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Optics Letters

Optics Letters


  • Editor: Alan E. Willner
  • Vol. 35, Iss. 14 — Jul. 15, 2010
  • pp: 2349–2351

Fiber Bragg grating vibration-sensing system, insensitive to Bragg wavelength and employing fiber ring laser

Hiroshi Tsuda  »View Author Affiliations

Optics Letters, Vol. 35, Issue 14, pp. 2349-2351 (2010)

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A fiber Bragg grating (FBG) vibration-sensing system employing a fiber ring laser utilizing an FBG sensor as the ring cavity mirror was designed and developed herein. The fiber ring laser emitted lasing light at the Bragg wavelength of the FBG sensor, and the intensity of the lasing light varied with vibrations applied to the FBG sensor. Experiments demonstrated that this system could detect, with good sensitivity, vibrations over a broad band, ranging from just a few hertz up to ultrasound. This sensing system should be able to detect vibrations regardless of both the strain and temperature applied to the FBG sensor.

© 2010 Optical Society of America

OCIS Codes
(060.2370) Fiber optics and optical communications : Fiber optics sensors
(120.4290) Instrumentation, measurement, and metrology : Nondestructive testing
(060.3735) Fiber optics and optical communications : Fiber Bragg gratings

ToC Category:
Fiber Optics and Optical Communications

Original Manuscript: April 16, 2010
Revised Manuscript: June 16, 2010
Manuscript Accepted: June 21, 2010
Published: July 5, 2010

Hiroshi Tsuda, "Fiber Bragg grating vibration-sensing system, insensitive to Bragg wavelength and employing fiber ring laser," Opt. Lett. 35, 2349-2351 (2010)

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