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free-electron laser studies

The quantum free electron laser

The quantum free electron laser

... theoretical studies of the FEL involved a quantum mechanical analysis ...an electron beam consisting of classical particles interacts with a classical electromagnetic radiation ...theoretical studies ...

15

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 ...time-resolved ...

13

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

... intense laser pulses (optical and X-ray regime) through Backward Raman amplification (BRA) in ...amplify laser pulses extends back to work carried out 40 years ago when researchers used gases and liquids to ...

6

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 ...

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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

... 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 ...Initial studies 29 ...

8

Laser heater commissioning at an externally seeded free-electron laser

Laser heater commissioning at an externally seeded free-electron laser

... FERMI laser heater (LH) system. The measured heating of the electron beam is in excellent agreement with analytical ...the electron beam longitudinal phase space and of the COTR intensity produced at ...

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

... intense studies [1-9] and the dynamics of electrons and ions following the ionisation processes in non-linear regime of FEL irradiation and the Coulomb explosion have already been discussed in current theoretical ...

23

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 ...theoretical studies of EEHG have applied periodic boundary conditions to the electron ...

9

The application of extreme ultra-violet lasers in plasma heating and diagnosis

The application of extreme ultra-violet lasers in plasma heating and diagnosis

... Laser-plasma studies have been undertaken for 50 years using infra-red to ultra-violet ...of laser-produced plasmas can be created with capillary discharge and free electron lasers ...

7

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

... the electron bunch. It assumes that the electron bunch can be rep- resented by a uniformly charged cylinder of varying length and ...parameter studies with limited accuracy, as computation time is ...

225

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

... these studies, we investigated the use of SR-IRM for detecting the minute (conformational) structural changes of amyloid fibrils formed by a short peptide after irradiation with an FEL tuned to the amide I ...

11

Design of sub-Angstrom compact free-electron laser source

Design of sub-Angstrom compact free-electron laser source

... design studies for a compact sub−Angstrom radiation source based on the Compton backscattering ...current electron beam and laser undulator ...

16

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 length ...

12

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

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

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] ...

14

Towards single molecule shape determination with laser generated soft X rays

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] ...

35

CLARA conceptual design report

CLARA conceptual design report

... the electron source repetition rate should also be in the MHz regime to enable a practical cavity ...and electron bunch to slow down the electrons which extends the coherence length [59–61] or even ...

97

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

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 ...

48

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

... Here, we show the principle of needle-beam intensity generation by using flat optics by fs-laser inscription, which is a feasible method for fabrication of optical elements. Then a Bessel-beam generator is ...

29

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

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

... MS-based studies on alkylbenzenium and dihydro- tropylium-type carbocations of interest here, which has greatly improved the quality of this manuscript and of the embedding of this study as a ...

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