F - Mech Eng,Light,Heat,Weapons – 21 – V
Patent
F - Mech Eng,Light,Heat,Weapons
21
V
F21V 8/00 (2006.01) F21V 9/00 (2006.01)
Patent
CA 2079304
A fiber optic lighting device for providing a light source against and into one end of a fiber optic bundle for use. The device includes a long-life arc lamp which is operably connected within a tubular heat sink. At least one rigid transparent elongated, preferably cylindrical member having ground and polished ends is connected within a mating opening in the heat sink facing the arc lamp, light emitting from the arc lamp passing through the transparent member. The inner polished end of the transparent member includes a dielectric layer appliedthereto which is selected to filter and reflect back into the heat sink at leastsome of the infrared components of the light emitting from the arc lamp. Most, if not all, of the ultraviolet component is filtered out by the transparent member. The light emitting from the outer end of the transparent member is thus absent both ultraviolet and infrared components for further transmission through the fiber optic bundle. An opaque enclosure, a fan for enhanced heat dissipation and additional light-containing and modifying elements are also provided.
Advanced Fiberoptic Technologies Inc.
Churchill David L.
R. William Wray & Associates
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