Coarse integral holographic display

摘要

A holographic display system for generating a super hologram with full parallax in different fields of view in the horizontal and vertical directions. The system includes an array of holographic display devices, e.g., spatial light modulators (SLMs), operable to provide a plurality of holographic images of a scene from differing viewpoints of the scene. Each SLM is operated concurrently to output a narrow field of view, elemental hologram. The system includes coarse integral optics combining the holographic images into a single hologram (“super hologram”) viewable in a hologram image plane a distance from the course integral optics. The coarse integral optics combine the holographic images by providing angular tiling of the holographic images, e.g., bending the axes of parallel lenses. In this manner, the field of view, in one direction, of the super hologram is based on the number of holographic display devices provided in the array in one direction.

主权项

1. A holographic display system, comprising:
an array of holographic display devices operable to provide a plurality of holographic images of a scene from differing viewpoints of the scene; and a coarse integral optics assembly positioned between the array of holographic display devices and a viewing space for the holographic display system, the coarse integral optics assembly combining the plurality of holographic images into a single hologram viewable in a hologram image plane in the viewing space a distance apart from the course integral optics assembly, wherein the combining by the coarse integral optics assembly comprises angularly tiling the plurality of holographic images such that optical axes of the plurality of holographic images cross at the hologram image plane, whereby the single hologram has continuous horizontal and vertical parallax.