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Kvantovaya Elektronika, 2019, Volume 49, Number 4, Pages 330–336 (Mi qe17029)  

Special issue 'Extreme light fields and their interaction with matter'

Generation of ultrashort X-ray bursts without attosecond frequency modulation in Coulomb collisions of nuclei of diatomic heteronuclear molecules ionised by an ultraintense laser pulse

I. R. Khairulin, M. Yu. Emelin, M. Yu. Ryabikin*

Institute of Applied Physics, Russian Academy of Sciences, Nizhny Novgorod

Abstract: Based on classical and quantum mechanical calculations, we study the possibility of generating ultrashort X-ray bursts, free of attosecond frequency modulation (attochirp), with photon energies of the order of 1 keV and higher in Coulomb collisions of nuclei in an ensemble of diatomic molecules containing nuclei with different masses, driven by ultraintense IR laser pulses. The minimally attainable duration of the generated X-ray pulses is investigated as a function of intensity and wavelength of laser radiation. It is shown that the considered mechanism of nuclear collisions makes it possible to generate transform-limited X-ray pulses with a duration of about 1 as using modern petawatt laser systems.

Keywords: molecules, femtosecond laser radiation, ionisation, nuclear collisions, attosecond pulses.

Funding Agency Grant Number
Russian Foundation for Basic Research 18-02-00924
Russian Academy of Sciences - Federal Agency for Scientific Organizations
Russian Science Foundation 16-12-10279
Ministry of Education and Science of the Russian Federation 14.W03.31.0032

* Author to whom correspondence should be addressed

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English version:
Quantum Electronics, 2019, 49:4, 330–336

Bibliographic databases:

Received: 06.03.2019

Citation: I. R. Khairulin, M. Yu. Emelin, M. Yu. Ryabikin, “Generation of ultrashort X-ray bursts without attosecond frequency modulation in Coulomb collisions of nuclei of diatomic heteronuclear molecules ionised by an ultraintense laser pulse”, Kvantovaya Elektronika, 49:4 (2019), 330–336 [Quantum Electron., 49:4 (2019), 330–336]

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  • http://mi.mathnet.ru/eng/qe/v49/i4/p330

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  • Квантовая электроника Quantum Electronics
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