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A micro-seismic fiber Bragg grating (FBG) sensor system based on a distributed feedback laser

✍ Scribed by Wang, Jin-Yu; Liu, Tong-Yu; Wang, Chang; Liu, Xiao-Hui; Huo, Dian-Heng; Chang, Jun

Book ID
120175438
Publisher
Institute of Physics
Year
2010
Tongue
English
Weight
692 KB
Volume
21
Category
Article
ISSN
0957-0233

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## Abstract A simple fiber‐Bragg‐grating (FBG) sensor system based on a linear‐cavity fiber laser is proposed and experimentally demonstrated. The lasing wavelength shift resulting from the temperature variation on this sensing element is discriminated by two FBGs. These two FBGs, acting as wavelen