BEAM PROJECTION SYSTEMS AND METHODS
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United States of America Patent
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Issued Date -
Jul 1, 2010
app pub date -
Dec 31, 2009
filing date -
Dec 31, 2008
priority date (Note) -
Abandoned
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Abstract
Throughput efficiency of an optical system is enhanced by using a directional light source coupled to a non-imaging optical element matched to a size and acceptance angle of an imaging lens. In various embodiments, a beam projection system and accompanying method are described that include a lamp body formed from a dielectric material. A bulb, placed adjacent to the lamp body, has a fill that forms a plasma when RF power is coupled to the fill from the lamp body. An optical train is optically coupled to the bulb to transform light generated by the plasma. The optical train includes a non-imaging optical element, an aperture, and at least one imaging lens element.
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