Avoided crossings in photonic crystal fibers

被引：46
作者：
Jansen, Florian [1 ]
Stutzki, Fabian [1 ]
Jauregui, Cesar [1 ]
Limpert, Jens [1 ,2 ]
Tuennermann, Andreas [1 ,2 ,3 ]
机构：
[1] Univ Jena, Inst Appl Phys, D-07745 Jena, Germany
[2] Helmholtz Inst Jena, D-07743 Jena, Germany
[3] Fraunhofer Inst Appl Opt & Precis Engn IOF, D-07745 Jena, Germany
来源：
OPTICS EXPRESS | 2011年 / 19卷 / 14期
基金：
欧洲研究理事会;
关键词：
POWER; MODE;
D O I：
10.1364/OE.19.013578
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
The impact of avoided crossings (also known as anti-crossings) in single and double-clad large mode area Photonic Crystal Fibers (PCFs) suitable for high-power laser systems is evaluated numerically. It is pointed out that an inappropriate choice of pump core diameter, bending radius and/or index depression may lead to avoided crossings that manifest themselves in unwanted deformations of the output beam. (C) 2011 Optical Society of America
引用
收藏
页码：13578 / 13589
页数：12
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