Optical system with movable lens for ophthalmic surgical laser
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United States of America Patent
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Nov 29, 2016
Grant Date -
Feb 3, 2011
app pub date -
Jul 29, 2009
filing date -
Jul 29, 2009
priority date (Note) -
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Abstract
An eye-surgical laser system includes a laser source, to generate a laser beam, an XY scanner, to scan a focal spot of a received laser beam in an XY direction essentially transverse to an optical axis of the laser system, and a lens group, disposed in the optical path between the laser source and the XY scanner, to receive the laser beam generated by the laser source, to precompensate an aberration of the laser beam, and to forward the precompensated laser beam to the XY scanner, the lens group having a movable lens, movable in a Z direction along an optical axis.
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