Nonlinear Thomson scattering of a relativistically strong tightly focused ultrashort laser pulse

Vais, O. E.; Bochkarev, S. G.; Bychenkov, V. Yu.

doi:10.1134/s1063780x16090105

Cited by 34 publications

(25 citation statements)

References 32 publications

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“…The external field is assumed to be a focused Gaussian beam multiplied by a spatial envelope function within the paraxial approximation (see, e.g., Ref. [15]):…”

Section: Electron Dynamics and The Laser Field Configurationmentioning

confidence: 99%

“…Nevertheless, the determination of the peak intensity of such strong laser pulses represents a formidable task. Recently, a number of various techniques have been extensively discussed in the literature: measuring yields of highly charged ions due to atomic ionization [11][12][13], detecting the light scattering or additional radiation due to the interaction between electrons and the laser field [14][15][16][17][18][19], or the analysis of photoionization or direct acceleration of charged particles [20][21][22][23][24][25][26][27] (see also references therein). In the present paper we discuss how the laser intensity diagnostics can be carried out using the strongfield QED mechanism of pair production due to the interaction of free electrons or free xenon atoms with an intense laser field.…”

Section: Introductionmentioning

confidence: 99%

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Pair production seeded by electrons in noble gases as a method for the laser intensity diagnostics

Aleksandrov,

Andreev

2021

Preprint

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“…The external field is assumed to be a focused Gaussian beam multiplied by a spatial envelope function within the paraxial approximation (see, e.g., Ref. [15]):…”

Section: Electron Dynamics and The Laser Field Configurationmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Pair production seeded by electrons in noble gases as a method for the laser intensity diagnostics

Aleksandrov,

Andreev

2021

Preprint

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“…We assume uniform transverse beam profile in order to have the advantage of analytic treatment. For detailed numerical investigations of the effects of the transverse beam profile see references [26][27][28]. The Newton-Lorentz equations govern the motion of a relativistic electron with charge e and mass m during its interaction with the laser pulse as…”

Section: Theoretical Modelmentioning

confidence: 99%

Isolated attosecond pulses of μJ energy via coherent Thomson-backscattering, driven by a chirped laser pulse

et al. 2019

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New theoretical and numerical results are presented regarding isolated attosecond XUV -soft X-ray pulses, that can be generated by Thomson-backscattering of a high-intensity single-cycle nearinfrared laser pulse on a suitable nanobunch of MeV electons. A simple approximate formula is derived for the cut-off frequency of the collective radiation spectrum, which is then employed to find the length of the nanobunch which emits an isolated pulse of 16 as length. Detailed analysis of the spectral, temporal and spatial features of this attosecond pulse is given. It is also shown that the 100 nJ pulse energy, corresponding to 2.1 × 10 18 W/cm 2 peak intensity of the laser pulse, can be increased to reach the µJ pulse energy both by increasing the intensity or by setting a suitable down-chirp of the laser pulse.

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“…We neglect the effects of the transverse profile of the laser beam, in order to have the advantage of analytic treatment. For detailed numerical investigations of the effects of the transverse beam profile see [37][38][39].…”

Section: Analytic Solution Of the Electron's Equation Of Motionmentioning

confidence: 99%

Carrier-envelope phase controlled isolated attosecond pulses in the nm wavelength range, based on coherent nonlinear Thomson-backscattering

2018

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A proposal for a novel source of isolated attosecond XUV-soft x-ray pulses with a well controlled carrier-envelope phase difference (CEP) is presented in the framework of nonlinear Thomsonbackscattering. Based on the analytic solution of the Newton-Lorentz equations, the motion of a relativistic electron is calculated explicitly, for head-on collision with an intense fs laser pulse. By using the received formulas, the collective spectrum and the corresponding temporal shape of the radiation emitted by a mono-energetic electron bunch can be easily computed. For certain suitable and realistic parameters, single-cycle isolated pulses of ca. 20 as length are predicted in the XUV-soft x-ray spectral range, including the 2.33-4.37 nm water window. According to our analysis, the generated almost linearly polarized beam is extremely well collimated around the initial velocity of the electron bunch, with considerable intensity and with its CEP locked to that of the fs laser pulse.

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Nonlinear Thomson scattering of a relativistically strong tightly focused ultrashort laser pulse

Cited by 34 publications

References 32 publications

Pair production seeded by electrons in noble gases as a method for the laser intensity diagnostics

Pair production seeded by electrons in noble gases as a method for the laser intensity diagnostics

Isolated attosecond pulses of μJ energy via coherent Thomson-backscattering, driven by a chirped laser pulse

Carrier-envelope phase controlled isolated attosecond pulses in the nm wavelength range, based on coherent nonlinear Thomson-backscattering

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