Self-referenced holography using element formed on a...

Details Self-referenced holography using element formed on a... Self-referenced holography using element formed on a...

2007-07-03

2007-07-03

Young, Wayne (Department: 2627)

Dynamic information storage or retrieval

Specific detail of information handling portion of system

Radiation beam modification of or by storage medium

C369S112280, C359S030000

Reexamination Certificate

active

10359877

ABSTRACT:
The invention is directed to self-referenced holographic recording techniques that make use of an element of a holographic medium to create a reference beam from a zero frequency Fourier component of a data encoded object beam. In other words, the self-referencing element may be formed on the holographic medium, rather then being a separate element of the holographic recording system. The element may comprise a diffusive element on the medium, designed to create a reference beam having controlled angles, phase and/or amplitude.

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patent: 6538776 (2003-03-01), Edwards
patent: 6545808 (2003-04-01), Ehbets et al.
patent: 2002/0154590 (2002-10-01), Vezenov et al.
patent: 2005/0231777 (2005-10-01), Curtis

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