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Chinese Optics Letters

Chinese Optics Letters

| PUBLISHED MONTHLY BY CHINESE LASER PRESS AND DISTRIBUTED BY OSA

  • Vol. 5, Iss. 9 — Sep. 10, 2007
  • pp: 507–508

Fiber Bragg grating pressure sensor with enhanced sensitivity

Wentao Zhang, Lihui Liu, Fang Li, and Yuliang Liu  »View Author Affiliations


Chinese Optics Letters, Vol. 5, Issue 9, pp. 507-508 (2007)


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Abstract

A novel fiber Bragg grating (FBG) pressure sensor with the enhanced sensitivity has been demonstrated. A piston-like diaphragm with a hard core in the center is used to enhance the sensitivity. Both the theoretical analysis and the experimental result show that the radius of the hard core has significant effect on the pressure sensitivity. When the radius of the hard core is 1.5 mm, a pressure sensitivity of 7.23 nm/MPa has been achieved.

© 2007 Chinese Optics Letters

OCIS Codes
(060.2370) Fiber optics and optical communications : Fiber optics sensors
(060.4230) Fiber optics and optical communications : Multiplexing
(230.1480) Optical devices : Bragg reflectors

Citation
Wentao Zhang, Lihui Liu, Fang Li, and Yuliang Liu, "Fiber Bragg grating pressure sensor with enhanced sensitivity," Chin. Opt. Lett. 5, 507-508 (2007)
http://www.opticsinfobase.org/col/abstract.cfm?URI=col-5-9-507

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