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Creators/Authors contains: "Ody, A"

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  1. ; ; ; ; ; (, Physical Review Applied)
    Full Text Available 
  2. ; ; ; ; (, Optics Express)
    Extremely high beam-to-radiation energy conversion efficiencies can be obtained in a THz FEL using a strongly tapered helical undulator at the zero-slippage resonant condition, where a circular waveguide is used to match the radiation group velocity to the electron beam longitudinal velocity. In this paper we report on the first electro-optic sampling (EOS) based measurements of the broadband THz FEL radiation pulses emitted in this regime. The THz field waveforms are reconstructed in the spatial and temporal domains using multi-shot and single-shot EOS schemes respectively. The measurements are performed varying the input electron beam energy in the undulator providing insights on the complex dynamics in a waveguide FEL. 
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  3. ; ; ; ; ; ; ; (, Nature Photonics)
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  4. ; ; ; (, Physical Review Accelerators and Beams)
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