@inproceedings{3333d2c877a94c359f1287c7ed5f0f78,
title = "High sensitivity gas detection with microstructured optical fibres",
abstract = "We report recent development in laser spectroscopic gas sensing with microstructured hollow-core optical fibres and sub-wavelength-diameter optical nanofibers. The spectroscopic methods employed are photothermal spectroscopy for gases with strong absorption and stimulated Raman gain/dispersion spectroscopy for Raman-active gases. Compared with open-path systems, the use of microstructured optical fibres as sensing elements enables compact all-fibre systems with high performance. With photothermal interferometry, parts-per-billion (ppb) to parts-per-trillion (ppt) level detection of acetylene, methane and ammonia are demonstrated with dynamic range up to seven orders of magnitude. With stimulated Raman spectroscopy, parts-per-million (ppm) level detection of hydrogen is achieved with dynamic range of five orders of magnitude.",
keywords = "Gas detection, Hollow-core optical fibre, Laser spectroscopy, Microstructured optical fibre, Optical fibre sensor, Optical nanofibre",
author = "Wei Jin and Haihong Bao and Pengcheng Zhao and Yun Qi and Ho, {Hoi Lut}",
note = "Publisher Copyright: {\textcopyright} 2020 IEEE.; 22nd International Conference on Transparent Optical Networks, ICTON 2020 ; Conference date: 19-07-2020 Through 23-07-2020",
year = "2020",
month = jul,
doi = "10.1109/ICTON51198.2020.9203033",
language = "English",
series = "International Conference on Transparent Optical Networks",
publisher = "IEEE Computer Society",
booktitle = "2020 22nd International Conference on Transparent Optical Networks, ICTON 2020",
address = "United States",
}