Holographic image generation and reconstruction
AssigneeEmpire Technology Development LLC
InventorEiji Yamaichi
Life of this patent
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Abstract
Technologies are generally described for generating and recording holograms of an object using a plurality of light sources and an array of image sensors arranged to surround the object. In various examples, an apparatus may be configured to irradiate a plurality of light beams from multiple light sources to a corresponding number of beam splitters, which are configured to generate a first portion of the light beams that can be irradiated on the object, and a second portion of the light beams that can be reflected by a mirror unit to generate reference beams. Some apparatus can also include an array of image sensors that may be configured to receive images of interference caused by the reference beams and object beams scattered by the object.
Claims16
A holographic image reconstruction apparatus, comprising:
- a unit configured to receive input signals representing holograms of an object;
- a plurality of ultraviolet light sources, each configured to generate a corresponding ultraviolet light beam based on a respective one of the input signals and irradiate the ultraviolet light beam on a scanning mirror;
- the scanning mirror configured to reflect each of the ultraviolet light beams to generate scan beams;
- a screen configured to surround the plurality of ultraviolet light sources and the scanning mirror and configured to receive the scan beams which are steered at a plurality of angles by the scanning mirror, wherein the screen is coated with a photochromic material and is effective to form the holograms of the object on the screen due to visible light transmittance characteristics of the screen adjusted in response to the scan beams;
- and
- a plurality of reconstruction light sources, each configured to irradiate a reconstruction light beam on the screen to reconstruct images of the object.
A method to reconstruct holographic images, comprising:
- receiving, by a unit, input signals representing holograms of an object;
- generating, by each of a plurality of ultraviolet light sources, a corresponding ultraviolet light beam based on a respective one of the input signals and irradiating the ultraviolet light beam on a scanning mirror;
- reflecting, by the scanning mirror, each of the ultraviolet light beams to generate scan beams;
- receiving the scan beams which are steered at a plurality of angles by the scanning mirror, by a screen that surrounds the plurality of ultraviolet light sources and the scanning mirror and is coated with a photochromic material, to form the holograms of the object on the screen due to visible light transmittance characteristics of the screen adjusted in response to the scan beams;
- and
- irradiating, by each of a plurality of reconstruction light sources, a reconstruction light beam on the screen to reconstruct images of the object.
A non-transitory computer-readable storage medium which stores a program to reconstruct holographic images, the program comprising one or more instructions that are executable by a processor to perform or cause to be performed:
- receiving, by a unit, input signals representing holograms of an object;
- generating, by each of a plurality of ultraviolet light sources, a corresponding ultraviolet light beam based on a respective one of the input signals and irradiating the ultraviolet light beam on a scanning mirror;
- reflecting, by the scanning mirror, each of the ultraviolet light beams to generate scan beams;
- receiving the scan beams which are steered at a plurality of angles by the scanning mirror, by a screen that surrounds the plurality of ultraviolet light sources and the scanning mirror and is coated with a photochromic material, to form the holograms of the object on the screen due to visible light transmittance characteristics of the screen adjusted in response to the scan beams;
- and
- irradiating, by each of a plurality of reconstruction light sources, a reconstruction light beam on the screen to reconstruct images of the object.
Dependencies are inferred from the claim text.