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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 19, Iss. 18 — Aug. 29, 2011
  • pp: 16885–16889

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

John E. McElhenny, Jeffrey O. White, Steven D. Rogers, Tigran Sanamyan, Leonid B. Glebov, Oleksiy Mokhun, and Vadim I. Smirnov  »View Author Affiliations


Optics Express, Vol. 19, Issue 18, pp. 16885-16889 (2011)
http://dx.doi.org/10.1364/OE.19.016885


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Abstract

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.

© 2011 OSA

OCIS Codes
(050.7330) Diffraction and gratings : Volume gratings
(230.1480) Optical devices : Bragg reflectors
(290.1350) Scattering : Backscattering
(290.5830) Scattering : Scattering, Brillouin
(290.5900) Scattering : Scattering, stimulated Brillouin
(290.5855) Scattering : Scattering, polarization

ToC Category:
Lasers and Laser Optics

History
Original Manuscript: June 17, 2011
Manuscript Accepted: July 4, 2011
Published: August 15, 2011

Citation
John E. McElhenny, Jeffrey O. White, Steven D. Rogers, Tigran Sanamyan, Leonid B. Glebov, Oleksiy Mokhun, and Vadim I. Smirnov, "Using a volume Bragg grating instead of a Faraday isolator in lasers incorporating stimulated Brillouin scattering wavefront reversal or beam cleanup," Opt. Express 19, 16885-16889 (2011)
http://www.opticsinfobase.org/oe/abstract.cfm?URI=oe-19-18-16885


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