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My questions on single photon detector
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- Working principle of single photon detector using APD:
APD working principle;
Electric driver for APD based SPD;
APD materials (Si, InGaAs/InP, Ge; superductor, etc.) and their characteristics; - Key sub-system of APD based SPD:
Electric driver;
How to choose the APD (diode selection);
Cooling system. - How to measure the key characteristic parameters of APD based SPD:
Quantum efficiency;
Dark count rate;
Dead time;
After pulse parameter;
etc. - How to improve the characteristics of APD based SPD:
Quantum efficiency;
Dark count rate;
Dead time;
After pulse parameter;
etc.
https://blog.sciencenet.cn/blog-39241-17601.html
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