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Phase compensation of laser beam modes

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Abstract

A technique is described for improving the propagation characteristics of high order laser beam modes. A thin phase plate inserted in the beam forces all portions of the wave front to oscillate in phase and yields a substantial improvement in the far field intensity distribution. Depending on the mode order, the peak intensity at a distant target may be readily increased by more than a factor of ten.

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Authors and Affiliations

  1. School of Engineering and Applied Science, University of California, 90024, Los Angeles, California

    Lee W. Casperson

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  1. Lee W. Casperson
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Casperson, L.W. Phase compensation of laser beam modes. Opt Quant Electron 8, 537–544 (1976). https://doi.org/10.1007/BF00620145

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  • DOI: https://doi.org/10.1007/BF00620145

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