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27 November 1996Analysis of the optimum gain of the APD in DART
The paper presents an analysis of the signal to noise ratio of distributed anti-Stokes ratio thermometry (DART) to quantify the effect of varying the gain of the avalanche photodiode (APD). An optimal gain is found based on maximizing the signal to noise ratio of the received circuit output. Good agreement between calculated and measured avalanche gain of APD is obtained.
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Hongzhi Zhao, Naiji Li, Dazun Zhao, "Analysis of the optimum gain of the APD in DART," Proc. SPIE 2838, Distributed and Multiplexed Fiber Optic Sensors VI, (27 November 1996); https://doi.org/10.1117/12.259791