LASER CONSTRUCTED WITH MULTIPLE OUTPUT COUPLERS TO GENERATE MULTIPLE OUTPUT BEAMS
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United States of America Patent
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app pub date -
Nov 29, 2005
filing date -
Nov 29, 2004
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Abandoned
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Abstract
A laser beam switching system employs a laser coupled to a beam switching device that causes a laser beam to switch between first and second beam positioning heads such that while the first beam positioning head is directing the laser beam to process a workpiece target location, the second beam positioning head is moving to another target location and vice versa. A preferred beam switching device includes first and second AOMs. When RF is applied to the first AOM, the laser beam is diffracted toward the first beam positioning head, and when RF is applied to the second AOM, the laser beam is diffracted toward the second beam positioning head. A workpiece processing system employs a common modular imaged optics assembly and an optional variable beam expander for optically processing multiple laser beams.
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