Angled optical fiber input end face and method for delivering energy
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United States of America Patent
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-
Feb 26, 1991
Grant Date -
N/A
app pub date -
Oct 16, 1989
filing date -
Oct 16, 1989
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A fiber optic treatment probe (10) delivers laser light from a laser light source (11) through a diffuser (26). An input end face (30) of the fiber is angled with respect to a plane (36) normal to an optical axis (18) of the fiber. The end face angle is selected to excite desired modes of the fiber without exceeding the critical angle of the fiber, thereby producing a desired light output from the diffuser.
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