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Proceedings Paper

Applications Of Raman Beam Cleanup And Phase Conjugation To The Reduction Of Laser Beam Aberrations
Author(s): J. Reintjes; R. H. Lehmberg; G. Calame; M. T. Duignan
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Paper Abstract

We describe the use of Raman beam cleanup for reducing the divergence of laser beams. Distortion-free amplification of a diffraction-limited Stokes beam with a pump beam aberrated to 120 times its diffraction limit is demonstrated. With a power conversion efficiency of 30% the resulting increase in brightness was 5000 times. We also demonstrate the combination of phase conjugation and Raman beam cleanup to remove distortions on the Stokes beam. Results are compared with theory.

Paper Details

Date Published: 30 January 1987
PDF: 8 pages
Proc. SPIE 0709, Laser Research and Development in the Northeast, (30 January 1987); doi: 10.1117/12.937272
Show Author Affiliations
J. Reintjes, Naval Research Laboratory (United States)
R. H. Lehmberg, Naval Research Laboratory (United States)
G. Calame, Naval Research Laboratory (United States)
M. T. Duignan, Naval Research Laboratory (United States)

Published in SPIE Proceedings Vol. 0709:
Laser Research and Development in the Northeast
Evan P. Chicklis; Daniel W. Trainor, Editor(s)

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