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Optics Letters

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  • Vol. 25, Iss. 16 — Aug. 15, 2000
  • pp: 1141–1143

Fiber Bragg grating sensor for simultaneous measurement of displacement and temperature

Youlong Yu, Hwayaw Tam, Wenghong Chung, and Muhtesem Suleyman Demokan  »View Author Affiliations


Optics Letters, Vol. 25, Issue 16, pp. 1141-1143 (2000)
http://dx.doi.org/10.1364/OL.25.001141


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Abstract

A new approach to measuring displacement and temperature simultaneously by use of a specially designed isosceles triangular cantilevered beam as a strain agent is demonstrated. A fiber Bragg grating epoxied onto the beam surface is experimentally demonstrated to have a temperature sensitivity of ~0.113 nm/°C below 60 °C and a displacement sensitivity of 9.24×10-2 nm/mm .

© 2000 Optical Society of America

OCIS Codes
(050.2770) Diffraction and gratings : Gratings
(060.2310) Fiber optics and optical communications : Fiber optics
(060.2340) Fiber optics and optical communications : Fiber optics components
(060.2370) Fiber optics and optical communications : Fiber optics sensors
(130.6010) Integrated optics : Sensors
(230.1480) Optical devices : Bragg reflectors

Citation
Youlong Yu, Hwayaw Tam, Wenghong Chung, and Muhtesem Suleyman Demokan, "Fiber Bragg grating sensor for simultaneous measurement of displacement and temperature," Opt. Lett. 25, 1141-1143 (2000)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-25-16-1141


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