| Home > Publications database > THz SASE FEL at PITZ: lasing at a wavelength of 100µm |
| Contribution to a conference proceedings/Contribution to a book | PUBDB-2023-01479 |
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2023
JACoW Publishing
Geneva, Switzerland
ISBN: 978-3-95450-231-8
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Please use a persistent id in citations: doi:10.18429/JACOW-IPAC2023-THZG2 doi:10.18429/JACoW-IPAC2023-THZG2 doi:10.3204/PUBDB-2023-01479
Abstract: Development of an accelerator-based tunable THz source prototype for pump-probe experiments at the Eu-ropean XFEL is ongoing at the Photo Injector Test facility at DESY in Zeuthen (PITZ). The proof-of-principle exper-iments on the THz SASE FEL are performed utilizing the LCLS-I undulator installed in the PITZ beamline. The first lasing at a center wavelength of 100 µm was ob-served in the summer of 2022. The lasing of the narrow-band THz source was achieved using an electron beam with an energy of ~17 MeV and a bunch charge up to several nC. Optimization of beam transport and matching resulted in the measurement of THz radiation with a pulse energy of tens of µJ, measured with pyroelectric detectors. The THz FEL gain curves were measured by means of specially designed short coils along the undulator. The results of the first characterization of the THz source at PITZ will be presented.
Keyword(s): Accelerator Physics ; mc2-photon-sources-and-electron-accelerators - MC2: Photon Sources and Electron Accelerators ; mc2-a06-free-electron-lasers - MC2.A06: Free Electron Lasers
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