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Proceedings Paper

Interferometric fiber Bragg grating shift demodulation
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Paper Abstract

In this paper we present a fiber Bragg grating shift demodulator with changeable resolution based on an unbalanced fiber Mach–Zehnder interferometer. Preliminary research proves phase sensitivity to Bragg wavelength changes of 6,83 rad/mε. Phase sensitivity can be modified by changing the optical path difference witch is only limited by the coherence length of light reflected by the fiber Bragg grating. This solution can be used as a single sensor or as a part of a more complex system.

Paper Details

Date Published: 28 September 2015
PDF: 4 pages
Proc. SPIE 9634, 24th International Conference on Optical Fibre Sensors, 96347O (28 September 2015); doi: 10.1117/12.2194883
Show Author Affiliations
Karol Stepien, InPhoTech, Ltd. (Poland)
Military Univ. of Technology (Poland)
Michalina Jóźwik, InPhoTech, Ltd. (Poland)
Tomasz Nasilowski, InPhoTech, Ltd. (Poland)


Published in SPIE Proceedings Vol. 9634:
24th International Conference on Optical Fibre Sensors
Hypolito José Kalinowski; José Luís Fabris; Wojtek J. Bock, Editor(s)

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