Search Results - "Floettmann, Klaus"

Adiabatic matching section for plasma accelerated beams by Floettmann, Klaus

“…An adiabatic matching section is discussed as option to control the divergence and emittance growth of a beam exiting a plasma channel. Based on a general…”
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rf-induced beam dynamics in rf guns and accelerating cavities by Floettmann, Klaus

“…In this paper, a detailed discussion of the rf-related beam dynamics in rf guns and accelerating cavities is presented. Other rf-gun-related aspects such as…”
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Emittance compensation in split photoinjectors by Floettmann, Klaus

“…The compensation of correlated emittance contributions is of primary importance to optimize the performance of high brightness photoinjectors. While only…”
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Beam dynamics in transverse deflecting rf structures by Floettmann, Klaus, Paramonov, Valentin V.

“…The beam dynamics in transverse deflecting structures, operating in streaking mode, is discussed concentrating on slightly nonrelativistic particle energies…”
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Linearization of the longitudinal phase space without higher harmonic field by Zeitler, Benno, Floettmann, Klaus, Grüner, Florian

“…Accelerator applications like free-electron lasers, time-resolved electron diffraction, and advanced accelerator concepts like plasma acceleration desire…”
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Some basic features of the beam emittance by Floettmann, Klaus

“…Some general features of the beam emittance are discussed. The significance of rms values for the emittance calculation and emittance measurements is…”
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Compression of high-density 0.16 pC electron bunches through high field gradients for ultrafast single shot electron diffraction: The Compact RF Gun by Daoud, Hazem, Floettmann, Klaus, Dwayne Miller, R. J.

“…We present an RF gun design for single shot ultrafast electron diffraction experiments that can produce sub-100 fs high-charge electron bunches in the 130 keV…”
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Erratum: Some basic features of the beam emittance [Phys. Rev. ST Accel. Beams 6 , 034202 (2003)] by Floettmann, Klaus

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Simulation studies for characterizing ultrashort bunches using novel polarizable X-band transverse deflection structures by Marx, Daniel, Assmann, Ralph W., Craievich, Paolo, Floettmann, Klaus, Grudiev, Alexej, Marchetti, Barbara

“…Transverse deflection structures are useful devices for characterizing the longitudinal properties of bunches in electron accelerators. With efforts to produce…”
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Superradiant Cherenkov–wakefield radiation as THz source for FEL facilities by Floettmann, Klaus, Lemery, Francois, Dohlus, Martin, Marx, Michaela, Tsakanov, Vasili, Ivanyan, Mikayel

“…An electron beam passing through a tube of small inner diameter which is lined on the inside with a dielectric layer will radiate energy in the THz range due…”
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Mapping atomic motions with ultrabright electrons: towards fundamental limits in space-time resolution by Manz, Stephanie, Casandruc, Albert, Zhang, Dongfang, Zhong, Yinpeng, Loch, Rolf A, Marx, Alexander, Hasegawa, Taisuke, Liu, Lai Chung, Bayesteh, Shima, Delsim-Hashemi, Hossein, Hoffmann, Matthias, Felber, Matthias, Hachmann, Max, Mayet, Frank, Hirscht, Julian, Keskin, Sercan, Hada, Masaki, Epp, Sascha W, Flöttmann, Klaus, Miller, R J Dwayne

“…The long held objective of directly observing atomic motions during the defining moments of chemistry has been achieved based on ultrabright electron sources…”
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Coherent superposition of orthogonal modes by Floettmann, Klaus

“…The coherent superposition of orthogonal modes can result in transverse offsets, variations of the Rayleigh length and a reduction of the beam quality factor…”
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Equivalence of Gouy and Courant-Snyder phase by Floettmann, Klaus

“…Phys. Rev. A 102, 033507 (2020) The generation of electron vortex beams and the conversion of these beams into beams without angular momentum by means of…”
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Synchronous acceleration with tapered dielectric-lined waveguides by Lemery, F., Floettmann, K., Piot, P., Kärtner, F. X., Aßmann, R.

“…We present a general concept to accelerate nonrelativistic charged particles. Our concept employs an adiabatically-tapered dielectric-lined waveguide which…”
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Quantum mechanical formulation of the Busch theorem by Floettmann, Klaus, Karlovets, Dmitry

“…Phys. Rev. A 102, 043517 (2020) Electron vortex beams offer unique opportunities for the study of chiral or magnetic structures in electron microscopes and of…”
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Spectrally shaped THz pulses from tapered dielectric waveguides by Peetermans, Karel, Richards, Jonah, Kellermeier, Max, Floettmann, Klaus, Lemery, Francois

“…In order to exploit the complete scientific potential of user-oriented accelerator facilities, it is necessary to provide adequate pump sources to enable…”
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Undulator-based production of polarized positrons by Alexander, G., Barley, J., Batygin, Y., Berridge, S., Bharadwaj, V., Bower, G., Bugg, W., Decker, F.-J., Dollan, R., Efremenko, Y., Flöttmann, K., Gharibyan, V., Hast, C., Iverson, R., Kolanoski, H., Kovermann, J.W., Laihem, K., Lohse, T., McDonald, K.T., Mikhailichenko, A.A., Moortgat-Pick, G.A., Pahl, P., Pitthan, R., Pöschl, R., Reinherz-Aronis, E., Riemann, S., Schälicke, A., Schüler, K.P., Schweizer, T., Scott, D., Sheppard, J.C., Stahl, A., Szalata, Z., Walz, D.R., Weidemann, A.

“…Full exploitation of the physics potential of a future International Linear Collider will require the use of polarized electron and positron beams. Experiment…”
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Fundamental characteristics of transverse deflecting field by Paramonov, Valentin, Floettmann, Klaus

“…The Panofsky-Wenzel theorem connects the transverse deflecting force in an rf structure with the existence of a longitudinal electric field component. In this…”
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Self-calibration technique for characterization of integrated THz waveguides by Kellermeier, Max, Lemery, Francois, Floettmann, Klaus, Hillert, Wolfgang, Assmann, Ralph

“…Emerging high-frequency accelerator technology in the terahertz regime is promising for the development of compact high-brightness accelerators and high…”
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Single-side electron multipacting at the photocathode in rf guns by Han, Jang-Hui, Flöttmann, Klaus, Hartung, Walter

“…Multiple electron impacting (multipacting) can take place in rf fields when the rf components are composed of materials with a secondary electron yield greater…”
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