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SASE free electron laser

Velocity dispersion of correlated energy spread electron beams in the free electron laser

Velocity dispersion of correlated energy spread electron beams in the free electron laser

... 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 ...

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Transform-limited X-ray pulse generation from a high-brightness self-amplified spontaneous-emission free-electron laser

Transform-limited X-ray pulse generation from a high-brightness self-amplified spontaneous-emission free-electron laser

... the electron bunch with respect to the copropagating radiation ...the electron beam which can be significantly greater than in SASE—the slippage rate is ...

5

A high average current electron source for the Jefferson Laboratory free electron laser

A high average current electron source for the Jefferson Laboratory free electron laser

... complex laser drive systems required for photocathodes, and as a result remain popu- lar in some ...an electron source has also been proposed for the Spring-8 Compact SASE Source (SCSS) with DC ...

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Practical considerations for the ion channel free-electron laser

Practical considerations for the ion channel free-electron laser

... FELs are based on the collective interaction of high energy electrons that are periodically deflected by an undulator. The combined undulator and radiation fields give rise to a ponderomotive force that bunches the ...

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Design of sub-Angstrom compact free-electron laser source

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 ...

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An extended model of the quantum free-electron laser

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 ...

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Two-colour free electron laser with wide frequency separation using a single monoenergetic electron beam

Two-colour free electron laser with wide frequency separation using a single monoenergetic electron beam

... and SASE two-colour operation were demonstrated to saturation and gave similar peak spectral intensities at both the resonant ...one electron beam at two distinct, harmonically uncoupled, wavelengths is ...

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Quantum theory of SASE FEL

Quantum theory of SASE FEL

... a free-electron laser (FEL) is made up of three basic ingredients: high-gain, propagation or “slippage” effects and start-up from noise ...the SASE regime was ...via SASE are of great ...

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The quantum free electron laser

The quantum free electron laser

... Corresponding graphs showing the spatio-temporal evolution of SASE radiation and its frequency spectrum in the quantum regime ( ρ < ¯ 1) are shown in Figs. 10 and 11, respectively. It can be seen that the ...

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A wide bandwidth free-electron laser with mode locking using current modulation

A wide bandwidth free-electron laser with mode locking using current modulation

... the electron beam current ...a SASE FEL ...high-order laser harmonic generation and bending magnet of a third-generation, storage ring-based synchrotron light ...

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Electrochemical Preparation of Particles for X-Ray Free Electron Laser Based Diffractive Imaging

Electrochemical Preparation of Particles for X-Ray Free Electron Laser Based Diffractive Imaging

... FERMI free electron laser that will start operation in 2011, the Electrochemistry Group of University of Salento is developing a research program aiming at understanding and controlling the radiation ...

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Start-to-end modelling of a mode-locked optical klystron free electron laser amplifier

Start-to-end modelling of a mode-locked optical klystron free electron laser amplifier

... Fig. 4 shows a more detailed plot of the radiation power profile at the centre of the 120th undulator module, together with the electron beam energy and the modulus of the com- plex bunching parameter, b ¼ he ih ...

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A Review Study on Amplification of X Ray Free Electron Laser Pulse in Plasma

A Review Study on Amplification of X Ray Free Electron Laser Pulse in Plasma

... 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 experimental ...

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Serial Femtosecond X-ray Diffraction of HIV-1 Gag MA-IP6 Microcrystals at Ambient Temperature

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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A novel size independent symplectic analytical singular element for inclined crack terminating at bimaterial interface

A novel size independent symplectic analytical singular element for inclined crack terminating at bimaterial interface

... the SASE as shown in ...circular SASE while the other area of the structure is meshed by using conventional ...the SASE is denoted by  . The present SASE is connected with the surrounding ...

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Review of coherent SASE schemes

Review of coherent SASE schemes

... bright electron bunches and to use these bunches in the experimental production of stable, synchronised, ultra short photon pulses of coherent light from a single pass FEL with techniques directly applicable to ...

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Spectroscopic Characterization of the Product Ions Formed by Electron Ionization of Adamantane

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

Electromagnetic field measurements inside photonic crystals developing a photonic free electron laser

... Alternatively, when a large number of separate electron beams are re- quired, a field emission cathode can be used (see fig. 2.1). Here the cathode consists of regular array of cones with very sharp tips placed in ...

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Tungsten oxide-Au nanosized film composites for&nbsp;glucose oxidation and sensing in neutral medium

Tungsten oxide-Au nanosized film composites for&nbsp;glucose oxidation and sensing in neutral medium

... the laser-fabricated WOx/Au electrode poten- tially promising for implantable glucose fuel cells and biomedical analysis as the evaluation of glucose concentration in biological ...the laser-ablation ...

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Structure of Single Particles from Randomly Oriented
Ensembles Using an X-Ray Free Electron Laser

Structure of Single Particles from Randomly Oriented Ensembles Using an X-Ray Free Electron Laser

... Armed with these facts about angular correlations, and their remarkable ability to study structure from disordered ensembles, we return now to the main problem addressed in this paper, namely the recovery of ...

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