free-electron lasers (FELs)
The detrimental effect of spontaneous emission in quantum free electron lasers : a discrete Wigner model
... Free electron lasers (FELs) using highly relativistic electron beams passing through very long magnetic undulators are currently operating as high-intensity coherent x-ray radiation ...
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Relativistic x-ray free-electron lasers in the quantum regime
... 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 ...
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Towards plasma-driven free-electron lasers
... compact free- electron lasers (FEL) with unique X-ray ...plasma-generated electron bunches thereby forms the basis for any application driven by these ...
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Selftrapping, biomolecules and free electron lasers
... from free electron lasers, open up the possibility of resolving outstanding problems in understanding the energy and charge processes which underpin life ...
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Towards zeptosecond-scale pulses from x-ray free electron lasers
... An alternative might be to disregard FEL amplification to establish microbunching, and instead use an external source (though this itself may be a FEL) to induce mi- crobunching (or a single sharp current spike) over a ...
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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 ...an electron beam ...
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Electromagnetic field measurements inside photonic crystals developing a photonic free electron laser
... Free-electron lasers (FEL) are very different to photonic free-electron lasers ...(pFEL). FELs are devices that use a alternating static magnetic field to con- vert kinetic ...
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Density matrix approach for quantum free-electron lasers
... spontaneously radiated photon depends on the angle of the emitted photon with respect to the electron beam direction. Therefore, the spontaneous emission is characterized by a broadband spectral range. In Refs. ...
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Modelling elliptically polarised free electron lasers
... A model of a free electron laser (FEL) operating with an elliptically polarised undulator is presented. The equations describing the FEL interaction, including resonant harmonic radiation fields, are ...
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Aspects of phase retrieval in x ray crystallography
... The phase problem is of key importance in macromolecular crystallography. For ab initio phasing, i.e. in the absence of additional experimental information, such as from using isomorphous replacement or anomalous ...
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Instability and dynamics of two nonlinearly coupled intense laser beams in a quantum plasma
... 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 ...relativistic ...
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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 ...
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Frequency modulated free electron laser
... a free electron laser may be modulated to generate a series of modes that span a bandwidth of at least an order of magnitude greater than the normal FEL ...
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Influence of doping density on electron dynamics in GaAs/AlGaAs quantum cascade lasers
... Electron transport in QCLs was simulated within the framework of a fully self-consistent scattering theory approach. 40,41 For that purpose, the QCL was assumed to consist of a large number of periods forming a ...
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Strong field physics and QED experiments with ELI-NP 2×10PW laser beams
... the electron pulse is measured with the electron spectrometer in order to resolve the changes in the electron energy spectrum due to the electron interaction with the strong EM ...envisage ...
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An extended model of the quantum free-electron laser
... the electron beam in a process called Self-Amplified Spontaneous Emission ...of FELs generating coherent radiation into the hard X-ray without the need for seed ...an electron can be sufficiently ...
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Spatial Meaning of Quantum Mechanics
... We try to discuss a wave that propagates freely. Our demonstration starts in classical fashion of the wave avail- able to Newton’s law. For brevity, we consider a case of one dimensional configuration space. The points ...
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Dense GeV electron–positron pairs generated by lasers in near-critical-density plasmas
... overlap in the double-cone junction. It is shown that the laser intensity can be greatly boosted due to the coupling effect of nonlinear plasma effects and tightly focusing of the laser pulse in the cone 42–44 . The ...
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A high average current electron source for the Jefferson Laboratory free electron laser
... Thermionic sources are simple devices and avoid the need for the complex laser drive systems required for photocathodes, and as a result remain popu- lar in some laboratories. However producing flexible, high peak ...
225
The free electron response in reflectance anisotropy spectra
... all the parameters. In the examples above, it was possible to fix some of the parameters, typically the thickness of the layer and the plasma frequency, using other data. The model could be extended to include ...
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