[PDF] Top 20 The quantum free electron laser

... a quantum mechanical analysis ...an electron beam consisting of classical particles interacts with a classical electromagnetic radiation ...a quantum analysis have been restricted to the regime of ... See full document

... the electron wavefunction over the same interval which inhibits electron diffusion throughout the ...the electron motion means the beam current profile on the order of the resonant wavelength is ... See full document

... In this Rapid Communication, we shall use a collective KGE to derive a dynamic model for the quantum free-electron laser. In our model, we assume that the wave function ψ represents an ... See full document

... As far as the former case is concerned, it is worth noting that, notwithstanding the fact that the structure of the electrochemical double layer is an insightfully investigated topic (e.g. [21]), still a lot has to be ... See full document

... the electron beam energy at the mode spacing. As with the atomic laser, this mode locking modifies the temporal envelope of the output field from a continuous wave to a series of short, periodically spaced ... See full document

... 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 ... See full document

... Free-electron lasers (FEL) are very different to photonic free-electron lasers (pFEL). FELs are devices that use a alternating static magnetic field to con- vert kinetic energy of relativistic ... See full document

... of quantum biol- ogy ...the quantum level is ultimately the key to a more complete understanding of the functioning of complex molecular and biological systems ... See full document

... of electron- phonon scattering rates between Landau levels accounts for both the LO and acoustic-phonon ...swhere electron–electron scattering is very important, and should be includedd in order to ... See full document

... 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 ... See full document

... single electron beam in sequential undulators tuned to two different resonant ...external laser sources at both of the resonant frequencies with intensities ∼ 10 − 4 less than the normal FEL saturation ... See full document

... 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 ... See full document

... high-gain free-electron lasers operating in the quantum regime and its detrimental effect on coherent ...A quantum model describing coherent and sponta- neous emission in free ... See full document

... difference electron density directly from the measured ...difference electron density calculated by our algorithm of the expected difference structure of photoactive yellow protein (PYP) 2 ms after ...of ... See full document

... a laser beam with a variable wavelength in the mid-infrared region ...An electron beam generated by a high- radio-frequency (RF) electron gun (2856 MHz) is accelerated to a maximum energy of 40 MeV ... See full document

... transmission electron microscopy (TEM) images of a portion of the 30-period QDCL shown in Figure 2a,b gives the direct and clear evidences of distinct coupled QDs layers in the active ... See full document

... the laser was generated by the high-frequency electron gun, passed through the linear accelerator, and os- cillated in the undulator (Figure ...the electron beam, and the laser was directed by ... See full document

... studied quantum electron states in free-standing graphene monolayer with a rectangular quantum ...the quantum well, may exist in such structure if the QW potential has enough ... See full document

... intense laser pulse tightly focused deep inside a transparent dielectric generates the energy density in excess of several MJ/cm 3 (energy per volume is pressure 1 MJ/cm 3 = 1 ... See full document

... wave quantum cascade laser (cw-QCL) ...individual laser beams are first collected by a pair of reflective objectives then combined and co-oriented by a dichroic mirror (LohnStar Optics, ...the ... See full document