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Summary of Contents for MKS Ophir FPD-IG-175
- Page 1 Fast Photodiode Detectors Fasr Photodiode Detectors FPD-IG-175, FPD-UV-3000, FPD-VIS-300 Temporal Sensors User Manual Ophir Optronics Solutions Ltd. www.ophiropt.com/photonics...
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Page 2: Table Of Contents
Ophir Fast Photodiode Detector User’s Manual Thank you for purchasing your Fast Photodiode Detector from Ophir. This user’s manual will help answer any questions you may have regarding the safe use and optimal operation of your Fast Photodiode Detector. Table of Contents Fast Photodiode Detector Overview ......................... -
Page 3: Operation Of Your Ophir Fast Photodiode Detector
II. Operation of your Ophir Fast Photodiode Detector A. Caution: Eye safety precautions must be followed with any equipment used in the vicinity of laser beams. Laser beams may reflect from the surface of the detector or the optical mount and caution must be exercised. -
Page 4: Accessories
IV. Accessories The following types of accessories are available for use with Ophir Fast Photodiode Detectors: 1. Fiber optic cable connectors 2. Adapters for attachment to IS6 integrating spheres 3. ND filters for attenuating the laser signal level Fiber Adapters SC type 7Z08227 ST type... - Page 5 B. A signal has been detected previously obtained, but is currently lost. 1. Try steps listed under A. 2. Inspect the active area of the photodiode for any signs of damage. 3. Try a higher input termination on the oscilloscope, but remember to return to 50Ω if this does not work.
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Page 6: Specifications: Fast Photodiode Detectors
VI. Specifications: Fast Photodiode Detectors Model FPD-UV-3000 FPD-VIS-300 FPD-IG-175 Detector Type UV-Si InGaAs Rise Time/Fall Time nsec <0.3 <0.175 Spectral Range nm (see graph below) 193-1100 320-1100 900-1700 Active Area Diameter mm 2.55 Detector Area mm 5.11 0.13 0.0079 Wavelength of Peak Sensitivity nm 1600 Responsivity at Peak Wavelength A/W 0.58... -
Page 7: Drawings: Fast Photodiode Detectors
VII. Drawings: Fast Photodiode Detectors FPD-IG-175, FPD-UV-3000, FPD-VIS-300 User Manual... -
Page 8: Schematic: Fast Photodiode Detectors
VIII. Schematic: Fast Photodiode Detectors IX. Glossary of Terms Bandwidth: The range of frequencies from 0 Hz (DC) to the frequency at which the responsivity decreases by 3dB. Bandwidth and rise time can be approximately related by the equation: Bandwidth ≈ 0.35/rise time for a Gaussian pulse input. Bias Voltage: The photodiode’s junction capacitance can be modified by applying a reverse voltage. - Page 9 Noise Equivalent Power (NEP): NEP refers to the amount of optical input power that would generate an electric signal that is equal in magnitude to the electrical noise (in the dark). It is a function of the device responsivity and the dark current. Shot noise (I ) is a source of noise generated by current;...
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