Hologram manufacturing method and apparatus

Details Hologram manufacturing method and apparatus Hologram manufacturing method and apparatus

1994-11-18

1996-03-26

Lerner, Martin

Optical: systems and elements

Holographic system or element

Using modulated or plural reference beams

359 11, 359 21, 359 25, 359 30, G03H 104, G03H 130

Patent

active

055025811

ABSTRACT:
A hologram manufacturing apparatus and a hologram manufacturing method for manufacturing a hologram optical device by a split exposure method are disclosed. The manufacturing apparatus comprises light shield means having a spatial light modulator having a light transparent area and a light non-transparent area thereof controlled corresponding to an input signal, and drive means for driving the spatial light modulator by supplying the signal to the spatial light modulator. The light shield means is arranged closely to a photosensitive material.

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patent: 4964684 (1990-10-01), Iovine
patent: 5016951 (1991-05-01), Deason et al.
patent: 5040864 (1991-08-01), Hong

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