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Proceedings Paper

An FBG sensor for strain and temperature discrimination at cryogenic regime
Author(s): D. Sengupta; M. Sai Shankar; P. Kishore; P. Saidi Reddy; R. L. N. Sai Prasad; P. Vengal Rao; K. Srimannarayana
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Paper Abstract

A simple technique to discriminate the Strain and Temperature with a single Fiber Bragg Grating (FBG) at cryogenic regime is presented in this paper. An uniform FBG is divided into two parts, one half is without coating (FBG1) and other half is coated with Cyno-Acrylic Adhesive (FBG2). The measured temperature and strain sensitivities of the FBG1 are 4.05x10-6/K and 2.13x10-6/με and FBG2 are 1.39x10-5/K and 1.72x10-6/με respectively.

Paper Details

Date Published: 29 November 2011
PDF: 5 pages
Proc. SPIE 8311, Optical Sensors and Biophotonics III, 831106 (29 November 2011); doi: 10.1117/12.905689
Show Author Affiliations
D. Sengupta, National Institute of Technology, Waranagal (India)
M. Sai Shankar, National Institute of Technology, Waranagal (India)
P. Kishore, National Institute of Technology, Waranagal (India)
P. Saidi Reddy, National Institute of Technology, Waranagal (India)
R. L. N. Sai Prasad, National Institute of Technology, Waranagal (India)
P. Vengal Rao, National Institute of Technology, Waranagal (India)
K. Srimannarayana, National Institute of Technology, Waranagal (India)


Published in SPIE Proceedings Vol. 8311:
Optical Sensors and Biophotonics III
Jürgen Popp, Editor(s)

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