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Proceedings Paper

Radiation mode resonances of tilted fiber Bragg gratings for high index media measurement
Author(s): Chengkun Chen; Tuan Guo; Albane Laronche; Jacques Albert
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Paper Abstract

We propose and experimentally demonstrate the feasibility high refractive indices measurement (larger than the fiber cladding index) by using individual radiation mode resonances of tilted fiber Bragg gratings. By tracking a single cladding mode relative to the Bragg resonance, improved sensitivity for refractive index measurement has been achieved and the temperature fluctuations could be eliminated. The maximum index sensitivity is 5×10-4 with a detected power resolution of 0.1dB.

Paper Details

Date Published: 16 May 2008
PDF: 4 pages
Proc. SPIE 7004, 19th International Conference on Optical Fibre Sensors, 700418 (16 May 2008); doi: 10.1117/12.785661
Show Author Affiliations
Chengkun Chen, Carleton Univ. (Canada)
Tuan Guo, Carleton Univ. (Canada)
Albane Laronche, Carleton Univ. (Canada)
Jacques Albert, Carleton Univ. (Canada)

Published in SPIE Proceedings Vol. 7004:
19th International Conference on Optical Fibre Sensors
David Sampson; Stephen Collins; Kyunghwan Oh; Ryozo Yamauchi, Editor(s)

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