Holographic reconstruction system with an arrangement of controllable microcells
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United States of America Patent
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Mar 26, 2013
Grant Date -
Aug 5, 2010
app pub date -
May 21, 2008
filing date -
May 21, 2007
priority date (Note) -
Expired
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Abstract
A holographic reconstruction system is disclosed for the three-dimensional reconstruction of object light spots of a scene, comprising spatial light modulation elements which modulate interference-capable light waves of illumination means with at least one video hologram, and optical focussing elements which focus the modulated light waves with the reconstructed object light spots for at least one eye position of the observer's eyes. An electro-optical deflection element controlled by a system controller focuses the modulated light wave with the reconstructed object light spots on at least one eye position and tracks them when the eye position changes. The electro-optical deflection element is a controllable optical diffraction grating with a variable surface relief structure consisting of separately controllable microcells.
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