Chen, KP and McMillen, B and Buric, M and Jewart, C and Xu, W
(2005)
Self-heated fiber Bragg grating sensors.
Applied Physics Letters, 86 (14).
1 - 3.
ISSN 0003-6951
Abstract
This letter demonstrates an approach for tuning fiber Bragg grating sensors with optical energy carried in the same optical fiber. Optical energy carried in the optical fiber was used to heat in-fiber Bragg gratings in order to alter the grating's optical response to surrounding media. The functional enhancement of optically heated Bragg gratings as sensor devices is demonstrated by a dual-function Bragg grating temperature and level sensing array for liquid at room and cryogenic temperatures. © 2005 American Institute of Physics.
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