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| MOPIK078 |
Narrow-Band, Wide-Range Tuneable THz Source Based on the Slotted-Foil Technique |
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- J. Pfingstner, E. Adli, H. Holmestad
University of Oslo, Oslo, Norway
- S. Bettoni, S. Reiche
PSI, Villigen PSI, Switzerland
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The FEL user community has expressed a strong interest in a THz source for the excitation of their samples in pump probe experiments. The demanded THz properties are challenging to achieve, as they include a narrow bandwidth of <5-10%, the possibility of frequency tuning between 1 and 20 THz, a THz pulse energy of about 100 uJ, and a fixed phase relation from shot-to-shot. To fulfil these specifications, an accelerator-based source is proposed in this paper. It utilises the slotted-foil technique to create a pre-bunched electron beam that is injected into a helical undulator. Detailed simulation studies presented in this paper show that the corresponding undulator radiation has the demanded properties.
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| DOI • |
reference for this paper
※ https://doi.org/10.18429/JACoW-IPAC2017-MOPIK078
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