Method and apparatus for generating terahertz radiation
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United States of America Patent
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Issued Date -
Jan 27, 2005
app pub date -
May 14, 2004
filing date -
May 16, 2003
priority date (Note) -
Abandoned
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Abstract
The invention is a method and apparatus for generating terahertz radiation. The terahertz source is a versatile terahertz device that can be configured to transmit a plurality of wavelengths, thereby facilitating the detection of multiple contaminants using a single source device. In one embodiment, the Smith-Purcell radiation effect is exploited by passing an electron beam over a modulated conducting surface, wherein the spacing of the periods of the modulated surface is varied. The variations in the modulated surface enable the source to produce light of varying wavelengths.
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