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Free electron laser

The ion channel free-electron laser with varying betatron amplitude

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

All femtosecond optical pump and X-ray probe: holey-axicon for free electron laser

All femtosecond optical pump and X-ray probe: holey-axicon for free electron laser

... (fs) laser structuring inside a silica ...fs-X-ray free electron laser (X-FEL) beam of sub-1 µm diameter can be introduced through the central hole along the optical axis onto a target as a ...

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Compression of X-ray Free Electron Laser pulses to attosecond duration

Compression of X-ray Free Electron Laser pulses to attosecond duration

... X-ray Free Electron Laser facilities currently provide the brightest X-ray pulses available, typically with mJ energy and several hundred femtosecond ...

7

Efficiency Enhancement in a Pre Bunched Cerenkov Free Electron Laser

Efficiency Enhancement in a Pre Bunched Cerenkov Free Electron Laser

... in free electron lasers for the generation of high gain radiation at high frequencies has been demonstrated by Freund et ...that free electron laser with the pre-bunched beam combines ...

8

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

... the electron beam in the free electron laser (FEL), and how to compensate for its effects by using an appropriate taper (or reverse-taper) of the undulator magnetic field, is well ...

9

Practical considerations for the ion channel free-electron laser

Practical considerations for the ion channel free-electron laser

... ion-channel laser (ICL) has been proposed as an alternative to the free-electron laser (FEL), replacing the deflection of electrons by the periodic magnetic field of an undulator with the ...

9

An extended model of the quantum free-electron laser

An extended model of the quantum free-electron laser

... the Free Electron Laser (QFEL) have performed an averaging and the application of periodic boundary conditions to the coupled Maxwell – Schrödinger equations over short, resonant wavelength intervals ...

10

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

... X-ray Free Electron Laser (XFEL) at Elettra will be a powerful tool of investigation in new fields of materials science, based on ultrashort EUV ...

23

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

... A free electron laser (FEL) in a mode-locked optical klystron (MLOK) configuration is modelled using start-to-end simulations that simulate realistic electron beam acceleration and transport ...

8

Synchrotron Infrared Microscopy Analysis of Amyloid Fibrils Irradiated by Mid Infrared Free Electron Laser

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] ...

11

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

... The method of time-resolved crystallography offers a method of studying fast changes in structure during a chemical reaction. However, being a crystallographic method it is restricted to crystal structures. The problem ...

8

Use of a Mid Infrared Free Electron Laser (MIR FEL) for Dissociation of the Amyloid Fibril Aggregates of a Peptide

Use of a Mid Infrared Free Electron Laser (MIR FEL) for Dissociation of the Amyloid Fibril Aggregates of a Peptide

... We have developed a mid-infrared free-electron laser (MIR-FEL) at the Tokyo University of Science (FEL- TUS) as shown in Figure 1. The oscillation wavelengths of the FEL are tunable within the 5.0 - ...

10

Chirped and modulated electron pulse free electron laser techniques

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

Frequency modulated free electron laser

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

The quantum free electron laser

The quantum free electron laser

... the free-electron laser (FEL) interaction, where the recoil associated with photon emission plays a significant role, is ...to electron beam coherence are ...

15

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

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

Echo enabled harmonic generation free electron laser in a mode-locked configuration

Echo enabled harmonic generation free electron laser in a mode-locked configuration

... of Free Electron Lasers (FEL) at shorter wavelengths where coherent laser seed fields are not ...the electron distribution in phase ...enhanced electron microbunching is ...the ...

9

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

... In a two-colour FEL, there will be a small drift section between each undulator module that may require radiation/electron beam phase matching using small tuning chicanes. Although Puf fi n is capable of modelling ...

12

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

... X-ray wavelength range FELs are the only source that can produce coherent photons, with very high peak and average power and brightness higher by any orders of magnitude than for any other X-ray source and a number of ...

6

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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