Holographic recording method, apparatus therefor, and...

Details Holographic recording method, apparatus therefor, and... Holographic recording method, apparatus therefor, and...

2004-09-14

2009-06-30

Amari, Alessandro (Department: 2872)

Optical: systems and elements

Holographic system or element

Using modulated or plural reference beams

C359S022000

Reexamination Certificate

active

07554706

ABSTRACT:
A holographic recording method and apparatus capable of performing phase code multiplex recording without employing a phase spatial light modulator. The holographic recording apparatus10performs phase spatial modulation of a reference beam to be projected onto a holographic recording medium by means of a phase code mask26in which phase code patterns are recorded in advance as a hologram and which is employed in place of a phase spatial light modulator in a reference optical system20.

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patent: 6377367 (2002-04-01), Suganuma
patent: 6697180 (2004-02-01), Wilson et al.
patent: 6909529 (2005-06-01), Curtis
patent: A 11-242424 (1999-09-01), None
patent: A-2000-268380 (2000-09-01), None
Barbastathis et al., “Shift Multiplexing with Spherical Reference Waves,” Applied Optics, vol. 35, No. 14, p. 2403-2417 (May 10, 1996).

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