Fiber for lateral beaming of laser beam
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United States of America Patent
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Apr 26, 1988
Grant Date -
N/A
app pub date -
Mar 19, 1986
filing date -
Mar 26, 1985
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A fiber for lateral beaming of a laser beam, wherein an affected portion in a cavity of an internal organ in a living body is irradiated by the laser beam in a through-endoscopic manner. The fiber for lateral beaming of the laser beam is constructed such that a transparent tubular member is coupled to the forward end portion of a fiber through two coating layers, and an anti-reflection coating layer is formed on a laser beam exiting surface of the transparent tubular member. Owing to the anti-reflection coating layer, this fiber for lateral beaming is free from the harmful leaking beam. Since the transparent tubular member is connected to the fiber through the two coating layes, the fiber can avoid being broken.
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