Mechanically-created long period fiber gratings (LPFGs) as sensitive bend sensors

Singh, Nahar and Jain, S.C. and Mishra, Vandana and Poddar, G.C. and Bansal, A.K. and Jindal, V.K. and Bajpai, R.P. (2005) Mechanically-created long period fiber gratings (LPFGs) as sensitive bend sensors. Optical Engineering, 44 (3). 0344031-0344034. ISSN 0091-3286

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Abstract

An application of mechanically created long-period fiber gratings as sensitive bend sensors in structures and other areas is suggested. A resonance splitting of about 10 nm is observed under a maximum bend curvature of 0.4 m–1, producing a bend sensitivity of 25 nm/m–1. The design features of the experimental setup developed for the realization of mechanically created long-period fiber gratings and measurement of their output spectrum under different bend curvatures are discussed

Item Type: Article
Uncontrolled Keywords: diffraction gratings; optical fibre; fibre optic sensors; optical design techniques; optical variable measurement; long-period fibre grating; bend sensors;smart structure
Subjects: CSIO > Photonics Instrumentation
Depositing User: Ms. Narinder Kaur
Date Deposited: 05 Mar 2012 12:19
Last Modified: 10 Apr 2012 17:22
URI: http://csioir.csio.res.in/id/eprint/94

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