Electro-optic modulator
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United States of America Patent
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Aug 30, 2016
Grant Date -
Feb 25, 2016
app pub date -
Aug 22, 2014
filing date -
Aug 22, 2014
priority date (Note) -
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Abstract
An electro-optic modulator for a laser beam includes an yttrium vanadate crystal cooperative with a double-pass electro-optic switch. A beam to be modulated passes through the yttrium vanadate crystal and makes a forward and a reverse pass through the electro-optic switch. The electro-optic switch returns the beam to the vanadate crystal selectively in one of two polarization orientations at 90 degrees to each other. Depending on the polarization orientation, the returned beam is transmitted by the crystal along a corresponding one of two about-parallel paths spaced apart from each other.
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