Faraday rotator for an optical isolator
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United States of America Patent
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Apr 5, 2016
Grant Date -
Jul 16, 2015
app pub date -
Jan 13, 2014
filing date -
Jan 13, 2014
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Abstract
A Faraday rotator includes two magnet sub-assemblies assemblies spaced apart and aligned with each other with a gap therebetween. Each magnet sub-assembly includes a central magnet magnetized in direction parallel to the gap. The central magnet is sandwiched between two end magnets magnetized in a direction perpendicular to the gap. A magneto-optic crystal is located in the gap between the central magnets.
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