Energy-exchange characteristics in ordinary and nonlinear Compton scattering

Wang, J. X.; Ho, Y. K.

doi:10.1103/physreva.59.4522

Cited by 3 publications

(2 citation statements)

References 21 publications

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“…In addition, from the comparisons between figures 8(a) and (b), we can also see that, as the laser intensity increases, the radiated energy tends to move from lower harmonics to higher harmonics. So stronger laser fields will result in higher harmonic generations, which is easy to understand and is consistent with former results [44]. For example, when Q is increased from 5 to 10, the peak power of n = 100 has already been bigger than that of n = 1.…”

Section: Harmonic Spectrumsupporting

confidence: 87%

Harmonic generation from free electrons in intense laser fields: classical versus semi-classical theory

Li¹,

Wang²,

Ren³

et al. 2013

Laser Phys.

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In this paper, a detailed numerical comparison of the high-harmonic generation (HHG) from free electrons in intense laser fields in both classical and semi-classical frameworks has been presented. These two frameworks have been widely used in the literature. It has been found that the HHG spectra display distinct quantitative differences for high-energy electrons. In some special situations, qualitative differences appear. Even if the radiation reaction is included in the electron classical dynamics, no consistent result can be obtained. Hence it should be of critical importance to submit the present HHG theory for high-precision experimental tests, which can help us not only to justify the present theories, but also to check the QED predictions in the high-intensity regime.

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Section: Harmonic Spectrumsupporting

confidence: 87%

Harmonic generation from free electrons in intense laser fields: classical versus semi-classical theory

Li¹,

Wang²,

Ren³

et al. 2013

Laser Phys.

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“…The latter open the possibility for multi-photon absorption and high-rate acceleration of electrons regime (Kolomenski & Lebedev, 1962;1963;1966;Woodworth et al, 1996;Milantiev, 1997;Wang & Ho 1999;Hirshfield & Wang, 2000;Milantiev & Shaar, 2000;Konoplev & Meyerhofer, 2000;Marshall et al, 2001;Stupakov & Zolotorev 2001;Singh, 2004;2006;Cline et al, 2013;Galow et al, 2013). Due to their compactness such accelerators may be used in various applied areas, where the required energy of the electron beam is relatively small (of the order 100 M eV to 1 Gev).…”

Section: Introductionmentioning

confidence: 99%

Acceleration of electrons by high intensity laser radiation in a magnetic field

Melikian

2014

Laser Part. Beams

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We consider the acceleration of electrons in vacuum by means of the circularly-polirized electromagnetic wave, propagating along a magnetic field. We show that the electron energy growth, when using ultrashort and ultra-intense laser pulses (1 ps, 10 18 W/cm 2 , CO 2 laser) in the presence of a magnetic field, may reach up to the value 2, 1 Gev. The growth of the electron energy is shown to increase proportionally with the increase of the laser intensity and the initial energy of the electron. We find that for some direction of polarization of the wave, the acceleration of electrons does not depend on the initial phase of the electromagnetic wave. We estimate the laser intensity, necessary for the electron acceleration. In addition, we find the formation length of photon absorption by electrons, due to which one may choose the required region of the interaction of the electrons with the electromagnetic wave and magnetic field. We also show that as a result of acceleration of electrons in the vacuum by laser radiation in a magnetic field one may obtain electron beam with small energy spread of the order δǫ /ǫ ≤ 10 −2 .

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Scaling Law of Nonlinear Compton Scattering

Wang¹,

Yu-Kun²,

Wang³

et al. 2000

Chinese Phys. Lett.

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We show that there are two mechanisms responsible for the net energy exchange between an intense pulsed laser and an electron in vacuum, namely, stimulated Compton scattering and nonlinear Compton scattering(NLCS). For NLCS, being the only effect in a mono-frequency continuous laser beam, its contribution is also independently determined. The characteristics of these two mechanisms in connection with the net energy exchange are studied. For the case of a pulsed laser field, it is found that the maximum net energy exchange by NLCS is approximately proportional to Qg(Q0 G eEo/(m, WC)) for QO 2 100. In addition, the relative importance of these two mechanisms to the net energy exchange at different intensities is explored.

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Energy-exchange characteristics in ordinary and nonlinear Compton scattering

Cited by 3 publications

References 21 publications

Harmonic generation from free electrons in intense laser fields: classical versus semi-classical theory

Harmonic generation from free electrons in intense laser fields: classical versus semi-classical theory

Acceleration of electrons by high intensity laser radiation in a magnetic field

Scaling Law of Nonlinear Compton Scattering

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