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Optics Express

Optics Express

  • Editor: Michael Duncan
  • Vol. 13, Iss. 19 — Sep. 19, 2005
  • pp: 7609–7614

Holey fiber tapers with resonance transmission for high-resolution refractive index sensing

Vladimir P. Minkovich, Joel Villatoro, David Monzón-Hernández, Sergio Calixto, Alexander B. Sotsky, and Ludmila I. Sotskaya  »View Author Affiliations

Optics Express, Vol. 13, Issue 19, pp. 7609-7614 (2005)

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The use of large-mode-area tapered holey fibers with collapsed air holes for refractive index sensing is demonstrated. The collapsing of the holes is achieved by tapering the fibers with a “slow-and-hot” method. This non adiabatic process makes the core mode to couple to multiple modes of the solid taper waist. Owing to the beating between the modes the transmission spectra of the tapered holey fibers exhibit several interference peaks. They shift remarkable to longer wavelengths as the external index increases. The multiple peaks, combined with a fitting algorithm, may allow high-accuracy refractometric measurements which can be used for diverse applications.

© 2005 Optical Society of America

OCIS Codes
(060.2370) Fiber optics and optical communications : Fiber optics sensors
(230.1150) Optical devices : All-optical devices
(230.3990) Optical devices : Micro-optical devices

ToC Category:
Research Papers

Original Manuscript: August 16, 2005
Revised Manuscript: September 9, 2005
Published: September 19, 2005

Vladimir Minkovich, Joel Villatoro, David Monzón-Hernández, Sergio Calixto, Alexander Sotsky, and Ludmila Sotskaya, "Holey fiber tapers with resonance transmission for high-resolution refractive index sensing," Opt. Express 13, 7609-7614 (2005)

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