Temporal dynamics of resonant scattering of an ultrashort laser pulse by an atom

Within the framework of the second order of perturbation theory and the dipole approximation, we derived simple formulas describing the temporal dynamics of ultrashort laser pulse scattering in terms of the scattering tensor and the Fourier transform of the strength of the electric field in a pulse....

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Bibliographic Details
Published in:Applied physics. B, Lasers and optics Lasers and optics, 2020-06, Vol.126 (6), Article 110
Main Author: Astapenko, V. A.
Format: Article
Language:English
Subjects:
Applied physics
Dipoles
Discharge
Electric field strength
Engineering
Fourier transforms
Lasers
Optical Devices
Optics
Perturbation theory
Photonics
Physical Chemistry
Physics
Physics and Astronomy
Quantum Optics
Scattering
Tensors
Time dependence
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Summary:Within the framework of the second order of perturbation theory and the dipole approximation, we derived simple formulas describing the temporal dynamics of ultrashort laser pulse scattering in terms of the scattering tensor and the Fourier transform of the strength of the electric field in a pulse. This expression was used for description of resonant scattering of an ultrashort pulse by an atom. We study the dependence of the spectral scattering probability as a function of time and scattering frequency. In particular, it is shown that the time dependence of the spectral scattering probability for certain values of parameters is of oscillatory character, while the integral scattering probability is always a monotonically increasing function of time.
ISSN:0946-2171
1432-0649
DOI:10.1007/s00340-020-07465-w