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Conferences > OFS > 2018 > FA > FA3

Nano-taper enhanced stimulated Raman gain spectroscopy for high sensitivity hydrogen detection

Yun Qi, Yan Zhao, Haihong Bao, Wei Jin, Hoi Lut Ho, and Haipeng Luo

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Abstract

A novel technique based on stimulated Raman gain spectroscopy with an optical nano-taper is demonstrated. With a 600-nm-diameter and 15-mm-long silica nano-taper, hydrogen detection down to 170 parts-per-million with response time of <10 s is achieved.

© 2018 The Author(s)

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