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Conferences > FiO > 2019 > JTu4A > JTu4A.82

A Highly Sensitive Trace Gas Sensor Based on Retro-reflection-cavity-enhanced Photoacoustic Spectroscopy

Shunda Qiao, Yufei Ma, Ying He, Yu Li, Zhonghua Zhang, and Frank K. Tittel

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Abstract

A retro-reflection-cavity-enhanced photoacoustic spectroscopy based gas sensor with high sensitivity was demonstrated. Acetylene was chosen as the target gas. A minimum detection limit of 600 ppt was achieved with a fiber amplified diode laser.

© 2019 The Author(s)

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