Investigation of long-period fiber gratings induced by high-intensity femtosecond UV laser pulses

被引:48
|
作者
Kalachev, AI [1 ]
Pureur, V [1 ]
Nikogosyan, DN [1 ]
机构
[1] Natl Univ Ireland Univ Coll Cork, Dept Phys, Cork, Ireland
关键词
fibers; long-period gratings; femtosecond UV laser; two-quantum processes; sensors;
D O I
10.1016/j.optcom.2004.10.055
中图分类号
O43 [光学];
学科分类号
070207 ; 0803 ;
摘要
Using high-intensity (up to 500 GW/cm(2)) 264 nm laser radiation, we fabricated long-period fiber gratings (LPFGs) in standard telecom and photosensitive fibers and compared the inscription efficiency with that for other existing methods of recording. We studied the temperature sensing properties of the fabricated gratings. We demonstrated the effect of thermal recovery of a LPFG resonance peak, which could be used for a fine adjustment of its transmission loss value and wavelength position. (C) 2004 Elsevier B.V. All rights reserved.
引用
收藏
页码:107 / 115
页数:9
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