Method of accelerating photons by a relativistic plasma wave
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United States of America Patent
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Jun 26, 1990
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N/A
app pub date -
Sep 14, 1988
filing date -
Sep 14, 1988
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Expired
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Abstract
Photons of a laser pulse have their group velocity accelerated in a plasma as they are placed on a downward density gradient of a plasma wave of which the phase velocity nearly matches the group velocity of the photons. This acceleration results in a frequency upshift. If the unperturbed plasma has a slight density gradient in the direction of propagation, the photon frequencies can be continuously upshifted to significantly greater values.
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