Patent ID: 6636336
Filing Date: 2003-10-21
Classification: G02B,G03H

Abstract:
An apparatus for making holograms, comprising:a reference beam source for generating a reference beam; an object beam source for generating an object beam; a photosensitive material having a first surface and a second surface, said photosensitive material disposed in the beam paths of the beams generated by said reference beam source and said object beam source; an object assembly for sequentially transmitting multiple two-dimensional images of a plurality of data slices upon said photosensitive material, means for varying the apparent distance between said object assembly and said photosensitive material, such that each of said two dimensional images is transmitted onto said photosensitive material at a predetermined apparent respective distance from said photosensitive material; and, a second means for controllably varying a beam splitter assembly to allocate said reference beam and said object beam source into said reference and object beam in accordance with the image content of a plurality of data slices.