Analysis of the optimum gain of the APD in DART

Hongzhi Zhao; Naiji Li; Dazun Zhao

doi:10.1117/12.259791

27 November 1996 Analysis of the optimum gain of the APD in DART

Hongzhi Zhao, Naiji Li, Dazun Zhao

Proceedings Volume 2838, Distributed and Multiplexed Fiber Optic Sensors VI; (1996) https://doi.org/10.1117/12.259791
Event: SPIE's 1996 International Symposium on Optical Science, Engineering, and Instrumentation, 1996, Denver, CO, United States

Abstract

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.

Citation Download Citation

Hongzhi Zhao, Naiji Li, and 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

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