Long distance, distributed gas sensing based on micro-nano fiber evanescent wave quartz-enhanced photoacoustic spectroscopy | Zendy

Ying He | Zendy; Yufei Ma | Zendy; Yao Tong | Zendy; Xin Yu | Zendy; Zhenfang Peng | Zendy; Jing Gao | Zendy; Frank K. Tittel | Zendy

Open Access

Long distance, distributed gas sensing based on micro-nano fiber evanescent wave quartz-enhanced photoacoustic spectroscopy

Author(s) -

Ying He,

Yufei Ma,

Yao Tong,

Xin Yu,

Zhenfang Peng,

Jing Gao,

Frank K. Tittel

Publication year - 2017

Publication title -

applied physics letters

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.182

H-Index - 442

eISSN - 1077-3118

pISSN - 0003-6951

DOI - 10.1063/1.5003121

Subject(s) - photoacoustic spectroscopy , materials science , fiber , photonic crystal fiber , optical fiber , spectroscopy , fiber optic sensor , optoelectronics , optics , laser , physics , quantum mechanics , composite material

A long distance, distributed gas sensing using the micro-nano fiber evanescent wave (FEW) quartz enhanced photoacoustic spectroscopy technique was demonstrated. Such a sensor scheme has the advantages of higher detection sensitivity, distributed gas sensing ability, lower cost, and a simpler fabrication procedure compared to conventional FEW gas sensors using a photonic crystal fiber or a tapered fiber with chemical sputtering. A 3 km single mode fiber with multiple tapers and an erbium doped fiber amplifier with an output optical power of 700 mW were employed to perform long distance, distributed gas measurements.

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