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10 May 2023 Fitting of cavity decay rate in cavity ring-down system with definite systemic response time
Xing He, Zhongzhou Tian, Shuai Wang, Ping Yang
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Proceedings Volume 12554, AOPC 2022: Advanced Laser Technology and Applications; 125540T (2023) https://doi.org/10.1117/12.2651504
Event: Applied Optics and Photonics China 2022 (AOPC2022), 2022, Beijing, China
Abstract
For the accurate fitting of cavity decay rate in cavity ring-down technique, the theoretical fitting bias of the weighted least square algorithm for decay signal modulated by definite systemic response time is analyzed and tested. After proper data-point truncation, the finely precise and highly accurate fitting of cavity decay rate can be achieved simultaneously. This method is tested by experimental decay signals, results in better fitting performance than the nonlinear least square fitting (the Levenberg-Marquardt) algorithm.
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Xing He, Zhongzhou Tian, Shuai Wang, and Ping Yang "Fitting of cavity decay rate in cavity ring-down system with definite systemic response time", Proc. SPIE 12554, AOPC 2022: Advanced Laser Technology and Applications, 125540T (10 May 2023); https://doi.org/10.1117/12.2651504
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KEYWORDS
Signal processing
Reflectivity
Signal to noise ratio
Signal analyzers
Statistical analysis
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