DocumentCode
2248946
Title
An FBG sensor for strain and temperature discrimination at cryogenic regime
Author
Sengupta, D. ; Shankar, M. Sai ; Kishore, P. ; Reddy, P. Saidi ; Prasad, R. L N Sai ; Rao, P. Vengal ; Srimannarayana, K.
Author_Institution
Dept. of Phys., Nat. Inst. of Technol., Warangal, India
fYear
2011
fDate
13-16 Nov. 2011
Firstpage
1
Lastpage
5
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 4.05×10-6/K and 2.13×10-6/με and FBG2 are 1.39×10-5/K and 1.72×10-6/με respectively.
Keywords
Bragg gratings; antireflection coatings; cryogenics; fibre optic sensors; strain measurement; temperature measurement; FBG sensor; cryogenic regime; cyno-acrylic adhesive coatings; single fiber Bragg grating; strain discrimination; strain sensitivity measurement; temperature discrimination; temperature sensitivity measurement; Abstracts; Coils; Cryogenics; Heating; Optical sensors; FBG; coating; cryogenic; strain temperature discrimination;
fLanguage
English
Publisher
ieee
Conference_Titel
Communications and Photonics Conference and Exhibition, 2011. ACP. Asia
Conference_Location
Shanghai
ISSN
2162-108X
Print_ISBN
978-0-8194-8961-6
Type
conf
DOI
10.1117/12.905689
Filename
6210896
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