M.K. Hornstein, M.A. Shapiro
We report the design of a gyrotron oscillator for continuous operation at 460 GHz at a power level of 25 to 100 W. The gyrotron oscillator will be used for electron paramagnetic resonance (EPR) studies at 460 GHz and for dynamic nuclear polarization (DNP) studies with a 700 MHz, 16.5 T NMR system. The gyrotron design is closely modeled on a previous successful design of a 25 W, 250 GHz CW gyrotron oscillator. The present design will operate at second harmonic of the cyclotron frequency, ω ≅ 2ωc. Second harmonic operation requires careful analysis in order to optimize the oscillator design under conditions of high ohmic loss. In addition, an internal mode converter will be used. The output radiation will travel out of the tube through a window and perpendicular to the magnetic field through a cross-bore pipe in the magnet. Details of the experimental design will be presented.
@article{23430f7a-e709-4935-83b3-06ac4267bf07,
title={A 460 GHz gyrotron oscillator for use in},
author={M.K. Hornstein and M.A. Shapiro},
year={2026},
language={en}
}TY - JOUR TI - A 460 GHz gyrotron oscillator for use in AU - M.K. Hornstein AU - M.A. Shapiro PY - 2026 LA - en ER -
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