Light source receptacle for fiberoptic illumination

Details Light source receptacle for fiberoptic illumination Light source receptacle for fiberoptic illumination

1990-01-26

1991-12-31

Sikes, William L.

Optical waveguides

Optical fiber bundle

Imaging

128 23, 385 31, G02B 2326

Patent

active

050766600

ABSTRACT:
A fiberoptic bundle or liquid light guide for a borescope, fiberscope or videoscope is coupled to the light source using a light guide coupler having a plurality of air passages to vent excess heat. The illumination unit comprises a fan that draws cool air through the passages into the light source to remove excess heat from the light guide coupler. Heat radiators can be added to the coupler to increase its surface area and to improve heat dissipation. Air baffles can be added to optimize the air flow through the light guide coupler. The light guide coupler thus acts as a heat sink while dissipating excess heat using an air flow caused by the difference in air pressure created by the fan in the illumination unit.

REFERENCES:
patent: 3299884 (1967-01-01), Moore et al.
patent: 3499107 (1970-03-01), Sheldon
patent: 4572609 (1986-02-01), Sakuragi et al.
patent: 4898172 (1990-02-01), Grable

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