Spot-size transformations for laser-fiber integration

被引：0
|
作者：
Rahman, BMA [1 ]
Rajarajan, M [1 ]
Wongcharoen, T [1 ]
Grattan, KTV [1 ]
机构：
[1] City Univ London, London EC1V 0HB, England
来源：
INTEGRATED OPTIC DEVICES II | 1998年 / 3278卷
关键词：
D O I：
10.1117/12.298200
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：
In this paper several approaches to expand the field profile of a laser beam are studied. The power coupling efficiency and fiber coupling loss are discussed in detail. To achieve this, the rigorous vector finite element method is used to calculate the modal propagation properties and the Least Squares Boundary Residual method is employed to calculate the coupling loss, the reflection coefficient and the alignment tolerances of these devices.
引用
收藏
页码：196 / 206
页数：11
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