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US 4,286,230 AGranted
Near millimeter wave generator with dielectric cavity
AssigneeThe United States of America as represented by the Secretary of the Army
InventorsClyde A. Morrison, Donald E. Wortman, Richard P. Leavitt, Nick Karayianis
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Abstract
A high frequency electromagnetic wave generator is disclosed which comprises an electron gun which directs an electron beam through a region generally adjacent a diffraction grating. The grating cooperates with an opposed reflecting surface to produce a standing electromagnetic wave. The reflector comprises a highly reflective dielectric coated mirror. Supporting means for the diffraction grating may also comprise a reflective dielectric surface.
Claims8
Apparatus to generate radiation comprising;
- means to generate a beam of electrons;
- a diffraction grating generally adjacent the path of said electron beam;
- and a reflector means cooperating with said diffraction grating to set up a standing electromagnetic wave pattern through which the electron beam passes;
- wherein said reflector means comprises substantially only dielectric materials.
1 more element
Dependencies are inferred from the claim text.