Authors

D. Ott; I. Divliansky; B. Anderson; G. Venus;L. Glebov

Comments

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Abbreviated Journal Title

Opt. Express

Keywords

Optics

Abstract

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.

Journal Title

Optics Express

Volume

21

Issue/Number

24

Publication Date

1-1-2013

Document Type

Article

Language

English

First Page

29620

Last Page

29627

WOS Identifier

WOS:000327947500055

ISSN

1094-4087

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