Experimental study of a quasi optical-gyrotron operating at the second harmonic

S. Alberti

doi:10.1117/12.2297807

1 October 1991 Experimental study of a quasi optical-gyrotron operating at the second harmonic

S. Alberti

Proceedings Volume 1576, 16th International Conference on Infrared and Millimeter Waves; 15762M (1991) https://doi.org/10.1117/12.2297807
Event: 16th International Conference on Infrared and Millimeter Waves, 1991, Lausanne, Switzerland

Abstract

Experimental results of the first operation of a quasi-optical gyrotron on the second harmonic are presented. With a large (mirror separation d = 329mm) unoptimized Fabry-Pérot resonator (ohmic losses = diffractive losses), a nearly monomode emission (ƒ_RF≃197GHz) at a power level of 8kW has been measured for a beam current of 3A (V_b = 78kV). Numerical simulations show that operation at the second harmonic is highly sensitive to velocity spread.

Citation Download Citation

S. Alberti "Experimental study of a quasi optical-gyrotron operating at the second harmonic", Proc. SPIE 1576, 16th International Conference on Infrared and Millimeter Waves, 15762M (1 October 1991); https://doi.org/10.1117/12.2297807

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