M. Hornstein, V. Bajaj, R. Griffin, K. Kreischer, I. Mastovsky, M. Shapiro, R. Temkin
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Design of a 460 GHz second harmonic gyrotron oscillator for use in dynamic nuclear polarization
We report the design of a gyrotron oscillator for continuous operation at 460 GHz at a power level of up to 50 W. The gyrotron oscillator will be used in dynamic nuclear polarization (DNP) NMR (nuclear magnetic resonance) studies with a 700 MHz (/sup 1/H), 16.5 T NMR spectrometer and will operate at the second harmonic of the electron cyclotron frequency.