A Two-stage injection-locked magnetron for accelerators with superconducting cavities
Abstract
A concept for a two-stage injection-locked CW magnetron intended to drive Superconducting Cavities (SC) for intensity-frontier accelerators has been proposed. The concept considers two magnetrons in which the output power differs by 15-20 dB and the lower power magnetron being frequency-locked from an external source locks the higher power magnetron. The injection-locked two-stage CW magnetron can be used as an RF power source for Fermilab's Project-X to feed separately each of the 1.3 GHz SC of the 8 GeV pulsed linac. We expect output/locking power ratio of about 30-40 dB assuming operation in a pulsed mode with pulse duration of ~ 8 ms and repetition rate of 10 Hz. The experimental setup of a two-stage magnetron utilising CW, S-band, 1 kW tubes operating at pulse duration of 1-10 ms, and the obtained results are presented and discussed in this paper.
Keywords
Cite
@article{arxiv.1301.6100,
title = {A Two-stage injection-locked magnetron for accelerators with superconducting cavities},
author = {Grigory Kazakevich and Rolland Johnson and Gene Flanagan and Frank Marhauser and Mike Neubauer and Vyacheslav Yakovlev and Brian Chase and Sergey Nagaitsev and Ralph Pasquinelli and Nikolay Solyak and Vitali Tupikov and Daniel Wolff},
journal= {arXiv preprint arXiv:1301.6100},
year = {2013}
}
Comments
3 pp. Presented at the 3rd International Particle Accelerator Conference (IPAC-2012), New Orleans, Louisiana, 20-25 May 2012