Using a volume Bragg grating instead of a Faraday isolator in lasers incorporating stimulated Brillouin scattering wavefront reversal or beam cleanup | Zendy

John E. McElhenny | Zendy; Jeffrey O. White | Zendy; Steven D. Rogers | Zendy; T. Sanamyan | Zendy; Leonid Glebov | Zendy; Oleksiy Mokhun | Zendy; В. И. Смирнов | Zendy

Open Access

Using a volume Bragg grating instead of a Faraday isolator in lasers incorporating stimulated Brillouin scattering wavefront reversal or beam cleanup

Author(s) -

John E. McElhenny,

Jeffrey O. White,

Steven D. Rogers,

T. Sanamyan,

Leonid Glebov,

Oleksiy Mokhun,

В. И. Смирнов

Publication year - 2011

Publication title -

optics express

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.394

H-Index - 271

ISSN - 1094-4087

DOI - 10.1364/oe.19.016885

Subject(s) - optics , brillouin scattering , materials science , optical isolator , wavefront , fiber bragg grating , amplifier , faraday effect , faraday cage , laser , optoelectronics , physics , cmos , quantum mechanics , magnetic field

A master-oscillator power-amplifier with stimulated Brillouin scattering (SBS) beam cleanup or wavefront reversal typically incorporates a Faraday isolator to outcouple the Stokes light, limiting the power scalability. Volume Bragg gratings (VBGs) have the potential for scaling to higher powers. We report here the results of tests on a VBG designed to resolve wavelengths 0.060 nm apart, corresponding to the 16 GHz frequency shift for SBS backscattering at 1064 nm in fused silica. Such an element may also find use in between stages of fiber amplifiers, for blocking the Stokes wave.

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