Multi-point, fiber-optic gas detection with intra-cavity spectroscopy

被引：35
|
作者：
Zhang, Y [1 ]
Zhang, M [1 ]
Jin, W [1 ]
机构：
[1] Hong Kong Polytech Univ, Dept Elect Engn, Kowloon, Hong Kong, Peoples R China
来源：
OPTICS COMMUNICATIONS | 2003年 / 220卷 / 4-6期
关键词：
fiber sensors; multiplexing; intra-cavity spectroscopy;
D O I：
10.1016/S0030-4018(03)01421-4
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
A novel intra-cavity fiber laser system is demonstrated for multi-point gas detection. The laser uses fiber Bragg gratings as wavelength-selective cavity mirrors and a tunable filter to tune the operating wavelength to the Bragg wavelength of a selected Bragg grating. The Bragg wavelengths of the gratings are chosen to be aligned to different absorption lines of a gas or gases, allowing gas concentrations at multiple locations to be determined. (C) 2003 Published by Elsevier Science B.V.
引用
收藏
页码：361 / 364
页数：4
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