[PDF] Top 20 Electron energy increase in a laser wakefield accelerator using up-ramp plasma density profiles
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Electron energy increase in a laser wakefield accelerator using up-ramp plasma density profiles
... second ramp in case ii are similar to the ...the laser self-focuses during its propagation through the first ramp and by the end of the rising ramp self-injection ...higher density, in ... See full document
7
Ultralow-emittance measurement of high-quality electron beams from a laser wakefield accelerator
... Longitudinal plasma density profile in simulations. (b)-(f) Plasma density distribution and wakefield structure in the 2D PIC simulation at x = ...peak energy (black curve) and ... See full document
13
Generation of electron high energy beams with a ring-like structure by a dual stage laser wakefield accelerator
... The plasma bubble produces both longitudinal acceleration fields and transverse focusing ...the increase in the X-ray flux when rings are observed. The peak energy of the on-axis electron beam ... See full document
8
Electron trapping and acceleration on a downward density ramp: a two-stage approach
... 215004), electron bunches with about 1 MeV mean energy and small absolute energy spread (about ...by plasma wave breaking on a downward density ...a plasma of low constant ... See full document
10
Towards attosecond high-energy electron bunches : controlling self-injection in laser wakefield accelerators through plasma density modulation
... nonevolving plasma wave [15 – 17], but predict higher intensity and density requirements for injection to take place than those observed experimentally ...proposed, using trans- verse magnetic fields ... See full document
6
High-energy coherent terahertz radiation emitted by wide-angle electron beams from a laser-wakefield accelerator
... High-charge electron beams produced by laser-wakefield accelerators are potentially novel, scalable sources of high-power terahertz radiation suitable for applications requiring high-intensity ...intense ... See full document
11
Multistage coupling of laser-wakefield accelerators with curved plasma channels
... level electron-positron linear collider [14, 15]. How- ever, the energy gained by electrons in a single-stage LWFA is limited by several effects, including electron dephasing, laser ... See full document
6
Coherent terahertz radiation emitted by wide-angle electron beams from a laser-wakefield accelerator
... femtosecond-duration electron bunches with energies from 10s of MeV to several GeV in millimetre distances by exploiting the large accelerating gradients created when a high-intensity laser pulse propagates ... See full document
7
Demonstration of passive plasma lensing of a laser wakefield accelerated electron bunch
... bunch density for Thomson backscattering sources [16 – ...the plasma lens effect is in many ways important for beam shaping of LWFA- generated electron bunches after the accelerator stage and ... See full document
9
Dense attosecond electron sheets from laser wakefields using an up-ramp density transition
... Ultrashort electron bunches are of key importance for future ultrafast science, either in probing ultrafast processes or for driving ultrashort ...such electron bunches via laser-plasma ... See full document
5
Faraday-rotation self-interference method for electron beam duration measurement in the laser wakefield accelerator
... in laser wakefield accelerators (LWFAs) in the past few ...quasi-monoenergetic electron beams from LWFA are available using the steady laser equipment and gas ...4] Electron ... See full document
11
Optical plasma torch electron bunch generation in plasma wakefield accelerators
... sharp electron density transitions in front of the electron beam-driven plasma wave to trigger ...be plasma electron density shaping at the exit and entrance of a ... See full document
6
Applications of laser wakefield accelerator based light sources
... of laser-wakefield acceleration and its sensitivity to nonideal laser beam and plasma density profiles ...experiments, electron beam spectra typically have less than 10% ... See full document
80
Observation of laser power amplification in a self injecting laser wakefield accelerator
... of plasma den- sity in fig. 2. For the plots of pulse energy transmis- sion ...accelerated electron energy ...a density bin width of ...maximum electron energy was ... See full document
6
First measurements of Trojan Horse injection in a plasma wakefield accelerator
... and wakefield, including an improved temporal jitter by an order of magnitude, b) wider plasma channels, c) collinear experimental setup, whereas the 2016 E210 realization has used a 90° geome- try due to ... See full document
6
Near-threshold electron injection in the laser-plasma wakefield accelerator leading to femtosecond bunches
... and density ramp injection, but for the purpose of this paper we restrict ourselves to a LWFA driven by a single laser pulse in plasma with uniform ... See full document
13
Undulator radiation driven by laser-wakefield accelerator electron beams
... the laser and plasma emission. Shown in Figure 5 are typical electron beam profiles at BPM3 for two different locations for a thick beam block (50 µm thick aluminium): more upstream at 700 mm ... See full document
7
Near threshold electron injection in the laser plasma wakefield accelerator leading to femtosecond bunches
... CTR electron bunch length measurements from a LWFA driven by a single laser beam for two different experimental conditions, observing 1 – 2 fs structure containing ∼ 10 pC of charge, resulting in 1–10 kA ... See full document
13
Three electron beams from a laser-plasma wakefield accelerator and the energy apportioning question
... a plasma at a constant velocity and surrounded by a thin electron ...the laser axis or located at a distance larger than the bubble radius gain little energy and are scattered at large angles ... See full document
10
Mass selection in laser-plasma ion accelerator on nanostructured surfaces
... the energy spectra of the neutral atoms with laser defocusing as derived from the AT signals when 150 mJ pulses (the corresponding intensity when w ≈ 12 µm is ≈ 10 18 W/cm 2 ) are incident on the ...to ... See full document
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