FIELD: optics.
SUBSTANCE: device for forming an optical beam has a collimator for receiving light from an optical source and an optical plate which has a two-dimensional array of lenses on the input side and a corresponding two-dimensional array of lenses on the opposite output side. Each of the lenses on the input side has a focusing point on the corresponding lens on the output side, and each of the lenses on the output side has a focusing point on the corresponding lens on the input side. At least some lenses on output side are inclined relative to common plane of optical plate.
EFFECT: technical result is improved characteristics of the formed beam due to uniform mixing.
11 cl, 10 dwg
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