32 citations · 136 across the 11 of their papers we have counts for
13 papers
Optimization of the Resolution of a Streaking Setup
F. Mayet, K. Floettmann
In low regimes the inevitable induced energy spread in combination with longitudinal dispersion during the drift through a transverse deflecting structure (TDS) can alter the p…
Predicting the transverse emittance of space charge dominated beams using the phase advance scan technique and a fully connected neural network
F. Mayet, M. Hachmann, K. Floettmann +5
The transverse emittance of a charged particle beam is an important figure of merit for many accelerator applications, such as ultra-fast electron diffraction, free electron lasers…
Coherent superposition of orthogonal modes
Klaus Floettmann
The coherent superposition of orthogonal modes can result in transverse offsets, variations of the Rayleigh length and a reduction of the beam quality factor of the coherent sum of…
Self-calibration technique for characterization of integrated THz waveguides
Max Kellermeier, Francois Lemery, Klaus Floettmann +2
Emerging high-frequency accelerator technology in the terahertz regime is promising for the development of compact high-brightness accelerators and high resolution-power beam diagn…
Equivalence of Gouy and Courant-Snyder phase
Klaus Floettmann
The generation of electron vortex beams and the conversion of these beams into beams without angular momentum by means of astigmatic optical systems, or vice versa, has been pursue…
Quantum mechanical formulation of the Busch theorem
Klaus Floettmann, Dmitry Karlovets
Electron vortex beams offer unique opportunities for the study of chiral or magnetic structures in electron microscopes and of fundamental effects of quantum interference in partic…
Superradiant Cherenkov-Wakefield radiation as THz source for FEL facilities
Klaus Floettmann, Francois Lemery, Martin Dohlus +3
An electron beam passing through a tube which is lined on the inside with a dielectric layer will radiate energy in the THz range due to the interaction with the boundary. The reso…
Plasma Lenses: Possible alternative OMD at the ILC
Manuel Formela, Niclas Hamann, Klaus Floettmann +3
In the baseline design of the International Linear Collider (ILC) an undulator-based source is foreseen for the positron source in order to match the physics requirements. The rece…
Fundamental characteristics of transverse deflecting field
Valentin Paramonov, Klaus Floettmann
The Panofsky-Wenzel theorem connects the transverse deflecting force in an rf structure with the existence of a longitudinal electric field component. In this paper it is shown tha…
Direct Measurement of Focusing Fields in Active Plasma Lenses
J. -H. Röckemann, L. Schaper, S. K. Barber +17
Active plasma lenses have the potential to enable broad-ranging applications of plasma-based accelerators owing to their compact design and radially symmetric kT/m-level focusing f…
An Adiabatic Phase-Matching Accelerator
Francois Lemery, Klaus Floettmann, Philippe Piot +2
We present a general concept to accelerate non-relativistic charged particles. Our concept employs an adiabatically-tapered dielectric-lined waveguide which supports accelerating p…
Chirp mitigation of plasma-accelerated beams using a modulated plasma density
R. Brinkmann, N. Delbos, I. Dornmair +13
Plasma-based accelerators offer the possibility to drive future compact light sources and high-energy physics applications. Achieving good beam quality, especially a small beam ene…
Plasma-driven ultrashort bunch diagnostic
I. Dornmair, C. B. Schroeder, K. Floettmann +2
Ultrashort electron bunches are crucial for an increasing number of applications, however, diagnosing their longitudinal phase space remains a challenge. We propose a new method th…