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A comparison of the spectral properties of high temperature annealed long period gratings inscribed by fs laser, UV, and fusion-arc
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Paper Abstract

Long period gratings have been inscribed in standard single mode fibre using a fs laser system, a fusion arc and a UV laser and a comparative study carried out of their thermal behaviour. The fs laser induced gratings can survive temperatures in excess of 800 °C, however the inscription process can induce considerable birefringence within the device. Annealing studies have been carried out showing that below 600 °C, all three grating types show a blue shift in their room temperature resonance wavelengths following cyclic heating, while above 600 °C, the UV and arc induced LPGs exhibit a red shift, with the fs LPG showing an even stronger blue shift. High temperature annealing is also shown to considerably reduce the birefringence induced by the fs inscription process.

Paper Details

Date Published: 24 May 2006
PDF: 9 pages
Proc. SPIE 6193, Reliability of Optical Fiber Components, Devices, Systems, and Networks III, 61930M (24 May 2006); doi: 10.1117/12.663000
Show Author Affiliations
T. Allsop, Aston Univ. (United Kingdom)
M. Dubov, Aston Univ. (United Kingdom)
H. Dobb, Aston Univ. (United Kingdom)
A. Main, Aston Univ. (United Kingdom)
A. Martinez, Aston Univ. (United Kingdom)
K. Kalli, Higher Technical Institute (Cyprus)
D. J. Webb, Aston Univ. (United Kingdom)
I. Bennion, Aston Univ. (United Kingdom)

Published in SPIE Proceedings Vol. 6193:
Reliability of Optical Fiber Components, Devices, Systems, and Networks III
Hans G. Limberger; M. John Matthewson, Editor(s)

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