Impact analysis of particulate loss on folded mirror surface in folded cavity ring-down spectrometer

Xiaobao Zhang; Hui Luo; Zhongqi Tan; Yun Huang; Jianping Liu

doi:10.1117/12.2199863

8 October 2015 Impact analysis of particulate loss on folded mirror surface in folded cavity ring-down spectrometer

Xiaobao Zhang, Hui Luo, Zhongqi Tan, Yun Huang, Jianping Liu

Proceedings Volume 9677, AOPC 2015: Optical Test, Measurement, and Equipment; 96771U (2015) https://doi.org/10.1117/12.2199863
Event: Applied Optics and Photonics China (AOPC2015), 2015, Beijing, China

Abstract

Cavity ring-down spectroscopy is a new type of high sensitive spectroscopy emerging in recent years. It can be subdivided into straight cavity, folding cavity and ring cavity ring-down spectroscopy by the structure of the optical resonator. In folded cavity ring-down spectrometer, the folded mirror surface may be polluted for various reasons. Different from straight cavity mirror, ring cavity mirror and folded cavity end mirror, there are two symmetrical beams incidence on the surface of folded mirror. So the performance of folded cavity in this case appears new characteristics, the most concerned one is that the scattering fields will produce an interference effect when two beams irradiate on the particulate. Embarking from the scattering theory and combining with the analysis of the light field in the resonator, this paper qualitatively analyzes the influence of the particulate loss on the performance of folded cavity ring-down spectrometer. These works have a guiding significance for the study of folded cavity ring-down spectroscopy and can improve its system performance.

Citation Download Citation

Xiaobao Zhang, Hui Luo, Zhongqi Tan, Yun Huang, and Jianping Liu "Impact analysis of particulate loss on folded mirror surface in folded cavity ring-down spectrometer", Proc. SPIE 9677, AOPC 2015: Optical Test, Measurement, and Equipment, 96771U (8 October 2015); https://doi.org/10.1117/12.2199863

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