| Autore/i: | G. Castorina et al | ||||
| Titolo: | A Novel Highly Symmetric TM Mode Launcher for Ultimate Brightness Applications | ||||
| Numero: | INFN - 18-01/LNF | ||||
| Data: | 28-02-2018 | ||||
| PACS: | |||||
| Pubblicato su: | |||||
| PDF file: | INFN-18-01-LNF.pdf | ||||
| URL: | |||||
| Abstract: | The R&D of high gradient radiofrequency (RF) devices is aimed to develop innovative accelerating structures based on new manufacturing techniques and materials in order to construct devices operating with the highest accelerating gradient. Recent studies have shown a large increase in the maximum sustained RF surface electric fields in copper structures operating at cryogenic temperatures. These novel approaches allow significant performance improvements of RF photoinjectors. Indeed the operation at high surface fields results in considerable increase of electron beam brilliance. This enhancement requires high field quality in the RF photoinjector and, specifically in the design of the power coupler. In this work we present a novel device for the RF photoinjector: a compact X-band TM01 mode launcher with a fourfold symmetry which minimizes both dipole and quadrupole RF components. |
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