Hollow-core Bragg fiber and its application in trace gas sensing

Lichao Shi; Wei Zhang; Jie Jin; Yidong Huang; Jiangde Peng

doi:10.1117/12.888468

3 January 2011 Hollow-core Bragg fiber and its application in trace gas sensing

Lichao Shi, Wei Zhang, Jie Jin, Yidong Huang, Jiangde Peng

Proceedings Volume 7990, Optical Sensors and Biophotonics II; 799008 (2011) https://doi.org/10.1117/12.888468
Event: Asia Communications and Photonics Conference and Exhibition, 2010, Shanghai, Shanghai, China

Abstract

A hollow-core Bragg fiber with the fundamental photonic crystal bandgap around 3000 cm^-1 was fabricated and injected with methane/nitrogen mixed gas with 0.5% methane concentration. A very sharp absorption line of methane gas around 3000 cm^-1 within the transmission band of hollow-core Bragg fiber was observed using the Fourier transform infrared spectroscopy, which demonstrated that hollow-core Bragg fiber can be used as a mid-infrared waveguide and minimized gas cell simultaneously, showing great potential in trace gas sensing.

Citation Download Citation

Lichao Shi, Wei Zhang, Jie Jin, Yidong Huang, and Jiangde Peng "Hollow-core Bragg fiber and its application in trace gas sensing", Proc. SPIE 7990, Optical Sensors and Biophotonics II, 799008 (3 January 2011); https://doi.org/10.1117/12.888468

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