Phase compensation of laser beam modes |
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Authors: | Lee W Casperson |
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Institution: | (1) School of Engineering and Applied Science, University of California, 90024 Los Angeles, California |
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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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