Laser-to-fiber coupling apparatus
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United States of America Patent
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Nov 10, 1992
Grant Date -
N/A
app pub date -
Jul 19, 1990
filing date -
Jul 19, 1990
priority date (Note) -
Expired
status (Latency Note)
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Abstract
An apparatus for coupling light from a laser chip into an untreated, unetched optical fiber includes a mounting block to which is attached the chip, and a substrate carrier attached to the block and having a channel space extending axially through the substrate carrier. The fiber has a beveled end with an inner and outer face and is positionable within the channel space such that light emitted by the laser chip strikes the inner face of the beveled end and is totally internally reflected into the fiber core. In an alternate coupling assembly, light from the laser chip is reflected by a mirror to form a beam spot on the inner face of the beveled end where it is likewise totally internally reflected into the fiber.
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