Resonant enhanced frequency converter
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United States of America Patent
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Feb 19, 2019
Grant Date -
Sep 3, 2015
app pub date -
Apr 15, 2015
filing date -
Oct 17, 2012
priority date (Note) -
In Force
status (Latency Note)
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Abstract
A frequency converter for converting a single mode input beam at a fundamental frequency to an output beam at a converted frequency is configured with a plurality of spaced optical components defining a resonant cavity. The optical components shape the input beam with at least one beam waist in the cavity. The frequency converter further includes a non-linear crystal located within the cavity in either a divergent beam with a Rayleigh range smaller than a cavity round trip length so that a center of the crystal is spaced from the beam waist along a beam path, or in a collimated beam with a Rayleigh range greater than the cavity round trip length.
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