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Optics Express

Optics Express

  • Editor: Andrew M. Weiner
  • Vol. 21, Iss. 24 — Dec. 2, 2013
  • pp: 29620–29627

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

Daniel Ott, Ivan Divliansky, Brian Anderson, George Venus, and Leonid Glebov  »View Author Affiliations

Optics Express, Vol. 21, Issue 24, pp. 29620-29627 (2013)

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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.

© 2013 Optical Society of America

OCIS Codes
(050.7330) Diffraction and gratings : Volume gratings
(140.3298) Lasers and laser optics : Laser beam combining

ToC Category:
Lasers and Laser Optics

Original Manuscript: September 9, 2013
Revised Manuscript: November 2, 2013
Manuscript Accepted: November 14, 2013
Published: November 22, 2013

Daniel Ott, Ivan Divliansky, Brian Anderson, George Venus, and Leonid Glebov, "Scaling the spectral beam combining channels in a multiplexed volume Bragg grating," Opt. Express 21, 29620-29627 (2013)

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