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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Editor: Joseph N. Mait
  • Vol. 48, Iss. 12 — Apr. 20, 2009
  • pp: 2303–2307

Temperature and strain discrimination based on a temperature-insensitive birefringent interferometer incorporating an erbium-doped fiber

Young-Geun Han, Youngjoo Chung, Sang Bae Lee, Chang-Seok Kim, Myung Yung Jeong, and Moon Ki Kim  »View Author Affiliations


Applied Optics, Vol. 48, Issue 12, pp. 2303-2307 (2009)
http://dx.doi.org/10.1364/AO.48.002303


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Abstract

A simple configuration for simultaneous measurement of temperature and strain exploiting a temperature-insensitive birefringent interferometer based on a photonic crystal fiber incorporating an erbium-doped fiber (EDF) is investigated. The transmission peak power of the birefringent interferometer incorporating the EDF is changed by the temperature variation because the amplified spontaneous emission of the EDF strongly depends on temperature. The applied strain changes the peak wavelength of the birefringent interferometer connecting with the EDF, which can make it possible to discriminate concurrent sensitivities like temperature and strain. The temperature and strain sensitivities were 0.04 dB / ° C and 1.3 pm / με , respectively.

© 2009 Optical Society of America

OCIS Codes
(060.2310) Fiber optics and optical communications : Fiber optics
(060.2370) Fiber optics and optical communications : Fiber optics sensors

ToC Category:
Fiber Optics and Optical Communications

History
Original Manuscript: October 22, 2008
Revised Manuscript: February 16, 2009
Manuscript Accepted: March 3, 2009
Published: April 14, 2009

Citation
Young-Geun Han, Youngjoo Chung, Sang Bae Lee, Chang-Seok Kim, Myung Yung Jeong, and Moon Ki Kim, "Temperature and strain discrimination based on a temperature-insensitive birefringent interferometer incorporating an erbium-doped fiber," Appl. Opt. 48, 2303-2307 (2009)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-48-12-2303

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