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high-gain free electron laser

A design for the generation of temporally-coherent radiation pulses in the VUV and beyond by a self-seeding high-GaIn free electron laser amplifier

A design for the generation of temporally-coherent radiation pulses in the VUV and beyond by a self-seeding high-GaIn free electron laser amplifier

... The parameters detailed in table 2 have been used for the initial simulations for 10 eV linearly polarized operation in the steady-state regime (i.e. neglecting temporal pulse effects). The growth of output power and the ...

23

The quantum free electron laser

The quantum free electron laser

... an electron beam consisting of classical particles interacts with a classical electromagnetic radiation ...short-wavelength, high-gain FEL amplifiers producing progressively higher-energy photons ...

15

Laser heater commissioning at an externally seeded free-electron laser

Laser heater commissioning at an externally seeded free-electron laser

... of high gain harmonic generation ...of electron beam parameters, LH and FEL parameters, we have also seen that LH action can significantly improve the FEL-1 output spectra [13] in terms of central ...

10

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 ...

8

An extended model of the quantum free-electron laser

An extended model of the quantum free-electron laser

... small gain regime [7]. It was later shown that the exponentially unstable high gain FEL regime could be described using a purely classical framework [4,8,9] starting from the intrinsic shot-noise ...

10

The ion channel free-electron laser with varying betatron amplitude

The ion channel free-electron laser with varying betatron amplitude

... ion-channel laser (ICL) is an ultra-compact version of the free-electron laser (FEL), with the undulator replaced by an ion ...The gain parameter ρ can attain values as high as ...

13

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

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

... conventional laser theory, differences remain. In the conventional atomic laser oscillator, the gain of the radiation signal during one round-trip is relatively small and a buildup of the ...

19

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

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

... their high accelerating gradients and large peak currents. The electron beams typical of plasma accelerators possess small emittance, a large energy spread, and are very short compared to beams from more ...

9

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

... maximum gain, the electrons should be injected at an energy slightly higher than the resonant ...the electron beam equals that coupled out from the optical ...

225

Electron-phonon relaxation rates and optical gain in a quantum cascade laser in a magnetic field

Electron-phonon relaxation rates and optical gain in a quantum cascade laser in a magnetic field

... The active region of the QCL structure under consider- ation comprises three coupled quantum wells sQWsd biased by an external electric field K, as displayed in Fig. 1. In the absence of the magnetic field this system ...

6

Influence of a Magnetic Guide Field on Self Injection in Wakefield Acceleration

Influence of a Magnetic Guide Field on Self Injection in Wakefield Acceleration

... In order to test our code, the simulation domain con- sidered in this work was chosen to be as close as possible to the one considered by Hur, Gupta, and Suk. The wave- length of the laser was assumed to be λ = 1 ...

8

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

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

... level. High repetition rate pulses of 300 as duration, with photon content typical of fourth generation sources, would open new frontiers in the study of ultra-fast ...

7

High Energy Electron Generation by Laser-Cone Interaction

High Energy Electron Generation by Laser-Cone Interaction

... intense laser irradiation at a plane target with large incident angle ...intense laser pulse ir- radiates a target with a sharp density gradient, electrons are pushed towards the laser wave vector, ...

6

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

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

... possess high isoelectric points (9) and can be helpful to immobilize through electrostatic interactions enzymes with low isoelectric points, which helps to retain the bioactivity of the enzyme – an important ...

12

Pulses on Demand in Fibre and Hybrid Lasers

Pulses on Demand in Fibre and Hybrid Lasers

... advanced laser setup using the gain control of its amplifier stages can be employed to mitigate the transients in the output pulse train when changing the repetition rate of the ...offers laser-pulse ...

10

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

... undergo free-space diffraction (unless it is an harmonic when some guiding can occur [27]), which will reduce the net coupling of the radiation to the electron beam and so increase the effective gain ...

12

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

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 ...

9

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 ...

6

High Gain Direct Drive Target Designs and Supporting Experiments with KrF

High Gain Direct Drive Target Designs and Supporting Experiments with KrF

... Experiments on the Nike KrF laser allow basic stud- ies of elements of ICF and provide a platform for bench- marking the simulations. Recent experiments on Nike took advantage of its ultra-high uniformity ...

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