Method of combining multiple Gaussian beams for efficient uniform illumination of one-dimensional light modulators
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United States of America Patent
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Issued Date -
Sep 3, 2009
app pub date -
Oct 20, 2008
filing date -
Oct 18, 2007
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Abandoned
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Abstract
An illumination system for transforming at least one laser light beam having a non-uniform distribution in a first axis and a second axis to a beam having a substantially uniform distribution in the first axis while preserving the non-uniform distribution in the second axis. The transformed beam may be imaged as a line image onto a one-dimensional light modulation device. The illumination system may comprise a light tunnel having two sides that interact with the at least one laser light beam in the first axis and two sides that do not interact with the light in the second axis.
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