Diffractive elements for high-power fibre coupling applications

被引：16
|
作者：
Thomson, MJ [1 ]
Taghizadeh, MR [1 ]
机构：
[1] Heriot Watt Univ, Sch Engn & Phys Sci, Edinburgh EH14 4AS, Midlothian, Scotland
来源：
JOURNAL OF MODERN OPTICS | 2003年 / 50卷 / 11期
关键词：
D O I：
10.1080/0950034031000069389
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
Optical fibre delivery systems using multiple fibres can increase the amount of light delivered to a manufacturing process. By using diffractive optical elements to optimize the launch conditions, it is possible to remove any 'hot spots' from the input beam, maximizing the power-handling capabilities of the delivery system. We present diffractive elements to optimize the launch conditions when coupling to a fibre bundle or more than one individually mounted fibres. The maximum efficiency of these elements approaches 80% with uniformity errors of less than 10%. The effect of fabrication errors on the performance of the diffractive elements is discussed.
引用
收藏
页码：1691 / 1699
页数：9
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