High-brightness, compact illuminator with integrated optical elements
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United States of America Patent
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Jun 24, 2008
Grant Date -
Oct 27, 2005
app pub date -
Apr 23, 2004
filing date -
Apr 23, 2004
priority date (Note) -
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Abstract
A compact, high-brightness, integrated illuminator in which collection of light from a point-arc source is maximized by a multi-curvature reflector section configuration of elliptical reflector and segmented spherical retroreflector directing all light rays into a well-defined numerical aperture. The invention also integrates a homogenizer and other optical elements with the multi-curvature reflector section, constructs any or all of these components in a single block of optical material, or, alternatively, constructs these components with molded hollow reflective cavities fabricated in metal or plastic blocks. Cooling is provided by internal fluid channels within the block.
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