Millimeter-wave orotron oscillation - Part II: Experiment
- 1 August 1981
- journal article
- Published by Institute of Electrical and Electronics Engineers (IEEE) in IEEE Journal of Quantum Electronics
- Vol. 17 (8) , 1341-1348
- https://doi.org/10.1109/jqe.1981.1071274
Abstract
Experimental observation of orotron oscillation is reported in the frequency band from 53 to 73 GHz. The output power in a quasi-CW mode and beyond an output window is approximately 100 mW at a beam current of 90-100 mA. Oscillation has been observed on several modes of the open resonator of the orotron, with starting currents ranging from 35 to 82 mA. The electronic tuning transconductance within a single mode was measured by mixing the orotron signal with another signal from a klystron, yieldingdf/dV = 0.25MHz/V. The spectrum of the orotron output signal was also measured by this method, and the linewidth was determined to be less than 0.4 MHz at 70 GHz.Keywords
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