A device for providing electromagnetic oscillations in the sub-millimeter range comprising one or more electron beam generators for providing a first and a second electron beam and one or more magnetic field generators for focusing the first and second electron beams. The device may comprise an oscillator...http://www.google.fr/patents/US7679462?utm_source=gb-gplus-shareBrevet US7679462 - Apparatus and method for producing electromagnetic oscillations
Apparatus and method for producing electromagnetic oscillations
