Two-pass gas signal detection system based on fiber loop ring-down cavity

Kaichen Tao; Xiangnong Wu

doi:10.1117/12.2522997

14 February 2019 Two-pass gas signal detection system based on fiber loop ring-down cavity

Kaichen Tao, Xiangnong Wu

Proceedings Volume 11048, 17th International Conference on Optical Communications and Networks (ICOCN2018); 110484T (2019) https://doi.org/10.1117/12.2522997
Event: 17th International Conference on Optical Communications and Networks (ICOCN2018), 2018, Zhuhai, China

Abstract

To solve the problem of poor expansion of the traditional respiratory detection system, a detection system suitable for two-pass gas detection is proposed in this paper. A gas chamber is inserted into a fiber loop ring-down cavity. The key structural parameters, such as cavity length, optical attenuation factor, insertion loss, coupling rate, etc. Are studied. When testing two-pass gas signals simultaneously, the obtained theoretical time interval is 0.935 s. The proposed system can be potentially expanded to more signals.

Citation Download Citation

Kaichen Tao and Xiangnong Wu "Two-pass gas signal detection system based on fiber loop ring-down cavity", Proc. SPIE 11048, 17th International Conference on Optical Communications and Networks (ICOCN2018), 110484T (14 February 2019); https://doi.org/10.1117/12.2522997

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