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8 June 2005 Investigation of long-period fibre gratings inscribed by high-intensity femtosecond UV laser light
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Abstract
Using high-intensity (up to 500 GW/cm2) 264 nm laser radiation, we fabricated long-period fibre gratings (LPFGs) in standard telecom and photosensitive fibres and compared the inscription efficiency with that for other existing methods of recording. We studied the temperature sensing properties of the fabricated gratings and demonstrated the effect of thermal recovery of a LPFG resonance peak.
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Alexey I. Kalachev and David N. Nikogosyan "Investigation of long-period fibre gratings inscribed by high-intensity femtosecond UV laser light", Proc. SPIE 5827, Opto-Ireland 2005: Photonic Engineering, (8 June 2005); https://doi.org/10.1117/12.601157
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