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Self-heated optical fiber sensor array for cryogenic fluid level sensing

Chen, T and Maklad, M and Swinehart, PR and Chen, KP (2011) Self-heated optical fiber sensor array for cryogenic fluid level sensing. IEEE Sensors Journal, 11 (4). 1051 - 1052. ISSN 1530-437X

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Abstract

We present an array of aluminum-coated fiber Bragg gratings (FBGs) inscribed in high-attenuation fibers capable of measuring the liquid level in a cryogenic environment. The sensors are heated by the optical energy propagating in fiber core that is absorbed in high-attenuation fibers. Thermal responses of Bragg gratings to liquid nitrogen level at 77 K were observed. Precise control over the light absorption and heated FBG temperatures of individual level sensors using high-attenuation fibers enables multipoint liquid nitrogen level sensing using a single fiber and a single fiber feedthrough. © 2006 IEEE.

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Details

Item Type: Article
Status: Published
Creators/Authors:
CreatorsEmailPitt UsernameORCID
Chen, T
Maklad, M
Swinehart, PR
Chen, KPpec9@pitt.eduPEC90000-0002-4830-0817
Date: 21 February 2011
Date Type: Publication
Journal or Publication Title: IEEE Sensors Journal
Volume: 11
Number: 4
Page Range: 1051 - 1052
DOI or Unique Handle: 10.1109/jsen.2010.2059008
Schools and Programs: Swanson School of Engineering > Electrical and Computer Engineering
Refereed: Yes
ISSN: 1530-437X
Date Deposited: 15 Oct 2014 20:29
Last Modified: 15 Jan 2021 15:55
URI: http://d-scholarship.pitt.edu/id/eprint/23257

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