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Optical Materials Express

Optical Materials Express

  • Editor: David J. Hagan
  • Vol. 2, Iss. 11 — Nov. 1, 2012
  • pp: 1490–1495

Stress changes in H2-loaded SMF optical fibers induced by cw-Ar+ 244 nm irradiation

Georgios Violakis, Nandita Aggarwal, and Hans G. Limberger  »View Author Affiliations


Optical Materials Express, Vol. 2, Issue 11, pp. 1490-1495 (2012)
http://dx.doi.org/10.1364/OME.2.001490


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Abstract

Bragg gratings were inscribed in H2-loaded SMF-28e optical fibers and measured for axial stress changes for various exposure doses. Mean refractive index changes as high as 7.5 × 10−3 were observed under cw-244 nm irradiation of 143 W/cm2. Bragg grating reflectivity >99% was achieved for 0.7 mm long (1/e2) gratings. Axial stress measurements realized before and after UV exposure of the fibers, show two competing dose-dependent photosensitivity mechanisms: Negative stress changes at the early stages of exposure and positive stress changes for high exposures.

© 2012 OSA

OCIS Codes
(060.2300) Fiber optics and optical communications : Fiber measurements
(060.3738) Fiber optics and optical communications : Fiber Bragg gratings, photosensitivity

ToC Category:
Materials for Fiber Optics

History
Original Manuscript: August 15, 2012
Manuscript Accepted: September 1, 2012
Published: October 1, 2012

Virtual Issues
Specialty Optical Fibers (2012) Optical Materials Express

Citation
Georgios Violakis, Nandita Aggarwal, and Hans G. Limberger, "Stress changes in H2-loaded SMF optical fibers induced by cw-Ar+ 244 nm irradiation," Opt. Mater. Express 2, 1490-1495 (2012)
http://www.opticsinfobase.org/ome/abstract.cfm?URI=ome-2-11-1490


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