Synthetic aperture based real time holographic imaging

Details Synthetic aperture based real time holographic imaging Synthetic aperture based real time holographic imaging

1993-09-09

1995-01-03

Ben, Loha

Optical: systems and elements

Holographic system or element

Using a hologram as an optical element

359 22, 359 23, 359462, G02B 532, G02B 2722, G03H 126

Patent

active

053791339

ABSTRACT:
Apparatus, system, and method is described wherein a synthetic aperture based sequence of image samples are generated with respect to a subject to be stereoscopically imaged. These sample images are presented to the spaced inputs of a holographic integrated combiner screen to be presented at an output aperture in laterally spaced mutual positioning. That spacing is selected, in one aspect, as one-half of the interpupillary distance of human eyes and thus binocular stereoscopic viewing at the aperture is achieved. The combiner screen may be utilized in conjunction with a holographic optical image combiner architecture which additionally employs a lens assembly such as a projecting lens to generate multi-zone outputs, each zone of which may be presented for stereoscopic viewing at a discrete viewing station. Correction for chromatic aberration of the holographic optical components is described.

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"Practical Display Holography", by Graham Saxby, Prentice-Hall International, Ltd., 1988, pp. 228-234, 246-257; 260-272.

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