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Proceedings Paper

3D microstructure of optical fiber based on femtosecond laser and temperature characteristic
Author(s): Qiancheng Zhao; Yutang Dai; Tao Li; Bin Liu; Guanglin Yin
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Paper Abstract

Different novel kinds of 3D microstructure manufactured in the cladding of FBG are proposed. Femtosecond laser and special rotary are used to fabricate microstructure such as single thread, double thread and annulus. The thread pitch is 60μm, 80μm controlled by feed and rotary speed. In addition, a thickness of 300nm copper film is coated in the microgrooves by magnetron sputtering technology. Temperature experiment has also been set up and done. Experiment result shows that the FBG sensor with double thread of 80μm is the most sensitive one responding to temperature change. It is approximately five times higher than the standard FBG sensor .This new type of FBG sensor shows great prospect in temperature sensing.

Paper Details

Date Published: 6 August 2014
PDF: 6 pages
Proc. SPIE 9281, 7th International Symposium on Advanced Optical Manufacturing and Testing Technologies: Advanced Optical Manufacturing Technologies, 92811V (6 August 2014); doi: 10.1117/12.2067987
Show Author Affiliations
Qiancheng Zhao, Wuhan Univ. of Technology (China)
Yutang Dai, Wuhan Univ. of Technology (China)
Tao Li, Wuhan Univ. of Technology (China)
Bin Liu, Wuhan Univ. of Technology (China)
Guanglin Yin, Wuhan Univ. of Technology (China)


Published in SPIE Proceedings Vol. 9281:
7th International Symposium on Advanced Optical Manufacturing and Testing Technologies: Advanced Optical Manufacturing Technologies
Li Yang; Eric Ruch; Shengyi Li, Editor(s)

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