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Optics Letters

Optics Letters

| RAPID, SHORT PUBLICATIONS ON THE LATEST IN OPTICAL DISCOVERIES

  • Editor: Anthony J. Campillo
  • Vol. 32, Iss. 18 — Sep. 15, 2007
  • pp: 2662–2664

In-line fiber-optic etalon formed by hollow-core photonic crystal fiber

Y. J. Rao, T. Zhu, X. C. Yang, and D. W. Duan  »View Author Affiliations


Optics Letters, Vol. 32, Issue 18, pp. 2662-2664 (2007)
http://dx.doi.org/10.1364/OL.32.002662


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Abstract

A novel fiber-optic in-line etalon formed by splicing a section of hollow-core photonic crystal fiber (HCPCF) in between two single-mode fibers is proposed and demonstrated, for the first time to our knowledge. Such a HCPCF-based etalon acts as an excellent optical waveguide to form a Fabry–Perot interferometer and hence allows the cavity length to be as long as several centimeters with good visibility as the transmission loss of the HCPCF is much smaller than that of a hollow core fiber; this offers great potential to generate a practical dense fiber-optic sensor network with spatial frequency division-multiplexing. This novel etalon is demonstrated for strain measurement, and the experimental results show that a good visibility of 0.3 and a strain accuracy of better than ± 5 μ ε are achieved.

© 2007 Optical Society of America

OCIS Codes
(050.2230) Diffraction and gratings : Fabry-Perot
(060.2370) Fiber optics and optical communications : Fiber optics sensors

ToC Category:
Fiber Optics and Optical Communications

History
Original Manuscript: May 31, 2007
Revised Manuscript: July 26, 2007
Manuscript Accepted: August 5, 2007
Published: September 4, 2007

Citation
Y. J. Rao, T. Zhu, X. C. Yang, and D. W. Duan, "In-line fiber-optic etalon formed by hollow-core photonic crystal fiber," Opt. Lett. 32, 2662-2664 (2007)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-32-18-2662

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