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Proceedings Paper

Secondary Bragg grating based fiber sensors for the application in high temperature environment
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Paper Abstract

As one of the most proven fiber optic sensors, novel fiber Bragg gratings are continually investigated to extend their roles in extreme environments. In this paper, a newly found “secondary Bragg grating” (SBG) is proposed. The presence of SBG occurs in the case of the type-IIa Bragg grating inscribed in small active fibers, where an additional resonance appears at the shorter wavelength. The SBG provides a variety of interesting characteristics, such as the dip integration, high temperature resistance and high reflectivity, showing promising potential in high temperature sensing.

Paper Details

Date Published: 14 May 2018
PDF: 6 pages
Proc. SPIE 10654, Fiber Optic Sensors and Applications XV, 106540A (14 May 2018); doi: 10.1117/12.2302806
Show Author Affiliations
Yang Ran, Jinan Univ. (China)
Duke Univ. (United States)
Fu-Rong Feng, Jinan Univ. (China)
Long Jin, Jinan Univ. (China)
Bai-Ou Guan, Jinan Univ. (China)

Published in SPIE Proceedings Vol. 10654:
Fiber Optic Sensors and Applications XV
Alexis Mendez; Christopher S. Baldwin; Henry H. Du, Editor(s)

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