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Proceedings Article

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

[+] Author Affiliations
Lichao Shi, Wei Zhang, Jie Jin, Yidong Huang, Jiangde Peng

Tsinghua Univ. (China)

Proc. SPIE 7990, Optical Sensors and Biophotonics II, 799008 (December 26, 2010); doi:10.1117/12.888468
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From Conference Volume 7990

  • Optical Sensors and Biophotonics II
  • Qingming Luo; Frank Chuang; Stefan Haacke; Chih-Chung Yang
  • Shanghai, China | December 08, 2010

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.

© (2010) COPYRIGHT SPIE--The International Society for Optical Engineering. Downloading of the abstract is permitted for personal use only.
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 (December 26, 2010); doi:10.1117/12.888468; http://dx.doi.org/10.1117/12.888468


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