单光子计数装置提供光子高检测效率、宽动态范围和实用性应用。结合超低噪声硅雪崩光电二极管和其它单光子探测器件，具有专门开发的光学、电路和信号处理电子设备，该模块可以提供单光子所需的检测波段范围为250nm - 1700 nm（根据客户需求定制，可扩展）。对于器件冷却和过压保护，装置有专门的设计。结合超导单光子探测器件，装置可应用于诸多前沿研究。
Major Detect Devices
Si APDs
The avalanche effect of Si APDs makes it ideal for detecting weak optical signals with a wavelength from 250 to 1100nm.
InGaAs APD
InGaAs avalanche photodiodes are used to detect signals in the 1100 ~ 1700 nm spectral range. Its noise is lower than that of the germanium diode and is an alternative choice of Si APDs.
Applications
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Quantum Communication
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Medical Imaging Research
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Lidar
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Astronomy
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Automatic Driving
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Satellite Remote Sensing
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Spectroscopy
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Non-contact Temperature Testing
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Spectrophotometry