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Optics Express

Optics Express

  • Editor: Michael Duncan
  • Vol. 12, Iss. 8 — Apr. 19, 2004
  • pp: 1747–1752

Investigation of Raman fiber laser temperature probe based on fiber Bragg gratings for long-distance remote sensing applications

Ju Han Lee, Junhee Kim, Young-Geun Han, Sang-Hyuck Kim, and Sang Bae Lee  »View Author Affiliations

Optics Express, Vol. 12, Issue 8, pp. 1747-1752 (2004)

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We demonstrate a practical and simple, all fiber Bragg grating (FBG) based Raman laser sensing probe for long-distance, remote temperature sensing application. Using multiple laser cavities based on FBG’s and a tunable chirped FBG, we obtain the simultaneous multichannel remote temperature sensing operation at a 50 km distance. The temperature sensitivity is measured to be 7.15 pm/°C.

© 2004 Optical Society of America

OCIS Codes
(060.2370) Fiber optics and optical communications : Fiber optics sensors
(140.3550) Lasers and laser optics : Lasers, Raman

ToC Category:
Research Papers

Original Manuscript: March 22, 2004
Revised Manuscript: April 7, 2004
Published: April 19, 2004

Ju Lee, Junhee Kim, Young-Geun Han, Sang-Hyuck Kim, and Sang Lee, "Investigation of Raman fiber laser temperature probe based on fiber Bragg gratings for long-distance remote sensing applications," Opt. Express 12, 1747-1752 (2004)

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