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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 18, Iss. 10 — May. 10, 2010
  • pp: 9747–9754

Novel auto-correction method in a fiber-optic distributed-temperature sensor using reflected anti-Stokes Raman scattering

Dusun Hwang, Dong-Jin Yoon, Il-Bum Kwon, Dae-Cheol Seo, and Youngjoo Chung  »View Author Affiliations

Optics Express, Vol. 18, Issue 10, pp. 9747-9754 (2010)

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A novel method for auto-correction of fiber optic distributed temperature sensor using anti-Stokes Raman back-scattering and its reflected signal is presented. This method processes two parts of measured signal. One part is the normal back scattered anti-Stokes signal and the other part is the reflected signal which eliminate not only the effect of local losses due to the micro-bending or damages on fiber but also the differential attenuation. Because the beams of the same wavelength are used to cancel out the local variance in transmission medium there is no differential attenuation inherently. The auto correction concept was verified by the bending experiment on different bending points.

© 2010 OSA

OCIS Codes
(120.6780) Instrumentation, measurement, and metrology : Temperature
(280.4788) Remote sensing and sensors : Optical sensing and sensors

ToC Category:

Original Manuscript: March 17, 2010
Revised Manuscript: April 22, 2010
Manuscript Accepted: April 22, 2010
Published: April 26, 2010

Dusun Hwang, Dong-Jin Yoon, Il-Bum Kwon, Dae-Cheol Seo, and Youngjoo Chung, "Novel auto-correction method in a fiber-optic distributed-temperature sensor using reflected anti-Stokes Raman scattering," Opt. Express 18, 9747-9754 (2010)

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