Fast wave front measurement
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United States of America Patent
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Jun 4, 2013
Grant Date -
Oct 25, 2012
app pub date -
Apr 26, 2012
filing date -
Sep 1, 2004
priority date (Note) -
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Abstract
Device for measuring wave fronts generated by a lens (4) for an eye, with a radiation source (14) for emitting test radiation (12) to be directed at the lens (4) and a sensor device (26) for detecting wave fronts of incident test radiation after interaction with the lens, wherein the sensor device scans the test radiation (20) after interaction with the lens (4) at a scanning frequency which is at least equal in size to the frequency at which changes in wave fronts occur in the test radiation (20) after interaction with the lens (4).
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