Gaussian mode selection with intracavity diffractive optics

被引：26
|
作者：
Litvin, Igor A. [1 ,2 ]
Forbes, Andrew [1 ,3 ]
机构：
[1] Natl Laser Ctr, CSIR, ZA-0001 Pretoria, South Africa
[2] Univ Stellenbosch, Laser Res Inst, ZA-7602 Stellenbosch, South Africa
[3] Univ KwaZulu Natal, Sch Phys, ZA-4000 Durban, South Africa
来源：
OPTICS LETTERS | 2009年 / 34卷 / 19期
关键词：
GRADED-PHASE MIRRORS; LASER;
D O I：
10.1364/OL.34.002991
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
We outline a resonator design that allows for the selection of a Gaussian mode by diffractive optical elements. This is made possible by the metamorphosis of a Gaussian beam into a flat-top beam during propagation from one end of the resonator to the other. By placing the gain medium at the flat-top beam end, it is possible to extract high energy in a low-loss cavity. A further feature of this resonator is the ability to select the field properties at either end of the cavity almost independently, thus opening the way to minimize the output divergence while simultaneously maximizing the output energy. (C) 2009 Optical Society of America
引用
收藏
页码：2991 / 2993
页数：3
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