Hologram duplicating device and method

Details Hologram duplicating device and method Hologram duplicating device and method

2006-06-13

2006-06-13

Robinson, Mark A. (Department: 2872)

Optical: systems and elements

Holographic system or element

Copying by holographic means

C359S022000

Reexamination Certificate

active

07061656

ABSTRACT:
A hologram duplicating apparatus (10) includes a first optical system (30) for carrying out exposure recording of holographic stereogram image on a recording medium for hologram to produce an original H1, a second optical system (60) for carrying out exposure recording of image recorded on the original H1on a recording medium for hologram disposed at a predetermined distance from the original H1by using diffracted light obtained by illuminating the original H1to produce intermediate hologram H2, and a third optical system (70) for carrying out exposure recording of image recorded on the intermediate hologram H2on a recording medium for hologram disposed at a predetermined distance from the intermediate hologram H2by using diffracted light obtained by illuminating the intermediate hologram H2to produce edge lit hologram H3.

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