delete Help Figure 4.5 Data Storage Screen 2. When the screen is entered, the data in the latest power graph will be stored temporarily in register “Temp”.

• Page 46: Energy Measurement

  4.5 Energy Measurement 4.5.1. Setup Switch the Nova II on. If it is in power mode, press the left soft key “energy” to put it into energy mode. The energy mode is manual ranging: enter “range” and then use the navigation keys to get to the proper range then enter again.

• Page 47
  «ready» appears, the reading may be inaccurate or may not be displayed. 4.5.3. Minimum Energy Threshold If the Nova II is used in a noisy environment or where there is a high level of background thermal radiation, the instrument may trigger spuriously on the noise or background radiation.
• Page 48
  designed not to respond to pulses below some preset minimum size. This «Minimum Energy Threshold» is typically set to 0.3% of full scale of the selected range. If this level is found to be too sensitive for the user’s particular environment, it may be altered by the user. The threshold should not, however, be raised higher than necessary.
• Page 49
  Ophir pyroelectric sensors,as long as the pulse energies do not exceed the ratings of the pyroelectric absorbers. The pyroelectric sensors are compatible with the Nova II and just have to be plugged in to be used. For higher pulse energies, you can use the Ophir model RP to measure both average power and exact individual pulse energy of the rapidly repeating pulses.
• Page 50
  4.5.6.1. To use the Nova II for graphical display of energy — regular mode 1. Make sure that the Nova II is in the correct energy measurement range. If not, enter “range”, adjust and enter again. 2. From the energy measurement screen enter “menu”…

• Page 51: Advanced Meter Screens

  Sensor: 30A Range: 30J Laser: 248 Points Sampled: 25 Minimum: 22.3J Average: 23.4W Maximum: 25.4W Std Dev: 1.43W Present: 21.2W Time: 11:24:23 Pause Reset Zoom Exit Figure 4.7 Energy Log Screen 4.6 Advanced Meter Screens 4.6.1. Power and Energy Beam Splitter/Attenuator Screens If you have a measurement setup with a beam splitter or attenuator and wish to display the laser power or…

• Page 52
  4.6.2. Power and Energy Density Screens The Nova II gives you the option to measure in units of power and energy density instead of power and energy. You input the beam size and the meter then calculates…
• Page 53
  «Height» box. 4.6.3. Power and Energy Limits Screens The Nova II gives you the option to set upper and lower limits of power and energy. If these limits have been set in the limit screen, then when the power or energy is above the maximum limit set the message “OVER”…
• Page 54
  3. Do the same for the “high” limit. 4. If you want the limits screen to be the startup default of the Nova II, follow the instructions in section 3.5. Now when the power or energy is over or under the limits chosen, the error message will be shown as in Figure 4.9.

• Page 55: Chapter 5. Operation With Photodiode Type Sensors

  The Nova II meter amplifies this signal and indicates the power level received by the sensor. Due to the superior circuitry of the Nova II, the noise level is very low, and the PD300 /3A-IS series sensors with the Nova II meter have a large dynamic range from nanowatts to hundreds of milliwatts.

• Page 56: Setting Up The Pd300 To Display The User’s Chosen Wavelengths

  been constructed with a built in filter so the basic sensor can measure to 30mW or more without saturation. When the additional filter is installed, the maximum power is on the order of 300mW (or 3W with model PD300-3W). The PD300 saturates when the output current exceeds 1.3mA so the exact maximum power depends on the sensitivity of the detector at the wavelength used.

• Page 57: Startup Defaults

  For details of filter in/out See Section 5.4.3. 3. Now select “display mode” and select the desired startup screen. Press save.(Note that this selection is saved in the Nova II and not the sensor so will be…

• Page 58: Selecting Settings From The Nova Ii Screen

  4. Now select “Power Range:” and in the same way choose the manual power range you wish to be the default or autorange or dBm. The Nova II will now be in the range selected when switched on with the sensor in question.

• Page 59
  See Section 5.3. dBm — The Nova II allows the measurement to be made in units of dBm that is a logarithmic scale. dBm units are defined as:…
• Page 60
  Depending on what powers you wish to measure, you should choose whether or not to work with the removable filter installed or not. For this purpose, the Nova II has a «filter» setting and uses the proper correction curve depending on whether the filter is installed or not.
• Page 61
  Section 5.2. In addition, the offset function can be used to subtract the residual background signal that remains if desired. If the Nova II shows a nonzero power reading even when there is no laser, you can subtract the background…
• Page 62
  To subtract the background, press «offset» while the laser is blocked. The Nova II will now read zero (0.0), and the 0.1 mW background will be subtracted from all subsequent readings. The laser power reading will thus be 20.4 mW.
• Page 63
  5.4.7. Average and Measuring Very Low Power Measurement If the laser power is fluctuating, the Nova II can display the average power readings with averaging periods varying from 1s to 1 hour. When measuring very low…
• Page 64
  The Nova II also has the option of graphing the laser power vs. time, or successive energy points as long as the Nova II has not been turned off. While measurements are being taken, the Nova II will record data until the screen is full, or «reset»…

• Page 65: Chapter 6. Operation With Pyroelectric Sensors

  They can measure low energies as well as high. They can also measure at higher repetition rates than was possible before. The Nova II meter amplifies this signal and indicates the energy received by the sensor as well as the…

• Page 66: Selecting Settings From The Nova Ii Screen

  6.2 Selecting Settings from the Nova II Screen The Nova II can conveniently be set to various chosen parameters from the screen. In addition, it can be set to startup defaults so it will be in the desired…

• Page 67
  PE05 10235 Range: 20mJ Menu: Energy Laser: 532 Average: 1 sec Threshold: 3% 12.34 142.37Hz TRIG 20mJ Power Help 50s Figure 6.1 Pyroelectric Energy Screen 6.2.1. Setting up the sensor to display the user’s chosen wavelengths. The absorption of the detector coating varies somewhat with wavelength.
• Page 68
  As was mentioned before, the Ophir pyroelectric sensors can measure long as well as short pulses. In order to operate properly, the Nova II must be set to a maximum pulse width setting longer than the actual laser pulse width. Therefore the pulse width should be set to the shortest pulse width longer than the actual laser pulse width.
• Page 69
  6.2.2.2. Setup for the Time Period to Average Over The Nova II has the ability to measure a number of pulses and display the average value of the energy of the pulses. This function is useful if the laser energy is not stable.

• Page 70: Startup And Configuration Of Defaults

  “save”. 6.3 Startup and Configuration of Defaults If you are planning to do repetitive measurements most of the time, you can set up the Nova II so that it automatically goes into the measurement mode you want upon startup.

• Page 71
  8. Now press “save” if you want this to be the startup default and press “exit”. 9. Switch the Nova II off then on by means of the on/off/backlight switch. (See Figure 3.1). The Nova II will enter the mode of operation last…

• Page 72: Energy, Power Or Exposure Measurement

  There is a slight variation of pyroelectric reading from meter to meter. Therefore, for most accurate pyroelectric energy measurements it is necessary to zero the pyroelectric sensor against the Nova II meter it will be used with. After this is done, the…

• Page 73
  “conditioned” to work with the particular Nova II the zeroing was done against. It is not necessary to do this procedure again unless the Nova II is used with a different sensor. If the procedure is not done, errors of 2% or so can occur. To zero the sensor…
• Page 74
  If an averaging period is selected, the Nova II will collect pulses at up to 180Hz and will then display the average of those pulses. When a new pulse triggers the Nova II, “TRIG” will appear on the screen.
• Page 75
  “save” before pressing “enter”. 6.4.2. Measuring Total Energy Exposure. The Nova II has the ability to sum the total energy of a number of pulses over a given time period or number of pulses. This gives the total energy «exposure» over that time period.
• Page 76
  Reset Help Figure 6.2. Exposure Screen 3. Press “start”. The Nova II will start summing laser energy exposure. When you wish to stop measuring, press «stop» or wait for measurement to reach the “timeout» or the ”pulses” selected in the setup screen.
• Page 77
  1.33. The screen will also show in small digits the energy at which the normalization was done and the present energy To use the Nova II to normalize the energy: 1. From the main measurement screen, enter “menu” and select “normalize”.

• Page 78: Measuring Repeating Pulses Of High Energy

  3. Ophir has three sensors specifically designed for high energy density pulses. They are the PE50HD sensors with high damage threshold, the PE50-DIF model pyroelectric sensors with a diffuser and the RP thermal/photodiode sensors.

• Page 79
  In order to log data or transmit it to PC at rates >1000Hz, you must be in turbo mode. This will put you into a special mode where the Nova II can handle data at high speed while curtailing other functions. To log in…

• Page 80: Pyro Scope Adapter

  Activate the scope adapter as follows: 1. Plug the adapter into the Nova II meter and then plug the sensor plug into the adapter. Plug the BNC connector into a standard 1M scope input.

• Page 81
  5. Press “OK” and “OUT” will appear on the main power / energy screen. Make sure to remove the diffuser from the sensor. 6. Press “laser” and select the correct wavelength. Note that only wavelengths compatible with the diffuser setting are visible. (All wavelengths for diffuser “IN”…

• Page 82: Chapter 7. Beamtrack Features

  This chapter describes the Nova II’s position and size measurement functionality. For a full description of Thermopile functionality see…

• Page 83: Menu Screen

  7.2 Menu Screen To access the various other BeamTrack features, go to the Menu screen from the main Track Screen. Figure 7.2 BeamTrack Menu Screen 7.3 Stability Screen This screen tracks the position of the laser beam over time. This is useful for users that want to measure the pointing stability of their laser.

• Page 84: Statistics Screen

  7.5 Optimizing Measurements 7.5.1. Zeroing. When a BeamTrack sensor is attached, the zeroing function of the Nova II will zero the BeamTrack’s measurement circuitry as well. 7.5.2. Line Frequency. In order to filter out noise that may be introduced to the…

• Page 85
  Configuration Screen, set Line Frequency to 50Hz or 60Hz, depending on the country you’re in. Figure 7.5 Configuration Screen…

• Page 86: Chapter 8. Crcuit Description

  Chapter 8. Circuit Description The NOVA II has two circuit boards: the lower board with analog circuit, digital processor and its support circuit, and power supplies; and the upper board with LCD and its driver. Analog Circuit: The signal from the detector sensor enters the analog circuit and passes through EMI protection components to a differential trans-impedance preamplifier.

• Page 87
  amounts of logged data permanently, even when the instrument is turned off. (See section 4.4.2.6.1 on data storage). The digital processor receives data from the A/D converter and translates it into a measurement of current in Amps. When used with thermopile sensors, the data is then processed by a sophisticated digital filter that speeds up the effective response time of the sensor and rejects noise.

• Page 88: Chapter 9. Calibration, Maintenance And Troubleshooting

  9.1 Calibration of Thermopile or RP Sensors 9.1.1. Absorber types and Method of Calibration of Ophir Power Meters 9.1.1.1. Types of Ophir Laser Absorbers Two types of absorber surface are used in Ophir thermal measuring sensors. 1. Surface Absorbers: BB (broadband) absorber…

• Page 89
  lasers. It is calibrated for the spectral range 250 – 2200nm with some sensors also being calibrated for 2940nm. 2. Volume absorbers: P (pulse) type absorber The models with the P suffix, for use with pulsed lasers, have a special absorbing glass with an absorbance of 95+2% over the operating range.
• Page 90
  The linearity of most Ophir thermal detectors is specified to be 1% over the specified power range of each particular instrument and is tested by Ophir from time to time. The linearity is generally tested against another sensor that has been NIST tested for linearity.
• Page 91
  Absorption vs. Wavelength of Various Pyroelectric Sensor Absorbers 9.1.2.2. Method of Calibration The absorption of the various Ophir thermal absorbers can vary from disc to disc. Therefore, all Ophir absorbers are individually calibrated against NIST traceable standards. 9.1.2.3. Total Accuracy of Calibration…

• Page 92: Calibration Of Photodiode Type Sensors

  These filters also have a transmission that depends on wavelength. Therefore, when the PD300 is being used with the Nova II, the Nova II has a built in calibration adjustment for wavelength which is described in the next paragraph.

• Page 93
  EEROM and this information is used to set the gain to the proper value at wavelengths other than the wavelength the instrument was calibrated. When the user selects his wavelength on the Nova II, the correction factor for that wavelength is applied. 9.2.2. Accuracy of Calibration Since the instruments are calibrated against NIST standards, the accuracy is generally ±2% at the…

• Page 94: Calibration Of Pyroelectric Type Sensors

  Note: More exact specifications will be found in the latest Ophir Laser Measurement Instruments Catalog. 9.2.3. Recalibration at a specific wavelength from a Known Source of Laser Power 1. From the main measurement screen select “menu” and enter. Select “calibrate” and enter.

• Page 95
  PD300 power sensors and therefore the sensors have a high accuracy at any wavelength in the range. This is an exclusive feature with Ophir energy sensors. Absorption(%) vs. Wavelength (µm) BB — Broadband Metallic Coating Graph 3.
• Page 96
  9.3.2. Calibration The sensitivity of the various Ophir pyroelectric sensors can vary from one to another as well as with wavelengths. Therefore, Ophir pyroelectric detectors are individually calibrated against NIST traceable standards. In addition, there is a wavelength sensitivity correction curve in the Meter.
• Page 97
  The exact accuracy of each type of sensor is specified in the latest edition of the Ophir catalog. For more details on calibration accuracy, see the Ophir website at http://www.ophiropt.com/laser-…

• Page 98: Error Messages

  Low Battery: When the battery is almost discharged, the Battery icon will have only 1 segment left. This means the battery is ¾ empty. At this stage, the Nova II should be connected to the charger. It will operate normally and charge slowly while connected to the charger.

• Page 99: Troubleshooting

  Nova II alone. turned off for 18-21 hours. If the Nova II still doesn’t work with battery, then the NiMH battery is probably dead. Replace battery (see section 9.6.1.4). 9.5.2. Thermal Sensors, Energy Measurements…

• Page 100: Maintenance

  2. Move sensor/display further away from EMI. 9.6 Maintenance 9.6.1. Battery Replacement If the Nova II battery is defective and does not hold a charge, a replacement can be ordered from your agent (Ophir part number 7E14007). The new battery is installed as follows: 1.

• Page 101: Chapter 10. Nova Ii Specifications

  Chapter 10. Nova II Specifications 10.1 System/Meter Specifications Input Specifications Thermal, Photodiode Input Ranges 15nA — 1.5mA full scale in 16 ranges A to D Sampling rate 15Hz A to D resolution and linearity Resolution: 23 bits plus sign. (0.00001%);…

• Page 102: Sensor Specifications

  10.2 Sensor Specifications Sensor Max Avg. Absorber Power Power Type (WATTS) Density at Max Power PD300/UV/IR 300mW 50W/cm² PD300-3W 100W/cm² 3A-IS 200W/cm² Int Sph PD 1000W/cm² 3A-P 50W/cm² 3A-FS 200W/cm² 28KW/cm² 25KW/cm² 12A-P 50W/cm² 20C-SH 4(20)W 23KW/cm² 30A-BB-18 20KW/cm² 30A-P-17 50W/cm²…

• Page 103
  BF — very high damage threshold, long pulses FS — Fused silica window close to detector for divergent beams Note: For more detailed and exact specifications, see the latest Ophir Laser Measurement Instruments Catalog. Absorber Max Energy Density J/cm² Type…
• Page 104
  6.4.1.2. In chapter 9 added PF took out HL, clarified linearity and redid «Total Accuracy of Calibration» section. Corrected «head» to «sensor». Rev 2.19-2/22.03.12/be new Ophir-Newport logo Rev 2.37-1/09.1.14/ykp+bae BeamTrack Statistics Screen and Analog Hold/Release. Also corrected chapter 9 (Calibration, Maintenance and Troubleshooting) , charging info, power table and PD300 table, updated tables 1,2 &…

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Check out my DIY Cuticle Oil here. 

PRICE & QUANTITY: Rs. 60/- (approximately)

SHELF LIFE: 2 years

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PRODUCT DESCRIPTION: The unique natural revitalizing complex blend of peach extract, mango extract, calcium, safflower oil and vitamins to nourish, moisturize and protects the cuticles and nails. Panthenol (Vitamin B-5) penetrate the nail surface and carry calcium vitamins and nutrients to the nail matrix. This patented carrying complex is a sure way to get these important ingredients and nutrients directly to the nail matrix.

INGREDIENTS: In the image below:

HOW TO USE: Brush on your cuticle lightly and massage gently 3-4 times a week. You’ll achieve longer, stronger and beautiful natural nails.

MY EXPERIENCE:

O.P.I Revitalizer Oil comes in standard cardboard packaging.  When you open the cardboard packaging, you will see a clear transparent pen. Here, you can easily see the product in the transparent packaging.

When you remove the plastic cap, you must rotate the retractable pen to disperse the product through the ends of the brush applicator.

The product is travel friendly too! The texture of the oil is smooth and is budget friendly as well. 

ROSE OIL: It has a beautiful fragrance of fresh roses. You require very little amount of the oil while applying on your cuticles and nails. The fragrance lasts for long and hydrates your nails beautifully.

LAVENDER OIL: I’m a big fan of this fragrance. The beautiful fragrance of lavender calms your senses and nourishes your nails at the same time.

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PROS:

Travel friendly
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Usage
Easily available
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CONS:

None

RATING: 5/5

O.P.I Cuticle Revitalizer Oil is one the best available cuticle oils. Cuticle oil is the key to natural, beautiful and strong nails.

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Have you tried O.P.I Cuticle Revitalizer Oil? Do share your views and experiences in the comments below.

As always thank you so much for taking out time and reading my blog.

Always keep smiling, it makes you look beautiful!

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