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Free Electron Lasers

Selftrapping, biomolecules and free electron lasers

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 ...

5

Towards plasma-driven free-electron lasers

Towards plasma-driven free-electron lasers

... Driven Free-Electron Lasers, we signifi- cantly enhanced the features of P UFFIN to handle some peculiarities, which are intrinsic to novel, plasma-based FEL ...

10

ULTRAFAST LASERS: Free electron lasers thrive from synergy with ultrafast laser systems

ULTRAFAST LASERS: Free electron lasers thrive from synergy with ultrafast laser systems

... Free electron lasers require extremely bright electron beams in order to reach gain saturation in the ...brightness electron beam is enabled by using an ultrafast laser amplifier to ...

6

Relativistic x-ray free-electron lasers in the quantum regime

Relativistic x-ray free-electron lasers in the quantum regime

... Relativistic x-ray free-electron lasers in the quantum regime Bengt Eliasson 1 and P. K. Shukla 2,3 1 Institut f¨ur Theoretische Physik, Fakult¨at f¨ur Physik und Astronomie, Ruhr–Universit¨at ...

5

Exotic forms of matter created by interactions with free-electron lasers

Exotic forms of matter created by interactions with free-electron lasers

... creation. Free-electron lasers are ideal for producing these core-hole states due to the high pulse intensity, short duration and high-energy photons ...involved. Free-electron ...

144

The detrimental effect of spontaneous emission in quantum free electron lasers : a discrete Wigner model

The detrimental effect of spontaneous emission in quantum free electron lasers : a discrete Wigner model

... high-gain free-electron lasers operating in the quantum regime and its detrimental effect on coherent ...in free electron lasers has been recently proposed and investigated ...

8

RF FRONT END FOR HIGH BANDWIDTH BUNCH ARRIVAL TIME MONITORS IN FREE-ELECTRON LASERS AT DESY

RF FRONT END FOR HIGH BANDWIDTH BUNCH ARRIVAL TIME MONITORS IN FREE-ELECTRON LASERS AT DESY

... gain free-electron lasers (FELs) can generate ultra short X-ray pulses in the femtosecond ...the Free-Electron Laser in Hamburg FLASH ...X-ray free-electron laser XFEL ...

5

Introduction to Free-Electron Lasers

Introduction to Free-Electron Lasers

... It was noted however that cancelled out of the final equations and many doubts were expressed whether it was a 'true' laser ... Later, a fully classical picture was developed ∗ (Hopf et al., Colson, 1976): "the ...

38

FREE ELECTRON LASERS IN 2008

FREE ELECTRON LASERS IN 2008

... the free electron laser (FEL) at Stanford University, there continue to be many important experiments, proposed experiments, and user facilities around the ...

5

FREE ELECTRON LASERS. Brau. Charles A.

FREE ELECTRON LASERS. Brau. Charles A.

... Unfortunately, the length of the wiggler is iimited by diffraction spreading oi the laser beam. Since the decxease, or “taper”, of the resonant en~rgy must take place slowly, this places[r] ...
X-Ray Free Electron Lasers

X-Ray Free Electron Lasers

... Fluctuations of SASE pulse energy (after saturation, 13 nm, FLASH)... electrons radiation[r] ...

57

X-Ray Free Electron Lasers

X-Ray Free Electron Lasers

... short range wakes describe interaction of particles in same bunch long range wakes describe multi bunch interactions important for FELs: longitudinal single bunch wakes change the en[r] ...

55

X-Ray Free Electron Lasers

X-Ray Free Electron Lasers

... Bunching factor and space charge field Linearized model. FEL parameters FEL bandwidth.[r] ...

47

Modelling elliptically polarised free electron lasers

Modelling elliptically polarised free electron lasers

... u e 0, 0.34 for the same value of a ¯ u = 5.0 . The results are shown in figure 5. The simulations are seen to agree well with each other in the linear regime with the elliptical undulator measured as having the shorter ...

10

Towards plasma-driven free-electron lasers

Towards plasma-driven free-electron lasers

... These new features are crucial to study new FEL regimes, among which is a two-colour FEL scheme with wide frequency separation, as proposed in Ref. 14. In an FEL, the elec- tron beam energy is usually resonant with only ...

9

THE LIGHT FOR THE FUTURE: EXCIMER AND FREE-ELECTRON LASERS

THE LIGHT FOR THE FUTURE: EXCIMER AND FREE-ELECTRON LASERS

... "undulator magnet" (UM)) and they emit electromagnetic radiation (synchrotron emission) whose wavelength depends on electron energy and magnetic field intensity and period. Mor[r] ...

31

Studies of Harmonic Generation in Free Electron Lasers

Studies of Harmonic Generation in Free Electron Lasers

... seed lasers, FEL radiation in the X-ray and soft X-ray regime from an HGHG FEL can only be achieved with multiple HGHG ...the electron beam as it emerges from the linear accelerator, spontaneous radiation ...

133

Density matrix approach for quantum free-electron lasers

Density matrix approach for quantum free-electron lasers

... * hesham.fares@lnf.infn.it Tel:+3472871745. Office:+694032254. Abstract The density matrix in the Lindblad form is used to describe the behavior of the Free-Electron Laser (FEL) operating in a quantum ...

12

Towards zeptosecond-scale pulses from x-ray free electron lasers

Towards zeptosecond-scale pulses from x-ray free electron lasers

... an electron beam with periodic regions of high beam quality, each region of length ¿ l c , prior to injection into a normal FEL ...in electron beam quality can be achieved for example via electron ...

6

MeV-class Free Electron Lasers (following Reinhard Brinkmann s presentation )

MeV-class Free Electron Lasers (following Reinhard Brinkmann s presentation )

... • At present Nuclear Photonics and Photo-Nuclear Physics are done with Compton Sources, producing gamma ray beams by Compton back-scattering of Laser Beams by high brightness GeV-clas[r] ...

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