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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 15, Iss. 21 — Oct. 17, 2007
  • pp: 14123–14128

Micro Fabry-Perot interferometers in silica fibers machined by femtosecond laser

Yun-Jiang Rao, Ming Deng, De-Wen Duan, Xiao-Chen Yang, Tao Zhu, and Guang-Hua Cheng  »View Author Affiliations

Optics Express, Vol. 15, Issue 21, pp. 14123-14128 (2007)

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Micro Fabry-Perot (F-P) interferometers (MFPIs) are machined in a single-mode fiber (SMF) and a photonic crystal fiber (PCF) by using a near-infrared femtosecond laser, respectively. The strain and temperature characteristics of the two MFPIs with an identical cavity length are investigated and the experimental results show that the strain sensitivity of the PCF-based MFPI is smaller than that of the SMF-based MFPI due to their different waveguide structures, while the two MFPIs have close temperature sensitivities which are much smaller than that of an in-line SMF etalon sensor reported previously. These MFPIs in silica fibers are compact, stable, inexpensive, capable for mass-production and easy fabrication, offering great potentials for wide sensing applications.

© 2007 Optical Society of America

OCIS Codes
(050.2230) Diffraction and gratings : Fabry-Perot
(060.2370) Fiber optics and optical communications : Fiber optics sensors
(140.7090) Lasers and laser optics : Ultrafast lasers
(230.4000) Optical devices : Microstructure fabrication
(060.5295) Fiber optics and optical communications : Photonic crystal fibers

ToC Category:
Optical Devices

Original Manuscript: August 1, 2007
Revised Manuscript: October 1, 2007
Manuscript Accepted: October 1, 2007
Published: October 11, 2007

Yun-Jiang Rao, Ming Deng, De-Wen Duan, Xiao-Chen Yang, Tao Zhu, and Guang-Hua Cheng, "Micro Fabry-Perot interferometers in silica fibers machined by femtosecond laser," Opt. Express 15, 14123-14128 (2007)

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