Multipoint Temperature Sensing Using Linear-Cavity Fiber Laser with an EDFA and FBGs

被引：2
|
作者：
Hatanaka, Kengo [1 ]
Kishikawa, Hiroki [1 ]
Goto, Nobuo [1 ]
Fujikata, Junichi [1 ]
Yu, Yi-Lin [2 ]
Liaw, Shien-Kuei [3 ]
Sung, Jiun-Yu [3 ]
机构：
[1] Tokushima Univ, Dept Opt Sci, Tokushima 7708506, Japan
[2] Feng Chia Univ, Dept Elect Engn, Taichung 407802, Taiwan
[3] Natl Taiwan Univ Sci & Technol, Dept Elect Engn, Taipei 10617, Taiwan
来源：
2021 IEEE INTERNATIONAL CONFERENCE ON SENSORS AND NANOTECHNOLOGY (SENNANO) | 2021年
关键词：
optical fiber sensor; multi point; temperature; FBG; EDFA;
D O I：
10.1109/SENNANO51750.2021.9642539
中图分类号：
TB3 [工程材料学];
学科分类号：
0805 ; 080502 ;
摘要：
Optical fiber sensors have been investigated to measure distributed distortion of large buildings, bridges and expressways. We are focusing on a fiber lasing system including sensing elements in the cavity since it has advantages such as higher resolution for wavelength shift and higher signal-to-noise ratio. A multipoint temperature sensor using linear-cavity lasing system consisting of an Erbium-doped fiber amplifier (EDFA), variable optical attenuators, and fiber Bragg grating elements is demonstrated In order to obtain high-power and multi wavelength operation, an EDFA with appropriate power control is employed As a result of two-point temperature measurement experiment, two-wavelength lasing and temperature-dependent wavelength change are observed The sensitivity of 10.5 pm/deg is achieved
引用
收藏
页码：5 / 8
页数：4
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