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Optics Letters

Optics Letters

| RAPID, SHORT PUBLICATIONS ON THE LATEST IN OPTICAL DISCOVERIES

  • Vol. 27, Iss. 22 — Nov. 15, 2002
  • pp: 1974–1976

Growth dynamics of chemical composition gratings in fluorine-doped silica optical fibers

Michael Fokine  »View Author Affiliations


Optics Letters, Vol. 27, Issue 22, pp. 1974-1976 (2002)
http://dx.doi.org/10.1364/OL.27.001974


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Abstract

The refractive-index modulation of chemical composition gratings in fluorine–germanium-doped silica fibers as a function of thermal treatment during manufacturing has been studied. The final grating strength was found to depend strongly on an intermediate annealing step, with an optimum temperature near 600–700 °C, before development at a fixed temperature of 1000 °C. Low–temperature treatment, aimed at removing any remaining hydrogen from the fiber, performed at 100 °C for 20 h before the annealing step, also significantly increased the final refractive-index modulation.

© 2002 Optical Society of America

OCIS Codes
(060.2310) Fiber optics and optical communications : Fiber optics
(060.2370) Fiber optics and optical communications : Fiber optics sensors
(230.1480) Optical devices : Bragg reflectors

Citation
Michael Fokine, "Growth dynamics of chemical composition gratings in fluorine-doped silica optical fibers," Opt. Lett. 27, 1974-1976 (2002)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-27-22-1974

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