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Applied Optics

Applied Optics


  • Editor: Joseph N. Mait
  • Vol. 50, Iss. 17 — Jun. 10, 2011
  • pp: 2519–2522

Post-hydrogen-loaded draw tower fiber Bragg gratings and their thermal regeneration

Eric Lindner, John Canning, Christoph Chojetzki, Sven Brückner, Martin Becker, Manfred Rothhardt, and Hartmut Bartelt  »View Author Affiliations

Applied Optics, Vol. 50, Issue 17, pp. 2519-2522 (2011)

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The idea of Bragg gratings generated during the drawing process of a fiber dates back almost 20 years. The technical improvement of the draw tower grating (DTG) process today results in highly reliable and cost-effective Bragg gratings for versatile application in the optical fiber sensor market. Because of the single-pulse exposure of the fiber, the gratings behave typically like type I gratings with respect to their temperature stability. This means that such gratings only work up to temperatures of about 300 ° C . To increase temperature stability, we combined DTG arrays with hydrogen postloading and a thermal regeneration process that enables their use in high-temperature environments. The regenerated draw tower gratings are demonstrated to be suitable for temperatures of more than 800 ° C .

© 2011 Optical Society of America

OCIS Codes
(060.2370) Fiber optics and optical communications : Fiber optics sensors
(060.3735) Fiber optics and optical communications : Fiber Bragg gratings

ToC Category:
Fiber Optics and Optical Communications

Original Manuscript: February 9, 2011
Manuscript Accepted: March 11, 2011
Published: June 1, 2011

Eric Lindner, John Canning, Christoph Chojetzki, Sven Brückner, Martin Becker, Manfred Rothhardt, and Hartmut Bartelt, "Post-hydrogen-loaded draw tower fiber Bragg gratings and their thermal regeneration," Appl. Opt. 50, 2519-2522 (2011)

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