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Optics Letters

| RAPID, SHORT PUBLICATIONS ON THE LATEST IN OPTICAL DISCOVERIES

  • Editor: Alan E. Willner
  • Vol. 36, Iss. 23 — Dec. 1, 2011
  • pp: 4491–4493

Bending insensitivity of fiber Bragg gratings in suspended-core optical fibers

Charles M. Jewart, Tong Chen, Eric Lindner, Julia Fiebrandt, Manfred Rothhardt, Kay Schuster, Jens Kobelke, Hartmut Bartelt, and Kevin P. Chen  »View Author Affiliations


Optics Letters, Vol. 36, Issue 23, pp. 4491-4493 (2011)
http://dx.doi.org/10.1364/OL.36.004491


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Abstract

This Letter presents simulation and experimental results that explore bending insensitivity of fiber Bragg gratings in suspended-core optical fibers. The implementation of thin silica bridge in the fibers enhances index contrast of the fiber core and reduces bending-induced strain transfer to the fiber core. This fiber design lead to a reduction of over 7 times in strain-induced fiber Bragg grating resonant peak shifts in the suspended-core fiber compared with that in standard telecommunication fiber, and an 0.14 dB bending loss at a bending radius of 6.35 mm .

© 2011 Optical Society of America

OCIS Codes
(000.4430) General : Numerical approximation and analysis
(060.2370) Fiber optics and optical communications : Fiber optics sensors
(060.3735) Fiber optics and optical communications : Fiber Bragg gratings
(060.4005) Fiber optics and optical communications : Microstructured fibers
(280.4788) Remote sensing and sensors : Optical sensing and sensors

ToC Category:
Fiber Optics and Optical Communications

History
Original Manuscript: August 25, 2011
Manuscript Accepted: September 6, 2011
Published: November 21, 2011

Citation
Charles M. Jewart, Tong Chen, Eric Lindner, Julia Fiebrandt, Manfred Rothhardt, Kay Schuster, Jens Kobelke, Hartmut Bartelt, and Kevin P. Chen, "Bending insensitivity of fiber Bragg gratings in suspended-core optical fibers," Opt. Lett. 36, 4491-4493 (2011)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-36-23-4491


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