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Proceedings Paper

Femtosecond laser induced microfiber Bragg grating for refractive index sensing
Author(s): C. R. Liao; X. Fang; D. N. Wang
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Paper Abstract

Fiber Bragg grating (FBG) is fabricated in the microfiber by use of femtosecond laser pulse irradiation. Such a grating can be directly exposed to the surrounding medium without etching or thinning treatment of the fiber, thus possessing high refractive index sensitivity while maintaining superior reliability. The FBG was successfully inscribed on the tapered fiber with diameters ringing from 2 to 10 μm. Such a grating has high potential in various types of optical fiber sensor applications.

Paper Details

Date Published: 8 September 2010
PDF: 4 pages
Proc. SPIE 7653, Fourth European Workshop on Optical Fibre Sensors, 76531Z (8 September 2010); doi: 10.1117/12.865691
Show Author Affiliations
C. R. Liao, The Hong Kong Polytechnic Univ. (Hong Kong, China)
X. Fang, The Hong Kong Polytechnic Univ. (Hong Kong, China)
D. N. Wang, The Hong Kong Polytechnic Univ. (Hong Kong, China)


Published in SPIE Proceedings Vol. 7653:
Fourth European Workshop on Optical Fibre Sensors
José Luís Santos; Brian Culshaw; José Miguel López-Higuera; William N. MacPherson, Editor(s)

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