Freeform holographic imaging apparatus and method
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United States of America Patent
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Oct 2, 2018
Grant Date -
Jan 23, 2014
app pub date -
Jul 20, 2012
filing date -
Jul 20, 2012
priority date (Note) -
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Abstract
A freeform holographic imaging apparatus includes an imaging table for supporting a substrate, an imaging beam positioned adjacent to the imaging table; and a controller operatively connected to the imaging beam and configured to control a position of the imaging beam with respect to the imaging table. The controller is configured to control the imaging beam to image first and second holographic optical elements on the substrate, wherein each of the first and second holographic optical elements are a single pixel. The first holographic optical element is imaged according to a first parameter set and the second holographic optical element is imaged according to a second parameter set.
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