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Regeneration and helium: regenerating Bragg gratings in helium-loaded germanosilicate optical fibre |
Optical Materials Express, Vol. 2, Issue 12, pp. 1733-1742 (2012)
http://dx.doi.org/10.1364/OME.2.001733
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Abstract
We have demonstrated successful regeneration of optical fibre Bragg gratings that have been loaded with helium as opposed to hydrogen. The high temperature stability of these gratings is shown to be comparable to the gratings regenerated using hydrogen – surviving temperatures in excess of 900 °C for over 4 hours. These results using an inert gas confirm our previous model where mechanical relaxations dominate regeneration. Consistent with this, He is also observed to play no local role in changing index modulation whilst increasing average index change during grating writing.
© 2012 OSA
OCIS Codes
(060.2400) Fiber optics and optical communications : Fiber properties
(160.2750) Materials : Glass and other amorphous materials
(060.3738) Fiber optics and optical communications : Fiber Bragg gratings, photosensitivity
(280.4788) Remote sensing and sensors : Optical sensing and sensors
ToC Category:
Glass and Other Amorphous Materials
History
Original Manuscript: September 18, 2012
Revised Manuscript: October 23, 2012
Manuscript Accepted: October 29, 2012
Published: November 6, 2012
Citation
Kevin Cook, Li-Yang Shao, and John Canning, "Regeneration and helium: regenerating Bragg gratings in helium-loaded germanosilicate optical fibre," Opt. Mater. Express 2, 1733-1742 (2012)
http://www.opticsinfobase.org/ome/abstract.cfm?URI=ome-2-12-1733
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References
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- http://www.sciner.com/Opticsland/FS.htm
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