This product is a compact near-infrared avalanche photodetector with a core circuit made of domestically produced InGaAs/InP APD with independent intellectual property rights. It has characteristics such as high gain, high sensitivity, and low noise. It can provide a cost-effective solution for near-infrared weak light detection and measurement of short pulse signals, and is widely used in fields such as laser communication and LiDAR.
This product operates in linear mode and integrates a low-noise broadband transimpedance amplifier, achieving a maximum conversion gain of 5.2 x106V/W and supporting gain adjustment; Using temperature compensation circuit to achieve temperature stability control of signal amplification factor. The diameter of the photosensitive surface reaches 200 μm, At a working bandwidth of 10MHz, the noise equivalent power is as low as 0.35nW; Support free space coupling and fiber optic coupling; Meanwhile, the internally integrated strong light injection protection function enables the product to have higher environmental adaptability.
-High gain
-High sensitivity
-Low noise equivalent power
-Strong light injection protection function
-Optional light incidence mode
522KB
TECHNICAL PARAMETER | TECHNICAL INDEX |
Product model | QCD 200A |
Wavelength range | 900nm~1700nm |
Photosensitive surface diameter ª | 200μm |
Maximum gain efficiency @(RL=500) | 5.2×10⁶ V/M |
Maximum output voltage @(RL=500) | 2.1V |
Output bandwidth ᵇ | DC~10MHz |
Noise equivalent power(DC~1MHZ) | |
Total noise power(DC~10MHZ) | 0.35nW |
Optical coupling | Free space coupling /optical |
Output DC bias | < ±25mW |
Input voltage | 12V |
Dimensions | 60mm×56.5mm×22mm |
a : Photosensitive surface size can be customized b : Output bandwidth can be customized |
-LiDAR
-Laser ranging
-Laser communication
-Time city reflection of light
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