HOLOGRAPHIC IMAGE PROJECTION WITH HOLOGRAPHIC CORRECTION
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United States of America Patent
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Sep 19, 2024
app pub date -
May 23, 2024
filing date -
Dec 21, 2012
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Abstract
There is provided a method of projection using an optical element having spatially variant optical power. The method comprises combining Fourier domain data representative of a 2D image with Fourier domain data having a first lensing effect to produce first holographic data. Light is spatially modulated with the first holographic data to form a first spatially modulated light beam. The first spatially modulated light beam is redirected using the optical element by illuminating a first region of the optical element with the first spatially modulated beam. The first lensing effect compensates for the optical power of the optical element in the first region.
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