Scaling the spectral beam combining channels in a multiplexed volume Bragg grating

被引：25
|
作者：
Ott, Daniel [1 ]
Divliansky, Ivan [1 ]
Anderson, Brian [1 ]
Venus, George [1 ]
Glebov, Leonid [1 ]
机构：
[1] Univ Cent Florida, CREOL, Coll Opt & Photon, Orlando, FL 32816 USA
来源：
OPTICS EXPRESS | 2013年 / 21卷 / 24期
关键词：
Compilation and indexing terms; Copyright 2024 Elsevier Inc;
D O I：
10.1364/OE.21.029620
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
In order to generate high power laser radiation it is often necessary to combine multiple lasers into a single beam. The recent advances in high power spectral beam combining using multiplexed volume Bragg gratings recorded in photo-thermo-refractive glass are presented. The focus is on using multiple gratings recorded within the same volume to lower the complexity of the combining system. Combining of 420 W with 96% efficiency using a monolithic, multiplexed double grating recorded in PTR glass is demonstrated. A multiplexed quadruple grating that maintains high efficiency and good beam quality is demonstrated to pave a way for further scaling of combining channels. (C) 2013 Optical Society of America
引用
收藏
页码：29620 / 29627
页数：8
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