Abstract
Kinoform is a kind of computer-generated holograms which only has phase modulation. It has high utilization efficiency of illuminating light because a kinoform does not have amplitude modulation. Because of the above advantage of high utilization efficiency, kinoform is desirable as beam shaping element. This study is a location of the basic study to design the kinoform which can shape the laser beams of multiple laser diodes. We inspected the influence for beam shaping of multiple laser diodes without phase difference and discuss the dependence of shaped beam intensity on a ratio of Gaussian radius and range of laser light, the number of laser diodes and the sampling points of the desired shaped beam intensity.
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