Illumination – Revolving
Patent
1996-01-23
1998-03-31
Cariaso, Alan
Illumination
Revolving
362301, 362302, 362346, F21V 714
Patent
active
057330280
ABSTRACT:
Apparatus is disclosed that efficiently projects electromagnetic radiation over a predetermined spherical sector with a tailored intensity distribution. The apparatus includes a base having a cavity and aperture that faces the spherical sector to be illuminated, with a flat, ring-shaped shoulder surrounding the aperture. The apparatus further includes a mask spaced over the aperture and a baffle projecting from the mask toward the aperture. The base, the mask, and the baffle are formed of a material having an outer surface with a significant diffuse, reflective characteristic. A source emits electromagnetic radiation (e.g., visible light) into the base cavity, and the base, mask and baffle are configured to redirect this radiation outwardly with the tailored intensity distribution (e.g., a uniform distribution) over the predetermined spherical sector (e.g., a hemisphere, or 2.PI. steradians).
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Epling Bobby L.
Rains, Jr. Jack C.
Ramer David P.
Ritter Michael P.
Schmitt Mark G.
Advanced Optical Technologies, LLC.
Cariaso Alan
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