Light-diffusing device for an optical fiber, methods of producing and using same, and apparatus for diffusing light from an optical fiber
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United States of America Patent
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Aug 31, 1999
Issued Date -
N/A
app pub date -
Mar 17, 1997
filing date -
Oct 31, 1995
priority date (Note) -
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status (Latency Note)
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Abstract
A diffusing tip is provided for diffusing light from a light-emitting end of an optical fiber in a radial distribution pattern relative to the axis of the tip and along a length of the tip. The tip has an inner core and an outer covering which define a light guide. The outer covering is modified on its interior surface adjacent to the core such that light transmitted down the light guide is removed from the core upon encountering a surface modification on the interior surface. The light so removed is transmitted to the outer surface along the length of the tip, where it can be used to irradiate a selected object or material. The diffusing tip preferably provides light in a substantially uniform intensity distribution for the substantially uniform irradiation of a selected object or material.
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