free electron laser dynamics
Laser heater commissioning at an externally seeded free-electron laser
... the electron beam dynamics downstream of BC1, for a configuration of one active bunch compressor ...charge electron beam that is shortened by about a CF ...LH laser energy was approximately 0 ...
10
Electrochemical Preparation of Particles for X-Ray Free Electron Laser Based Diffractive Imaging
... the electron density, r is the position and q is the momentum of the ...explosion dynamics is obtained by simply forming an external layer of modified material, either in terms of deposition of extraneous ...
23
An extended model of the quantum free-electron laser
... the electron beam in a process called Self-Amplified Spontaneous Emission ...an electron can be sufficiently large that the discrete nature of photon emission cannot be neglected [10–14] and a quantum ...
10
Herrwerth, Oliver (2011): Atomic and molecular ionization dynamics in strong IR and XUV fields probed by time-resolved coincidence spectroscopy. Dissertation, LMU München: Fakultät für Physik
... XUV laser-pulse of FELs (Free Electron Laser) into two identical pulses from which one can be ...the laser pulses of FLASH, Hamburg and SCSS, Harima(Japan) where characterized ...
132
A high average current electron source for the Jefferson Laboratory free electron laser
... the electron bunch. It assumes that the electron bunch can be rep- resented by a uniformly charged cylinder of varying length and ...the electron bunches into the av- erage rest frame of the bunch, ...
225
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 ...
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Echo enabled harmonic generation free electron laser in a mode-locked configuration
... manipulates electron pulse phase space using two temporally coherent, long wavelength seed lasers and two dispersive ...seed laser in an undulator and then dispersed in a ...the electron beam is ...
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The quantum free electron laser
... Free-electron lasers (FELs) have demonstrated the ability to produce coherent radiation ranging from the microwave to the X-ray region of the electromagnetic spectrum. Although the first theoretical studies ...
15
CLARA conceptual design report
... and electron bunch to enhance the SASE FEL longitudinal coherence and hence improve the spectral ...the electron bunch as it propagates though the undulator ...of electron beam energy fluctuation ...
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A wide bandwidth free-electron laser with mode locking using current modulation
... beam energy modulation. It was shown that mode locking using current modulation improves spectral brightness of the source and purity of the series of short pulses, providing a clean sequence of pulses separated by the ...
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A Review Study on Amplification of X Ray Free Electron Laser Pulse in Plasma
... intense laser pulses (optical and X-ray regime) through Backward Raman amplification (BRA) in ...amplify laser pulses extends back to work carried out 40 years ago when researchers used gases and liquids to ...
6
Serial Femtosecond X-ray Diffraction of HIV-1 Gag MA-IP6 Microcrystals at Ambient Temperature
... microcrystals in liquid suspension at ambient temperature using an X-ray free-electron laser. MicroED opens a new era for biological structure determination[r] ...
14
Compression of X-ray Free Electron Laser pulses to attosecond duration
... A further simulation with similar parameters but an initial seed of 10 times the pump intensity was used to verify this. Its electron phase space diagram, shown in Fig. 3, is plotted near the start of the inter- ...
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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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Two-colour free electron laser with wide frequency separation using a single monoenergetic electron beam
... single electron beam in sequential undulators tuned to two different resonant ...external laser sources at both of the resonant frequencies with intensities ∼ 10 − 4 less than the normal FEL saturation ...
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Azimuthal asymmetry in collective electron dynamics in relativistically transparent laser-foil interactions
... double-lobe electron distribution could give rise to proton lobes separated by ∼ 6 mm at the position of the RCF ...for laser pulses with τ > 150 fs ...
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Axion particle production in a laser-induced dynamical spacetime
... X-ray free electron lasers (XFEL) based at DESY Hamburg, and the LCLS (Linac Coherent Light Source) facility at SLAC, where highly tunable x-ray pulses with narrow bandwidth and high intensity are already ...
6
Electron Dynamics in Solids
... Let us consider small oscillations for a system of atoms forming a SC lattice. Assume a longitudinal traveling wave along the x-axis. Imagine first hypothetical planes perpendicular to the x-axis containing atoms forming ...
16
The application of extreme ultra-violet lasers in plasma heating and diagnosis
... the laser-produced plasma range between a few electron volts for an on-target laser irradiance of 10 9 W cm −2 to 80 eV for 10 12 W cm −2 with plasma flow velocities along the laser axis ...
7
Synchrotron Infrared Microscopy Analysis of Amyloid Fibrils Irradiated by Mid Infrared Free Electron Laser
... a free-electron laser (FEL) tuned to the amide I band (1600 - 1700 cm −1 ) is able to dissociate the amyloid fibrils of lysozyme and of a five-residue peptide (DFNKF) of the thyroid hormone [8] ...
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