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

页码：5 / 8

页数：4

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