Optical: systems and elements – Holographic system or element – Having optical element between object and recording medium
Reexamination Certificate
2007-04-24
2007-04-24
Lavarias, Arnel (Department: 2872)
Optical: systems and elements
Holographic system or element
Having optical element between object and recording medium
C359S035000, C359S001000
Reexamination Certificate
active
11155437
ABSTRACT:
A holographic storage apparatus for recording data in a holographic medium includes at least one light source for generating a reference beam and a signal beam. The reference beam is preferably a phase beam of unchanging phase content. The apparatus also includes a holographic medium placed in a path of the reference beam and a path of the signal beam. The holographic medium has a first face and both the reference beam and the signal beam enter the holographic medium through the first face. The holographic medium also includes a data reflective surface. The reference beam and the signal beam interfere in the holographic medium to create a hologram only after at least one of the reference beam and the signal beam have reflected off of the data reflective surface.
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InPhase Technologies Inc.
Lavarias Arnel
Morrison & Foerster / LLP
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