Integrated reading and writing of a hologram with a rotated reference beam polarization
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United States of America Patent
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Oct 18, 2005
Grant Date -
Feb 20, 2003
app pub date -
Feb 13, 2002
filing date -
Aug 3, 2001
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Abstract
A method for monitoring diffraction while recording a hologram includes: generating a source beam; generating a data beam by projecting a first component of the source beam through a data source, the data beam having a first polarization; generating a reference beam by adjusting a polarization of a second component of the source beam to provide a second polarization; recording a hologram in a holographic medium from an interference between the data beam and the reference beam; and measuring an offset component in an output arm of the data beam.
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