Strong 157 nm F2-laser photosensitivity-locking of hydrogen-loaded telecommunication fibre for 248 nm fabrication of long-period gratings

被引:6
作者
Chen, KP [1 ]
Wei, X [1 ]
Herman, PR [1 ]
机构
[1] Univ Toronto, Dept Elect & Comp Engn, Toronto, ON M5S 3G4, Canada
关键词
D O I
10.1049/el:20020009
中图分类号
TM [电工技术]; TN [电子技术、通信技术];
学科分类号
0808 ; 0809 ;
摘要
Strong (>20 dB) long-period fibre gratings were fabricated by combining F-2-laser photosensitivity-locking of hydrogen-soaked telecommunication fibre and KrF-laser grating formation, The 157 run pretreatment permanently enhances the fibre photosensitivity response to the low-energy 248 rum photons. Thermal annealing at 120degreesC for 24 h improves the grating stability without diminishing the enhancement.
引用
收藏
页码:17 / 19
页数:3
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