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Optics Letters

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  • Editor: Alan E. Willner
  • Vol. 38, Iss. 20 — Oct. 15, 2013
  • pp: 4178–4181

Fast thermal regeneration of fiber Bragg gratings

Antonio Bueno, Damien Kinet, Patrice Mégret, and Christophe Caucheteur  »View Author Affiliations


Optics Letters, Vol. 38, Issue 20, pp. 4178-4181 (2013)
http://dx.doi.org/10.1364/OL.38.004178


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Abstract

In this Letter we report a fast thermal regeneration of Type I fiber Bragg gratings inscribed with a UV laser in up to four different optical fibers: hydrogenated standard fiber, hydrogenated highly Ge-doped fiber, hydrogenated photosensitive fiber, and nonhydrogenated fiber. The thermal treatment consists in directly introducing the optical fiber into a preheated oven. The preheat temperature depends on the type of fiber used and is high enough to erase the grating and regenerate it afterward. The best results are obtained with hydrogenated photosensitive fiber and highly Ge-doped fiber, whereas no satisfactory results were obtained with hydrogenated standard fiber and nonhydrogenated photosensitive fiber. A regenerated grating with only 1.6 dB of loss was obtained in 10 min, reducing the time needed by a factor of 5.7. By adjusting the temperature of the oven, regenerated gratings of 13.7 dB of loss in 31 s and 5.8 dB of loss in 3 min were obtained. The factors of improvement in time are 110.3 and 19, respectively.

© 2013 Optical Society of America

OCIS Codes
(060.2290) Fiber optics and optical communications : Fiber materials
(060.2370) Fiber optics and optical communications : Fiber optics sensors
(120.6810) Instrumentation, measurement, and metrology : Thermal effects
(060.3735) Fiber optics and optical communications : Fiber Bragg gratings

ToC Category:
Fiber Optics and Optical Communications

History
Original Manuscript: July 4, 2013
Revised Manuscript: September 11, 2013
Manuscript Accepted: September 14, 2013
Published: October 11, 2013

Citation
Antonio Bueno, Damien Kinet, Patrice Mégret, and Christophe Caucheteur, "Fast thermal regeneration of fiber Bragg gratings," Opt. Lett. 38, 4178-4181 (2013)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-38-20-4178

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