Optical apparatus for controlling the wavefront of a coherent light
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United States of America Patent
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Oct 28, 1997
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N/A
app pub date -
Dec 13, 1995
filing date -
Apr 5, 1990
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Abstract
An optical apparatus for controlling a wave front of a coherent light including at least a coherent light source, an electrically addressable liquid crystal device having a plurality of pixels receiving the light from said light source, and a signal generator for recording a complex amplitude distribution or hologram on the liquid crystal device.
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