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Applied Optics

Applied Optics


  • Editor: Joseph N. Mait
  • Vol. 51, Iss. 30 — Oct. 20, 2012
  • pp: 7165–7169

Bulk regeneration of optical fiber Bragg gratings

Li-Yang Shao, Tao Wang, John Canning, Kevin Cook, and Hwa-Yaw Tam  »View Author Affiliations

Applied Optics, Vol. 51, Issue 30, pp. 7165-7169 (2012)

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The reliability and reproducibility of regenerated gratings for mass production is assessed through simultaneous bulk regeneration of 10 gratings. The gratings are characterized and variations are compared after each stage of fabrication, including seed (room-temperature UV fabrication), regeneration (annealing at 850°C), and postannealing (annealing at 1100°C). In terms of Bragg wavelength ( λ B ), the seed grating variation lies within Δ λ B = 0.16 nm , the regenerated grating within Δ λ B = 0.41 nm , and the postannealed grating within Δ λ B = 1.42 nm . All the results are within reasonable error, indicating that mass production is feasible. The observable spread in parameters from seed to regenerated grating is clearly systematic. The postannealed spread arises from the small tension on the fiber during postannealing and can be explained by the softening of the glass when the strain temperature of silica is reached.

© 2012 Optical Society of America

OCIS Codes
(060.2370) Fiber optics and optical communications : Fiber optics sensors
(120.6780) Instrumentation, measurement, and metrology : Temperature
(130.6010) Integrated optics : Sensors
(060.3735) Fiber optics and optical communications : Fiber Bragg gratings
(060.3738) Fiber optics and optical communications : Fiber Bragg gratings, photosensitivity

ToC Category:
Fiber Optics and Optical Communications

Original Manuscript: August 10, 2012
Manuscript Accepted: September 9, 2012
Published: October 11, 2012

Li-Yang Shao, Tao Wang, John Canning, Kevin Cook, and Hwa-Yaw Tam, "Bulk regeneration of optical fiber Bragg gratings," Appl. Opt. 51, 7165-7169 (2012)

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