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| Home > Publications database > RF Performance of a Next-Generation L-Band RF Gun at PITZ |
| Contribution to a conference proceedings/Contribution to a book | PUBDB-2022-06453 |
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2022
JACoW Publishing, Geneva, Switzerland
ISBN: 978-3-95450-215-8
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Please use a persistent id in citations: doi:10.18429/JACoW-LINAC2022-THPOJO03 doi:10.3204/PUBDB-2022-06453
Abstract: A new generation of normal conducting 1.3GHz RF gun was developed to provide a high-quality electron source for superconducting linac driven free-electron lasers like FLASH and European XFEL. Compared to the Gun4 series, Gun5 aims for a 50% increase of the duration of the RF pulse (up to 1 ms at 10 Hz repetition rate) combined with high gradients (up to ~60 MV/m at the cathode). In addition to the improved impedance, the new cavity is equipped with an RF probe to measure and control the amplitude and phase of the RF field inside the gun. The first prototype of the new RF gun was manufactured at DESY and installed at the Photo Injector Test facility at DESY in Zeuthen (PITZ) in October 2021. In mid-October 2021 the RF conditioning began, aiming for achieving the aforementioned RF parameters. The conditioning procedure involves a slow gradual increase in repetition rate, RF pulse duration and peak power while carefully monitoring vacuum conditions and signals from interlock sensors. The results of RF conditioning will be reported.
Keyword(s): Accelerator Physics ; Electron Accelerators and Applications ; electron, particle source ; linear accelerator, superconductivity ; free electron laser ; cavity ; monitoring ; performance ; impedance ; DESY FLASH ; gun ; vacuum ; cavity ; electron ; FEL
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