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@inproceedings{castilla:ipac2021-frxb02, author = {A. Castilla and M. Behtouei and G. Burt and J.C. Cai and A.W. Cross and A. Latina and X. Liu and L.J.R. Nix and B. Spataro and I. Syratchev and X.W. Wu and W. Wuensch and L. Zhang}, % author = {A. Castilla and M. Behtouei and G. Burt and J.C. Cai and A.W. Cross and A. Latina and others}, % author = {A. Castilla and others}, title = {{Development of 36 GHz RF Systems for RF Linearisers}}, booktitle = {Proc. IPAC'21}, pages = {4518--4523}, eid = {FRXB02}, language = {english}, keywords = {cavity, klystron, HOM, linac, impedance}, venue = {Campinas, SP, Brazil}, series = {International Particle Accelerator Conference}, number = {12}, publisher = {JACoW Publishing, Geneva, Switzerland}, month = {08}, year = {2021}, issn = {2673-5490}, isbn = {978-3-95450-214-1}, doi = {10.18429/JACoW-IPAC2021-FRXB02}, url = {https://jacow.org/ipac2021/papers/frxb02.pdf}, note = {https://doi.org/10.18429/JACoW-IPAC2021-FRXB02}, abstract = {{As part of the deign studies, the CompactLight project plans to use an injector in the C-band. Which constitutes a particular complication for the harmonic system in charge of linearising the beam’s phase space, since it means its operation frequency could be higher than the standard X-band RF technologies. In the present work, we investigated a 36 GHz (Ka-band) as the ideal frequency for the harmonic system. A set of structure designs are presented as candidates for the lineariser, based on different powering schemes and pulse compressor technologies. The comparison is made both in terms of beam dynamics and RF performance. Given the phase stability requirements for the MW class RF sources needed for this system, we performed careful studies of a Gyro-Klystron and a multi-beam klystron as potential RF sources, with both showing up to 3 MW available power using moderate modulator voltages. Alternatives for pulse compression at Ka-band are also discussed in this work.}}, }