System, apparatus and method for using birefringent lenses to create holograms from received electromagnetic radiation
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United States of America
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Sep 24, 2019
Grant Date -
Feb 23, 2017
app pub date -
Apr 30, 2015
filing date -
Apr 30, 2015
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Abstract
The inventors have discovered a method to improve image quality in holography and, for the first time, utilize lenses made from birefringent materials to advantageously split an incoming beam of either coherent or incoherent light into two coincident beams with different focal lengths that interfere with one another and thus create holograms free of electro-optical or pixelated devices. This discovery has many advantages over current methods to create holograms in which many components, including multiple lenses, other electro-optical devices, and/or beam paths are necessary to create holograms. The current invention provides a purely optical holographic process which has better performance and holographic simplicity, in addition to being able to miniaturize holographic processes more than is currently possible in state of the art holography systems.
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