Device and apparatus for efficient collection and re-direction of emitted radiation
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United States of America Patent
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Mar 5, 2013
Grant Date -
Mar 1, 2012
app pub date -
Sep 1, 2010
filing date -
Sep 1, 2010
priority date (Note) -
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status (Latency Note)
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Abstract
An apparatus is described, including a light source, a lens and two reflectors. A first reflector is positioned to reflect a first portion of light from the light source, wherein the first portion of light is radiated from the light source in a central forward solid angle as defined by an outer edge of the first reflector. The lens is azimuthally horizontal to the light source for accepting a second portion of light from the light source emitted in a peripheral forward solid angle. A second reflector reflects the first portion of light after reflectance from the first reflector and the second portion of light after passing through the lens in a composite beam, wherein the first reflector and the lens are configured such that the first and second portions of light behave as though they were emitted from a point source at the second reflector focus.
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