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|Title:||A comparison of the spectral properties of high temperature annealed long period gratings inscribed by fs laser, uv and fusion-arc||Authors:||Kalli, Kyriacos
Allsop, Thomas D P
Webb, David J.
|Keywords:||Liquefied petroleum gas
|Issue Date:||2006||Publisher:||Spie Digital Library||Source:||Reliability of Optical Fiber Components, Devices, Systems, and Networks III,3-4 April 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.||URI:||http://ktisis.cut.ac.cy/handle/10488/7252||DOI:||10.1117/12.663000||Rights:||© 2006 SPIE.|
|Appears in Collections:||Δημοσιεύσεις σε συνέδρια/Conference papers|
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