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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Editor: James C. Wyant
  • Vol. 45, Iss. 23 — Aug. 10, 2006
  • pp: 5800–5807

Response of in-fiber Bragg gratings to hydrogen loading and subsequent heat treatment in H2 ambience

Alexey V. Lanin, Oleg V. Butov, and Konstantin M. Golant  »View Author Affiliations


Applied Optics, Vol. 45, Issue 23, pp. 5800-5807 (2006)
http://dx.doi.org/10.1364/AO.45.005800


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Abstract

The evolution of in-fiber Bragg gratings' contrast and resonance wavelengths caused by molecular hydrogen loading and subsequent heat treatment in a hydrogen atmosphere at a pressure of 8   MPa is experimentally studied. Changes in the gratings’ transmission spectra brought about by room-temperature hydrogen loading followed by isochronal annealing cycles at temperatures up to 700   ° C and at invariable hydrogen pressure are recorded in situ. The gratings’ thermal decay dynamics in hydrogen ambience and in air are found to be different and dependent on the gratings’ type and on the type of glass in the fiber core. In light of the data obtained, the origin of type IIa gratings is anew under discussion.

© 2006 Optical Society of America

OCIS Codes
(050.2770) Diffraction and gratings : Gratings
(060.2340) Fiber optics and optical communications : Fiber optics components
(060.2370) Fiber optics and optical communications : Fiber optics sensors

History
Original Manuscript: January 17, 2006
Revised Manuscript: March 14, 2006
Manuscript Accepted: March 21, 2006

Citation
Alexey V. Lanin, Oleg V. Butov, and Konstantin M. Golant, "Response of in-fiber Bragg gratings to hydrogen loading and subsequent heat treatment in H2 ambience," Appl. Opt. 45, 5800-5807 (2006)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-45-23-5800

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