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

T. Allsop; M. Dubov; H. Dobb; A. Main; A. Martinez; K. Kalli; D. J. Webb; I. Bennion

doi:10.1117/12.663000

24 May 2006 A comparison of the spectral properties of high temperature annealed long period gratings inscribed by fs laser, UV, and fusion-arc

T. Allsop, M. Dubov, H. Dobb, A. Main, A. Martinez, K. Kalli, D. J. Webb, I. Bennion

Author Affiliations +

Proceedings Volume 6193, Reliability of Optical Fiber Components, Devices, Systems, and Networks III; 61930M (2006) https://doi.org/10.1117/12.663000
Event: SPIE Photonics Europe, 2006, Strasbourg, France

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.

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T. Allsop, T. Allsop, M. Dubov, M. Dubov, H. Dobb, H. Dobb, A. Main, A. Main, A. Martinez, A. Martinez, K. Kalli, K. Kalli, D. J. Webb, D. J. Webb, I. Bennion, I. Bennion, } "A comparison of the spectral properties of high temperature annealed long period gratings inscribed by fs laser, UV, and fusion-arc", Proc. SPIE 6193, Reliability of Optical Fiber Components, Devices, Systems, and Networks III, 61930M (24 May 2006); doi: 10.1117/12.663000; https://doi.org/10.1117/12.663000

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