SPECKLE FREE LASER PROJECTION
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United States of America Patent
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Issued Date -
Oct 1, 2015
app pub date -
Oct 17, 2012
filing date -
Oct 17, 2012
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Abandoned
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Abstract
An optical projection system comprising an image generating laser projector, a diffusive structure and an observer is described. The system is designed such that the light of each image pixel maintains a non-disturbed wavefront through-out the optical system preventing the creation of speckles on the image sensor of the observer.
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