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Femtosecond laser inscription of phase-shifted grating by post-processing
Author(s): Xian Zhou; Yutang Dai; Fufei Liu; Joseph Muna Karanja; Meng Zou
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Paper Abstract

The method of fabricating phase-shifted fiber Bragg grating (PSFBG) that does not need a phase mask by femtosecond laser (fs) post-processing is demonstrated. A central region of standard single mode fiber Bragg grating (FBG) is irradiated by fs laser. A rotating jig is designed to hold and rotate the fiber when the fiber is irradiated by laser. The bandwidth of transmission peak of PSFBG and the transmission loss is growing with increasing of laser energy. PSFBG produced by this method is simple, fast and reproducible.

Paper Details

Date Published: 23 April 2017
PDF: 4 pages
Proc. SPIE 10323, 25th International Conference on Optical Fiber Sensors, 103231Q (23 April 2017); doi: 10.1117/12.2257105
Show Author Affiliations
Xian Zhou, Wuhan Univ. of Technology (China)
Yutang Dai, Wuhan Univ. of Technology (China)
Fufei Liu, Wuhan Univ. of Technology (China)
Joseph Muna Karanja, Wuhan Univ. of Technology (China)
Meng Zou, Wuhan Univ. of Technology (China)


Published in SPIE Proceedings Vol. 10323:
25th International Conference on Optical Fiber Sensors
Youngjoo Chung; Wei Jin; Byoungho Lee; John Canning; Kentaro Nakamura; Libo Yuan, Editor(s)

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