| 摘要 |
An illuminating apparatus is provided that may include a housing within which a lamp assembly may be disposed and adapted to produce a beam of light that will be transmitted to a fiber optic cable that has an input end disposed to receive the beam of light produced by the lamp assembly. A means for insulating the input end of the fiber optic cable from heat generated within the housing by the lamp assembly and other exothermic components may be disposed between the input end of the fiber optic cable and the lamp assembly. A fiber head may be provided for retaining the means for insulating and aligning the input end of the fiber optic cable for receipt of the beam of light. The means for insulating may be a fused bundle of glass fiber that insulates the input end of the fiber optic cable from heat, allows the beam of light to be transmitted to the input end in a substantially collimated manner and allows a focal point to me established and maintained proximate the surface of the input end. A method for retrofitting fiber optic light sources may include removing a fiber head from the light source and configuring it with a fiber optic glass to insulate the input end of a fiber optic cable from heat generated within the light source. The fiber head may then be replaced in the unit in the field and a second fan arrangement may be removed from the unit.
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