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A mode-locked fibre laser system for multi-point intra-cavity gas spectroscopy

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4 Author(s)
Stewart, G. ; Dept. of Electron. & Electr. Eng., Strathclyde Univ., Glasgow, UK ; Hongbo Yu ; Whitenett, G. ; Culshaw, B.

We have described a new way of realising a multi-point, multi-gas sensor system based on a mode-locked fibre laser with potential application for trace gas detection in environmental and safety monitoring. Although based specifically on erbium-fibre lasers, the principles could be extended to other laser types, for example, Tm/sup 3+/ fiber lasers in silica glass or the use of semiconductor optical amplifiers which are commercially available for the 1300-1600 nm region, extending the range of gas sensors possible. Preliminary experiments have been conducted to test the principles and research is currently in progress to demonstrate a fully multiplexed system.

Published in:

Optical Fiber Sensors Conference Technical Digest, 2002. Ofs 2002, 15th

Date of Conference:

10-10 May 2002