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Optics Letters

Optics Letters


  • Editor: Alan E. Willner
  • Vol. 34, Iss. 16 — Aug. 15, 2009
  • pp: 2441–2443

Photonic-crystal-fiber-enabled micro-Fabry–Perot interferometer

Joel Villatoro, Vittoria Finazzi, Gianluca Coviello, and Valerio Pruneri  »View Author Affiliations

Optics Letters, Vol. 34, Issue 16, pp. 2441-2443 (2009)

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We report on the fabrication of a monolithic fiber Fabry–Perot interferometer whose cavity is a microscopic air bubble. The latter is formed when splicing together a conventional single-mode fiber and an index-guiding photonic crystal fiber with the standard arc-discharge technique. Spherical microcavities with diameters ranging from 20 to 58 μ m were fabricated with such a technique. The interferometers exhibited low thermal sensitivity (less than 1.0 pm ° C ), high mechanical strength, broad operation wavelength range, and fringe contrast in the 8 12 dB range. The applications of the interferometers for strain sensing (up to 5000 μ ϵ ) is demonstrated.

© 2009 Optical Society of America

OCIS Codes
(060.2370) Fiber optics and optical communications : Fiber optics sensors
(060.5295) Fiber optics and optical communications : Photonic crystal fibers

ToC Category:
Fiber Optics and Optical Communications

Original Manuscript: June 1, 2009
Revised Manuscript: July 8, 2009
Manuscript Accepted: July 15, 2009
Published: August 7, 2009

Joel Villatoro, Vittoria Finazzi, Gianluca Coviello, and Valerio Pruneri, "Photonic-crystal-fiber-enabled micro-Fabry–Perot interferometer," Opt. Lett. 34, 2441-2443 (2009)

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