Water-vapor measurement via cavity ring down spectroscopy in the visible

Fuge Sun; Dongxu Dai; Lu Kang; Guohea Sha; JinChun Xie; Bailing Yang; Fengting Sang; Qi Zhuang; Cunhao Zhang

doi:10.1117/12.308069

12 May 1998 Water-vapor measurement via cavity ring down spectroscopy in the visible

Fuge Sun, Dongxu Dai, Lu Kang, Guohea Sha, JinChun Xie, Bailing Yang, Fengting Sang, Qi Zhuang, Cunhao Zhang

Proceedings Volume 3268, Gas and Chemical Lasers and Intense Beam Applications; (1998) https://doi.org/10.1117/12.308069
Event: Optoelectronics and High-Power Lasers and Applications, 1998, San Jose, CA, United States

Abstract

Using cavity ring down spectroscopy, we recorded high resolution spectra of water overtones in the visible region. While the system is simple, experimental results have shown that the detection sensitivity is better than 2 X 10^-8 cm^-1. We have also studied the effects of cavity mirror reflectivity and cavity length on the detection sensitivity. The observed spectrum agrees well with the standard reference spectrum. Thus, this highly sensitive, quantitative, and widely applicable absorption spectroscopy technique proves to be capable of water vapor measurement, especially in Chemical Oxygen Iodine Laser.

Citation Download Citation

Fuge Sun, Dongxu Dai, Lu Kang, Guohea Sha, JinChun Xie, Bailing Yang, Fengting Sang, Qi Zhuang, and Cunhao Zhang "Water-vapor measurement via cavity ring down spectroscopy in the visible", Proc. SPIE 3268, Gas and Chemical Lasers and Intense Beam Applications, (12 May 1998); https://doi.org/10.1117/12.308069

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