Apparatus for producing a hologram
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United States of America Patent
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Jun 13, 2017
Grant Date -
Oct 30, 2014
app pub date -
Dec 7, 2012
filing date -
Dec 7, 2011
priority date (Note) -
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status (Latency Note)
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Abstract
An apparatus for producing a hologram includes a collimation lens configured to receive incoherent light emitted from an object; a spatial light modulator (SLM) that includes at least one diffractive lens which is configured to receive the incoherent light from the collimation lens and split the incoherent light into two beams that interfere with each other; and a camera configured to record the interference pattern of the two beams to create a hologram, wherein a ratio between a distance from the SLM to the camera and a focal length of the diffractive lens is greater than 1.
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