laser wakefield electron acceleration
Ionization induced electron injection in laser wakefield acceleration
... simple electron injection method in laser wakefield acceleration, which relies on the ionization of the inner shell electrons of a High Z ...strong laser electric field there and then ...
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Multi-chromatic narrow-energy-spread electron bunches from laser wakefield acceleration with dual color lasers
... the laser amplitude is lower than the K-shell ionization ...when laser peak field exceeds the effective ionization threshold of the nitrogen inner shell, and also consist with the three injected ...larger ...
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Influence of a Static Magnetic Field on Beam Emittance in Laser Wakefield Acceleration
... In Laser Wake-Field Acceleration (LWFA) [1-4], a laser creates a plasma wave wakefield with a phase velocity close to the speed of light ...The acceleration gradi- ents in these ...
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Ultralow-emittance measurement of high-quality electron beams from a laser wakefield accelerator
... grid cell size was 𝜆 𝐿 /25 in the propagation direction and 𝜆 𝐿 /12 in the transverse direction. By choosing the plasma density close to the experimental condition, as shown in Fig. 4(a), a high-quality e beam can be ...
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Proton driven plasma wakefield acceleration in AWAKE
... Available laser pulses and electron bunches carry energies of around 20 J, but proton bunches (for example at the European Organization for Nuclear Research, CERN) can carry energies of many tens of ...
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Influence of a Magnetic Guide Field on Self Injection in Wakefield Acceleration
... et al. [15] in the case of a transverse constant magnetic field that a static magnetic field can play an important part in order to control the electron injection in the ac- celerating cavity, it should play a ...
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Near threshold electron injection in the laser plasma wakefield accelerator leading to femtosecond bunches
... Here we show that just above the threshold for injection it is necessary to take into account the build-up of charge in the sheath-crossing region, as schematically shown in figure 1. We show that near-threshold injection ...
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Laser wakefield acceleration with active feedback at 5 Hz
... accelerated electron beams were measured using a magnetic spectrometer, consisting of a ...of electron beams. The electron beam profile could be measured by inserting a Lanex screen before the ...
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AWAKE, The Advanced Proton Driven Plasma Wakefield Acceleration Experiment at CERN
... the laser room and the klystron area during the operation of the electron beam, an appropriate shielding wall around the electron gun has to be ...During electron operation radi- ation levels ...
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Demonstration of passive plasma lensing of a laser wakefield accelerated electron bunch
... femtosecond laser accelerates electrons in a laser wakefield accelerator (LWFA) to 100 MeV over millimeter length ...LWFA electron beam divergence from an initial value of ...to ...
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Axionic suppression of plasma wakefield acceleration
... intense laser pulse, or charged particle bunch, propagating rectilinearly through a laboratory plasma will drive an inhomogeneity in the plasma electron density that trails behind the pulse or ...plasma ...
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Hybrid modeling of relativistic underdense plasma photocathode injectors
... increased electron bunch quality by employing an underdense photo- cathode plasma wakefield mechanism [33]—the equivalent of a solid photocathode in radio frequency (rf ) photoinjec- tor guns ...pulse ...
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Axionic suppression of plasma wakefield acceleration
... intense laser pulse, or charged particle bunch, propagating rectilinearly through a laboratory plasma will drive an inhomogeneity in the plasma electron density that trails behind the pulse or ...plasma ...
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Acceleration and radiation of externally injected electrons in laser plasma wakefield driven by a Laguerre-Gaussian pulse
... of laser wakefield acceleration (LWFA) which shows great potential to realize compact accelerator with GeV/cm acceleration ...ultrashort laser pulse enters into an underdense plasma, ...
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Wide-angle electron beams from laser-wakefield accelerators
... in laser technology have driven the development of laser-wakefield accelerators, compact devices that are capable of accelerating electrons to GeV energies over centimetre distances by exploiting the ...
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Directions in plasma wakefield acceleration
... intense electron packets with kA-scale currents in especially compact ...These electron packets can also be useful as beam drivers of PWFA stages in hybrid setups [24], an approach which is only just ...
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Osterhoff, Jens (2009): Stable, ultra-relativistic electron beams by laser-wakefield acceleration. Dissertation, LMU München: Fakultät für Physik
... ing laser pulses traverse this crystal on nine successive passes in a triangular shape (see figure ...Nd:YAG laser with 25 mJ stored in each pulse of several nanoseconds duration arriv- ing at 10 Hz ...
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Near-threshold electron injection in the laser-plasma wakefield accelerator leading to femtosecond bunches
... Here we show that just above the threshold for injection it is necessary to take into account the build-up of charge in the sheath-crossing region, as schematically shown in figure 1. We show that near-threshold injection ...
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Three electron beams from a laser-plasma wakefield accelerator and the energy apportioning question
... the laser axis or located at a distance larger than the bubble radius gain little energy and are scattered at large angles or left ...longer acceleration lengths, but typically have exponential spectra, ...
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Quasimonoenergetic electron acceleration in the self-modulated laser wakefield regime
... temporary electron-ion separation in longitudinal plasma ...scale. Laser pulses focused to high intensities can effectively excite such plasma waves and the “Laser Electron Accelerator” was ...
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