Chinese Optics Letters, Volume. 3, Issue 12, 12698(2005)
An optical device to homogenize a laser beam
Based on segmentation-recombination principle, a specific optical device is designed to homogenize a high-power CO2 laser beam which is used as a heating source. A model is developed to simulate the intensity distribution of converted laser beam. The results show that the theoretical simulation is consistent with experimental record. The uniformity of converted beam spot is discussed. After modifying the optical parameters of current device, a new optical system is given, through which the uniformity of shaped beam spot is improved remarkably.
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Chongguang Li, Junchang Li, Agens Delmas. An optical device to homogenize a laser beam[J]. Chinese Optics Letters, 2005, 3(12): 12698