Spectrum Estimation by Wavelength Shift Time-Stamping in a Fiber Bragg Grating Sensor

Madhav, Kalaga Venu and Asokan, S (2004) Spectrum Estimation by Wavelength Shift Time-Stamping in a Fiber Bragg Grating Sensor. In: IEEE Photonics Technology Letters, 16 (5). 1355 -1357.

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Abstract

We propose and numerically demonstrate a novel technique for estimating the spectral content of the perturbation on a Fiber Bragg grating (FBG) sensor. The system utilizes an FBG array as a wavelength reference for time-stamping the wavelength shift of the sensor. This technique has demonstrated a good agreement between the actual and estimated spectrum. In addition to having the advantage of selecting the operational window of the sensor, it also gives an absolute measurement of the perturbation.

Item Type:	Journal Article
Publication:	IEEE Photonics Technology Letters
Publisher:	IEEE
Additional Information:	�©1990 IEEE. Personal use of this material is permitted. However, permission to reprint/republish this material for advertising or promotional purposes or for creating new collective works for resale or redistribution to servers or lists, or to reuse any copyrighted component of this work in other works must be obtained from the IEEE.
Keywords:	Fiber Bragg grating (FBG);Optical sensor;spectrum;wavelength detection
Department/Centre:	Division of Physical & Mathematical Sciences > Instrumentation Appiled Physics
Date Deposited:	28 Nov 2005
Last Modified:	19 Sep 2010 04:21
URI:	http://eprints.iisc.ac.in/id/eprint/4210

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