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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Editor: James C. Wyant
  • Vol. 45, Iss. 31 — Nov. 1, 2006
  • pp: 7966–7970

CO2 laser-grooved long period fiber grating temperature sensor system based on intensity modulation

Yi-Ping Wang, Dong Ning Wang, and Wei Jin  »View Author Affiliations


Applied Optics, Vol. 45, Issue 31, pp. 7966-7970 (2006)
http://dx.doi.org/10.1364/AO.45.007966


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Abstract

A long period fiber grating (LPFG) temperature sensor system based on intensity modulation is developed. The LPFG employed is fabricated by the use of a focused CO 2 laser beam to carve periodic grooves on the fiber. The temperature measurement resolution of up to 0.1 ° C has been obtained within the temperature range between 20 °C and 100   ° C . The system uses a simple intensity measurement method and exhibits the advantages of convenient intensity measurement, double temperature sensitivity, high resolution, simple configuration, and low cost.

© 2006 Optical Society of America

OCIS Codes
(050.2770) Diffraction and gratings : Gratings
(060.2340) Fiber optics and optical communications : Fiber optics components
(060.2370) Fiber optics and optical communications : Fiber optics sensors

History
Original Manuscript: May 1, 2006
Revised Manuscript: June 14, 2006
Manuscript Accepted: June 23, 2006

Citation
Yi-Ping Wang, Dong Ning Wang, and Wei Jin, "CO2 laser-grooved long period fiber grating temperature sensor system based on intensity modulation," Appl. Opt. 45, 7966-7970 (2006)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-45-31-7966

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