Radiant energy – Radiant energy generation and sources – With radiation modifying member
Reexamination Certificate
2008-07-08
2008-07-08
Berman, Jack I. (Department: 2881)
Radiant energy
Radiant energy generation and sources
With radiation modifying member
C250S493100
Reexamination Certificate
active
07397055
ABSTRACT:
The Smith Purcell effect, in which a beam of electrons passes close to a conducting grating and induces electromagnetic radiation from the grating surface, can be used as a source of THz radiation. A grating composed of negative index metamaterial (NIM) enhances the output of the Smith Purcell source. Of particular interest is the use of a NIM grating in a Smith-Purcell source to provide a tunable coherent CW source of terahertz (THz) radiation.
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Barker Delmar L.
Owens William R.
Berman Jack I.
Maskell Michael
Noblitt & Gilmore LLC
Raytheon Company
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