free-electron-laser research
Two-colour free electron laser with wide frequency separation using a single monoenergetic electron beam
... one electron beam at two distinct, harmonically uncoupled, wavelengths is perhaps not an immediately intuitive ...the electron phase-space evolution has a rich structure, including bunching at the sum and ...
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The application of extreme ultra-violet lasers in plasma heating and diagnosis
... basic research and to enable the development of industrial applications, there is a need to produce compact and affordable extreme ultra-violet (EUV) and x-ray laser sources for use in parallel with ...
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Electrochemical Preparation of Particles for X-Ray Free Electron Laser Based Diffractive Imaging
... research, and one of the most important themes refers to the ability to reveal the structure and dynamics evolving at the nanoscale, through coherent X-ray scattering or diffractive imaging. However, an important ...
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All femtosecond optical pump and X-ray probe: holey-axicon for free electron laser
... in laser dicing, drilling, cutting and large volume ablation [7, ...61–63]. Research of high-pressure and high temperature phases of materials as well as WDM conditions would benefit basic science and ...
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Start-to-end modelling of a mode-locked optical klystron free electron laser amplifier
... the electron beam energy, and the current modulation that results, can also be a significant source of coherent spontaneous emission (CSE), another process not modelled by averaged ...
8
Frequency modulated free electron laser
... Free Electron Laser (FEL) is currently the world’s brightest source of X-rays by many orders of magnitude ...relativistic electron beam injected through a magnetic undulator with a ...
8
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 energy ...
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Echo enabled harmonic generation free electron laser in a mode-locked configuration
... this research area to include imaging of catal- ysis, graphene, carbon nanotechnology and nanostructure development [7] and the nascent field of quantum biol- ogy ...
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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 ...motivated research to realize a plasma amplifier to further boost the power of an ex- isting CPA system [25] ...
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Attosecond single-cycle undulator light : a review
... Abstract. Research at modern light sources continues to improve our knowledge of the natural world, from the subtle workings of life to matter under extreme ...conditions. Free-electron lasers, for ...
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A wide bandwidth free-electron laser with mode locking using current modulation
... In this paper it is shown that mode locking can be achieved by replacing the beam energy modulation with a beam current modulation of the same period. This change helps to produce a cleaner series of short pulses and to ...
19
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
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] ...
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CLARA conceptual design report
... supplies to provide accurate changes to the beam angle at regular intervals through the lattice. The steering magnets are coupled with BPMs, spread throughout the machine, which provide beam tra- jectory information. The ...
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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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Compression of X-ray Free Electron Laser pulses to attosecond duration
... Better focusing of the X-ray pulses, or future upgrades, will increase the growth rate and allow pulses to be compressed down to a few hundred attoseconds, retaining up to 8% of the pump energy. The per- formance is ...
7
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
Spectroscopic Characterization of the Product Ions Formed by Electron Ionization of Adamantane
... Electron ionization of adamantane produces a prominent mass peak at m/z 79 (see Figure 1). An obvious candidate structure for this fragment is protonated benzene, but alternative structures are not a priori ...
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Electromagnetic field measurements inside photonic crystals developing a photonic free electron laser
... In a photonic free electron lasers (pFEL) electrons propagate with ve- locities much smaller then the speed of light through a photonic crystal (PhC). The electrons emit radiation inside the PhC through the ...
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Synchrotron Infrared Microscopy Analysis of Amyloid Fibrils Irradiated by Mid Infrared Free Electron Laser
... a laser beam with a variable wavelength in the mid-infrared region ...An electron beam generated by a high- radio-frequency (RF) electron gun (2856 MHz) is accelerated to a maximum energy of 40 MeV ...
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