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Fiber Bragg grating vacuum sensors

McMillen, B and Jewart, C and Buric, M and Chen, KP and Lin, Y and Xu, W (2005) Fiber Bragg grating vacuum sensors. Applied Physics Letters, 87 (23). 1 - 3. ISSN 0003-6951

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This letter demonstrates functional enhancements of fiber Bragg grating sensors powered by in-fiber light. High-power laser light transmitted in double-clad optical fiber was extracted from the fiber core to heat an on-fiber metal coating. When the power-laser is turned off, the fiber Bragg grating is used as a passive component for temperature sensing. When the laser is turned on, the thermal response of the optically heated grating was used to monitor ambient air pressure. The sensitivity and dynamic range of optically powered fiber sensors can be actively adjusted by in-fiber light to measure vacuum pressures over four orders of magnitude. © 2005 American Institute of Physics.


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Item Type: Article
Status: Published
CreatorsEmailPitt UsernameORCID
McMillen, B
Jewart, C
Buric, M
Chen, KPpec9@pitt.eduPEC90000-0002-4830-0817
Lin, Y
Xu, W
Date: 12 December 2005
Date Type: Publication
Journal or Publication Title: Applied Physics Letters
Volume: 87
Number: 23
Page Range: 1 - 3
DOI or Unique Handle: 10.1063/1.2140082
Schools and Programs: Swanson School of Engineering > Electrical and Computer Engineering
Refereed: Yes
ISSN: 0003-6951
Date Deposited: 18 Jul 2014 21:19
Last Modified: 15 Jan 2021 15:55


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