Performances of a polymer-cholesteric-liquid-crystal output-coupler in Nd-doped fiber lasers

被引：2
|
作者：
Meziane, B
Li, C
Carette, P
Warenghem, M
Mitov, M
机构：
[1] Univ Artois, LPCIA, F-62307 Lens, France
[2] CNRS, CEMES, F-31055 Toulouse 4, France
来源：
OPTICS EXPRESS | 2002年 / 10卷 / 18期
关键词：
D O I：
10.1364/OE.10.000965
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
The performances and characteristics of a polymer-cholesteric-liquid-crystal reflector, used as an output coupler in a Nd-doped fiber laser, are presented. We show that a judicious combination of a linear polarizer and a quarter wave plate with the cholesteric coupler allows for a continuous scanning of the output-intensity from zero to a maximum value following the well-known Malus law. The results are shown to be contained in a simple Jones Matrix formalism. The LP-QW-PCLC combination is characterized by a reflection coefficient that can be freely adjusted from 0 to 1 by a simple rotation of the quarter-wave plate. (C) 2002 Optical Society of America.
引用
收藏
页码：965 / 971
页数：7
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