Optic heating compensation in a laser processing system
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United States of America Patent
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Jan 19, 2017
app pub date -
Jul 12, 2016
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Jul 15, 2015
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Abstract
A laser beam is applied to optics to focus the laser beam into a focal point substantially on a piece of working material. An expected shift in a focal plane due to heating of the optics by the laser beam is determined. At least one feature of the optics is altered based on the expected shift so as to maintain the focal point substantially on the piece of working material.
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