Micromachining of an In-Fiber Extrinsic Fabry-Perot Interferometric (MEFPI) Sensor by Using a Femtosecond Laser

Abstract:

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This paper reports a novel micro extrinsic fiber-optic F-P interferometric (MEFPI) sensor micromachined on a conventional optical fiber (Corning SMF-28) by using a near-infrared femtosecond laser, for the first time to the best of our knowledge. The strain and temperature characteristics of such a sensor were investigated and the experimental results show that the strain and temperature sensitivities are 0.006nm/με and -0.0017nm/°C, respectively. This type of MEFPI sensors has a number of advantages when compared with conventional EFPI sensors, such as easy fabrication, high integration degree, good reliability, low temperature cross-sensitivity, low cost, and capability for mass-production, offering great potential for a wide range of sensing applications.

Info:

Periodical:

Key Engineering Materials (Volumes 364-366)

Edited by:

Guo Fan JIN, Wing Bun LEE, Chi Fai CHEUNG and Suet TO

Pages:

1203-1206

DOI:

10.4028/www.scientific.net/KEM.364-366.1203

Citation:

Y. J. Rao et al., "Micromachining of an In-Fiber Extrinsic Fabry-Perot Interferometric (MEFPI) Sensor by Using a Femtosecond Laser", Key Engineering Materials, Vols. 364-366, pp. 1203-1206, 2008

Online since:

December 2007

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$35.00

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