Refractive Index Sensing Based on a Fiber Bragg Grating with Micro-Holes

Abstract:

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A refractive index sensor based on single fiber Bragg grating with multiple micro-holes is proposed. The micro-holes are drilled by use of femtosecond laser micromachining. The key feature of the sensor is that a simultaneous and independent refractive index and temperature sensing measurement can be implemented by simply detecting the grating resonant wavelength shift and its intensity variation, respectively. The refractive index sensitivity obtained is 29.50 dB/RIU (refractive index unit), within the refractive index range between 1.30 and 1.45.

Info:

Periodical:

Edited by:

E. Hristoforou and D.S. Vlachos

Pages:

194-197

DOI:

10.4028/www.scientific.net/KEM.495.194

Citation:

M. W. Yang et al., "Refractive Index Sensing Based on a Fiber Bragg Grating with Micro-Holes", Key Engineering Materials, Vol. 495, pp. 194-197, 2012

Online since:

November 2011

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Price:

$35.00

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