[PDF] Top 20 Towards plasma-driven free-electron lasers

... path towards a plasma-based FEL is extremely ...of electron beam generation and acceleration within the plasma has to be ...the plasma happen on µm length and femtosecond (fs) time ... See full document

... GeV electron – positron pair jets and g-ray fl ashes are still rarely produced in the ...near-critical-density plasma channel with two 10 PW-scale laser pulses, highly directional GeV electron – ... See full document

... laser plasma electron acceleration experiments basically carried out in a single-shot mode may not ensure the performance of laser-driven electron beams in practical applications, the ... See full document

... The electron source is installed in an adjacent room ...The electron transfer line consists of an achromatic dog-leg to raise the electron beam up to the level of the proton line and a part which ... See full document

... a plasma wave with a helical rotating structure and which carries ...longitudinal plasma wave driven by the beating of two Gaussian lasers, where transverse profiles depend only on ... See full document

... the electron beam onto the proton beam ...a free aperture of 10 mm about ...the plasma cell without significant changes of the beam spot ...the electron beam line compensate systematic align- ... See full document

... x-ray free- electron lasers (FELs) [1] there are new possibilities to explore matter on atomic and single molecule ...degenerate electron gas in metals and in warm dense matter [2], and must ... See full document

... multi-petawatt lasers and a density-modulated ...hot electron refluxing and thus alleviates plasma ...solid-density plasma of a few microns can be uniformly accelerated to about 25% of the ... See full document

... relativistic electron mass increase in the CPEM wave fields produce stimulated scattering instabil- ities, two-plasmon decay instability, 24–28 as well as modula- tional and filamentational ...tron plasma ... See full document

... from plasma accelerator stages and their transport is highly problematic, and second the minimized energy spread enables a strongly broadened range of ...laser driven schemes, the dephasing-free PWFA ... See full document

... The recent advent and active operation of X-ray free electron lasers (FEL) enabled this machine to capture the image of atoms and molecules in motion. These ma- chines are routinely running ... See full document

... the plasma down-ramp region, however, rapid evolution of is found, as also presented in ...the electron magnetohydrodynamic fluid model is sufficient since the ion motion is negligible in this short period ... See full document

... The averaged elliptical FEL model was also compared with the numerical simulations of an unaveraged FEL model using the Puf fi n code which is also able to model elliptically polarised undulators ( also in 3D ) . Overall, ... See full document

... LPA driven FEL which assumed Gaussian distributions for the electron pulse duration and other electron ...An electron bunch with LPA – like parameters as given in table 1 was used for ... See full document

... Ultrafast lasers output ultra-short pulses with pulse widths ranging from picoseconds down to ...Short-pulse lasers have become greatly important in recent years for many technologies, including laser ... See full document

... To illustrate the effects in a practical example, results from 3D Puffin simulations using parameters which may be expected from a laser plasma accelerator driven SASE FEL are now shown, displaying strong ... See full document

... power lasers provide relativistic intensities beyond 10 18 Wcm −2 and can be utilized to accelerate particles such as electrons[98, ...intense lasers started to develop interesting new physics when the gen- ... See full document

... The electron source is installed in an adjacent room ...The electron transfer line consists of an achromatic dog-leg to raise the electron beam up to the level of the proton line and a part which ... See full document

... becomes spatially dependent broadening the emission spectrum. One important criterion for QFEL optimization is to fulfill the condition 𝑎 ! < 1 to overcome the laser diffraction and resultant spectral broadening. From ... See full document

... proposed plasma modulators are well within current capabilities. First, the plasma wave excitation by an ultrashort pulse is a well-known technique, which has been widely adopted for laser wakefield ... See full document