High power laser transmission through photonic band gap fibres

被引：0
|
作者：
Al-Janabi, AH
Wintner, E
机构：
[1] Vienna Univ Technol, Inst Photon, Vienna, Austria
[2] Univ Baghdad, Inst Laser, Baghdad, Iraq
来源：
LASER PHYSICS LETTERS | 2005年 / 2卷 / 03期
关键词：
photonic band gap materials; fibre optics propagation;
D O I：
10.1002/lapl.200410147
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
This present work reports preliminary results on experimental measurements of laser energy coupled through a PBG fibre. The PBG fibre has been evacuated to increase the laser intensity damage threshold. Below 0.1 mbar, pressure and with a good beam input quality, 600 mu J of out coupled nanosecond pulse width laser energy was obtained. The average coupling efficiency was about 14%, where the biggest contribution to the overall losses was the input coupling efficiency. The outcoupled single mode showed no change in its shape.
引用
收藏
页码：137 / 140
页数：4
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