DIFFRACTION OPTICAL ELEMENT, LIGHT IRRADIATION DEVICE, LIGHT IRRADIATION SYSTEM AND CORRECTION METHOD OF PROJECTION PATTERN
To provide a diffraction optical element capable of easily correcting distortion caused by an imaging lens, a light irradiation device, a light irradiation system and a correction method of a projection pattern.SOLUTION: A diffraction optical element 10 is a diffraction optical element for shaping l...
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Sprache: | eng ; jpn |
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