free-electron laser beams
Velocity dispersion of correlated energy spread electron beams in the free electron laser
... the electron beam as it slips to the head of the electron ...generated beams are typically roughly an order of magnitude shorter than the beam used here, so this can be an expected feature while ...
9
A high average current electron source for the Jefferson Laboratory free electron laser
... the electron sources for synchrotrons since their conception, but cannot be used to produce the high brightness beams required for short wavelength, high power ...short electron bunch is produced in ...
225
The ion channel free-electron laser with varying betatron amplitude
... The free-electron laser (FEL) [1, 2] produces highly coherent, ultra-short duration light pulses with extremely high peak brilliance, and photon energies extending to above 10 ...energy ...
13
Modelling a laser plasma accelerator driven free electron laser
... In spite of the agreement between GENESIS and PUFFIN was in general excellent, it is shown that [9] for a relatively small energy modulations, the GENESIS is a suf fi cient tool for modeling both HGHG and EEHG ...
7
Free electron laser using 'beam by design'
... from electron beams that have insuf fi cient beam quality to lase under normal FEL ...the electron beams generated from plasma accelerator sources which, to date, tend to have relatively high ...
13
Undulator radiation driven by laser-wakefield accelerator electron beams
... Advanced Laser-Plasma High-Energy Accelerators towards X-rays (ALPHA-X) programme is developing laser-plasma accelerators for the production of ultra-short electron bunches with subsequent generation ...
7
Chirped and modulated electron pulse free electron laser techniques
... FEL. Electron pulses used in free electron lasers can exhibit a large energy chirp (greater than 1 % of mean electron beam energy) which can degrade the FEL ...Puffin. Electron pulses ...
7
Practical considerations for the ion channel free-electron laser
... ρ electron beams with realistic amplitude spreads and emittance can be used to drive the ICL efficiently at fundamental wavelengths down to UV, with harmonics extending into ...
9
Becker, Stefan (2010): Dynamics and Transport of Laser-Accelerated Particle Beams. Dissertation, LMU München: Fakultät für Physik
... A tracking code [13] applying Eqs. (5) is used to calculate the free drift of the considered electron bunch in vacuum. Figure 3 compares results of different calculation methods at a later point in time ...
138
Ultralow-emittance measurement of high-quality electron beams from a laser wakefield accelerator
... cascaded laser wakefield accelerator, high-quality monoenergetic electron beams (e beams) with peak energies of 340–360 MeV and rms divergence of ...e beams hold great potential ...
13
The quantum free electron laser
... Although electron beams are usually described as moving collections of point-like classical charged particles, there are situations where electron beams display coherent phenomena which ...
15
Direct observation of plasma waves and dynamics induced by laser-accelerated electron beams
... To verify our interpretation of the results, we perform full-3D particle-in-cell (PIC) simulations using OSIRIS 4.4 [55], with and without preionization. The bunch exiting the first jet was measured to contain a total ...
13
Efficiency Enhancement in a Pre Bunched Cerenkov Free Electron Laser
... In Fig. 3, we have plotted the growth rate of the CFEL instability (in rad/sec) as a function of the phase of pre-bunched electron beam for the same parameters as Fig. 2 and for modulation index = 0.80. From ...
8
Design of sub-Angstrom compact free-electron laser source
... undulator Free Electron Laser (FEL) by ultra−high intensity laser pulses (a laser undulator) ...an electron beam of substantially lower energy interacts with a counter ...
16
Guiding of relativistic electron beams in dense matter by laser-driven magnetostatic fields
... relativistic electron beams, which transport part of the laser energy into the target ...overall laser-to-target energy coupling ef fi ciency is impaired by the large divergence of the ...
9
Henig, Andreas (2010): Advanced Approaches to High Intensity Laser-Driven Ion Acceleration. Dissertation, LMU München: Fakultät für Physik
... intense laser pulses that were carried out over the past 10 years, solid density planar foils in the micrometer thickness range were used as ...intense laser pulse and set up an electric field at the ...
184
Directed fast electron beams in ultraintense picosecond laser irradiated solid targets
... fast electron currents in solids irradiated by ultraintense, picosecond laser ...the laser polarization axis at a peak laser intensity one-order magnitude higher than the relativistic ...
5
Terahertz generation from laser-driven ultrafast current propagation along a wire target
... intense laser pulse incident obliquely onto the center of the wire target and accelerate a large number of energetic elec- ...the laser pulse (typically an or- der of a few fs or more for TW laser ...
6
Concurrence of monoenergetic electron beams and bright X-rays from an evolving laser-plasma bubble
... quasi-monoenergetic electron bunch and a bright betatron X-ray emission, where the betatron X-rays are associated with another electron bunch with a broad energy spread and a large wiggling ...
18
Towards single molecule shape determination with laser generated soft X rays
... Electron tunnels out of atom as field increases Electron accelerates in laser field as free particle Electrons which come back to the atom can recombine and emit an energetic photon E = [r] ...
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