APD20 Series Avalanche Photodetector, FC Interface, SMA Output, High Gain, Ultra Weak Laser Detection, 20M-400MHz Bandwidth.
Avalanche Photodetector (APD) Module is a highly sensitive detector with a high gain, low noise, and temperature compensation feature. It features fiber-optic coupled input and analog signal output with a bandwidth range of 20M-400M. The module is ideal for applications such as weak light detection and fiber optic sensing systems.
M-factor temperature compensation
APD overcurrent protection
Low noise and high gain
All metal shell, excellent shielding performance
M6 threaded hole for easy installation
Detects ultra-weak light signals
Detect fast laser pulses
DVS/DAS/DTS
OTDR
Fiber optic sensing system
Fiber Optic Communications & Fiber Optic Sensing
APD20-400M | APD20-200M | APD20-50M | APD20-10M | |
---|---|---|---|---|
material | InGaAs | InGaAs | InGaAs | InGaAs |
Wavelength Range | 1000-1700nm | 1000-1700nm | 1000-1700nm | 1000-1700nm |
Optical Input | FC/APC | FC/APC | FC/APC | FC/APC |
Responsiveness | 18A/W @ 1550nm (M = 20) | 18A/W @ 1550nm (M = 20) | 18A/W @ 1550nm (M = 20) | 18A/W @ 1550nm (M = 20) |
Bandwidth | DC-400MHz | DC-200MHz | DC-50MHz | DC-10MHz |
Rise Time | 0.9ns | 1.8ns | 9ns | 36ns |
Conversion Gain(Max)@HiZ | 1.8x105 V/W | 4.0x105 V/W | 2.0x105 V/W | 9.8x106 V/W |
Minimum optical power@1550nm | 40nW(RMS) | 21nW(RMS) | 5.5nW(RMS) | 2.3nW(RMS) |
Saturated optical power @1550nm | 16.7uW | 7.5uW | 1.5uW | 0.3uW |
Operating voltage | 9 - 12VDC | 9 - 12VDC | 9 - 12VDC | 9 - 12VDC |
Operating current | <200mA | <200mA | <200mA | |
Noise voltage | <18mVpp | <12mVpp | <15mVpp | <18mVpp |
Output connector | SMA | SMA | SMA | SMA |
Output impedance | 50Ω | 50Ω | 50Ω | SMA |
Output coupling mode | DC | DC | DC | DC |
Maximum output amplitude@HiZ | 3V | 3V | 3V | 3V |
Operating temperature | -20~65℃ | -20~65℃ | -20~65℃ | -20~65℃ |
Storage temperature | -40~85℃ | -40~85℃ | -40~85℃ | -40~85℃ |
Dimensions | 82.5 mm x 64 mm x 25 mm | 82.5 mm x 64 mm x 25 mm | 82.5 mm x 64 mm x 25 mm | 82.5 mm x 64 mm x 25 mm |