Pressure sensing utilizing linear cavity erbium-doped fiber laser

被引：9
作者：
Idris, S. M. [1 ]
Abdullah, F. [1 ]
Al-Mansoori, M. H. [1 ]
Jamaludin, M. Z. [1 ]
Din, N. M. [1 ]
机构：
[1] Univ Tenaga Nas, Coll Engn, Ctr Commun Serv Convergence Technol, Dept Elect & Commun Engn, Kajang 43009, Selangor, Malaysia
来源：
LASER PHYSICS | 2010年 / 20卷 / 04期
关键词：
RING LASER; SENSOR SYSTEM; SAGNAC LOOP; TEMPERATURE;
D O I：
10.1134/S1054660X10070133
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
In this paper, we report a fiber laser pressure sensor based on linear cavity erbium-doped fiber laser. The fiber laser structure comprises of an erbium-doped fiber amplifier, a circulator, an optical coupler and a fiber Bragg grating (FBG) which acts simultaneously as a lasing wavelength selecting components as well as a pressure sensor. The FBG is fitted to the shock tube where the pressure is applied. The fiber laser pressure sensor has a low threshold power of 7 mW, an output power of 2.28 mW and an optical signal to noise ratio over 55 dB. The proposed fiber laser sensor is expected to be an attractive choice for long-distance pressure monitoring.
引用
收藏
页码：855 / 858
页数：4
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