Structures and methods for coupling energy from an electromagnetic wave
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United States of America Patent
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Jul 7, 2009
Issued Date -
N/A
app pub date -
Mar 12, 2007
filing date -
Sep 30, 2005
priority date (Note) -
Expired
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Abstract
A device couples energy from an electromagnetic wave to charged particles in a beam. The device includes a micro-resonant structure and a cathode for providing electrons along a path. The micro-resonant structure, on receiving the electromagnetic wave, generates a varying field in a space including a portion of the path. Electrons are deflected or angularly modulated to a second path.
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