Tunable micro-optic architecture for combining light beam outputs of dual capillary polarization-maintaining optical fibers
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United States of America Patent
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Nov 23, 2004
Grant Date -
Dec 11, 2003
app pub date -
Jun 11, 2002
filing date -
Jun 11, 2002
priority date (Note) -
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Abstract
A tunable PM fiber combiner is configured to be accurately alignable with and operative to combine into a single composite beam a pair of non-collimated, orthogonally polarized light beams transported over polarization maintaining (PM) optical fibers, whose mutual spatial separation may vary. The combiner includes birefringent elements, that are linearly or rotationally displaced to realize the composite beam. The resulting composite light beam may then be readily coupled (e.g. via a single mode fiber) to a downstream beam processing device, such as a Raman amplifier.
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