Method and system for re-writing with a holographic storage medium
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United States of America Patent
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Dec 10, 2013
Grant Date -
Dec 23, 2010
app pub date -
Jun 18, 2010
filing date -
Jun 18, 2009
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Abstract
A method and device for re-writing data on a holographic storage device is disclosed. First and second electro-optic modulators may phase shift the reference and data beams used to store data on the photorefractive crystal. When the reference beam is shifted 180° out of phase with respect to the data beam, the photorefractive crystal is erased.
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