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We present a design study of a pulsed 600 GHz gyrotron operating at the second harmonic for a planned experiment based on a 12 T cryogen-free superconducting magnet and a Varian VUW-8010 electron gun. Threshold current studies and multimode simulations indicate that stable single operation at output powers over 10 kW is achievable.
The paper reports the transient response of the X-band magnicon amplifier as a function of drive frequency and of the magnicon operating parameters, including beam voltage and axial magnetic fields. It is found that the peak in the frequency spectrum of the output pulse is different than twice the frequency of the drive pulse unless the drive pulse was exactly at the center of the magnicon gain curve...
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