Holographic recording and reconstructing apparatus and...

Details Holographic recording and reconstructing apparatus and... Holographic recording and reconstructing apparatus and...

2007-07-24

2007-07-24

Boutsikaris, Leonidas (Department: 2872)

Optical: systems and elements

Holographic system or element

For producing or reconstructing images from multiple holograms

C359S024000, C359S032000, C369S103000, C365S125000

Reexamination Certificate

active

11325037

ABSTRACT:
A holographic recording and reconstructing apparatus includes a laser light source for emitting a laser beam, a beam splitting element for splitting the emitted laser beam into a signal beam and a reference beam, a light modulating element for modulating the signal beam, an optical system for collecting the modulated signal beam and the reference beam onto a reflection hologram recording medium at substantially the same location, a light detection element for detecting a reconstructed light beam from the hologram recording medium, and wavelength shifting means for shifting the wavelength of the laser beam used during reconstruction from the wavelength used during recording.

REFERENCES:
patent: 5978112 (1999-11-01), Psaltis et al.
patent: 6320683 (2001-11-01), Ito et al.
patent: 6738337 (2004-05-01), Xu et al.
patent: 11-242424 (1999-09-01), None

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