Optical fiber coupler with linear input
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United States of America Patent
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May 21, 1991
Grant Date -
N/A
app pub date -
Oct 4, 1989
filing date -
Oct 4, 1989
priority date (Note) -
Expired
status (Latency Note)
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Abstract
An apparatus to couple a laser beam into a plurality of optical fibers is disclosed. The laser beam, having a naturally rectangular cross sectional area, is passed through a cylindrical lens to focus the laser beam into a focal line. The optical fibers are then arranged in a linear configuration at the focal line to accept the laser beam. A second cylindrical lens may be used to control the length of the focal line to match the length of the linearly configured optical fibers. A method for coupling the laser beam into the linearly configured optical fibers is also disclosed.
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