Tunable laser source with a self-aligned external cavity and a retro-reflecting-dispersing device
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United States of America Patent
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Jan 15, 2002
Grant Date -
Aug 2, 2001
app pub date -
Jan 22, 2001
filing date -
Feb 15, 1999
priority date (Note) -
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Abstract
Optical reflector for receiving an input beam and transmitting a retro-reflected reciprocal output beam. The optical reflector includes a beam splitter for splitting the input beam into first and second secondary beams. The first and second secondary beams being parallel to one another. A reflecting system is also included for redirecting the first and second secondary beams toward the beam splitter. The reflecting system including a total reflector. The beam splitter and the reflecting system are self-aligned.
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