Delivery system for high-energy pulsed ultraviolet laser light
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United States of America Patent
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Mar 22, 1988
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N/A
app pub date -
Sep 25, 1985
filing date -
Dec 7, 1984
priority date (Note) -
Expired
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Abstract
The density of the energy that is conducted within a fiber-optic waveguide is increased by means of an energy coupler at the input end of the optical fiber. This energy coupler comprises a fused or ground lens at the input end of a silica-based fiber. A second lens, preferably a plano-convex lens, focusses a large collimated laser beam to a point source. The lens at the end of the fiber is located at a distance greater than the focal length of the second lens, so as to receive light from the point source and couple it into the fiber.
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