171 citations
- Russian Academy of SciencesRU98 papers
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- Deutsches Zentrum für Luft- und Raumfahrt e. V. (DLR)DE43 papers
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- Christian-Albrechts-Universität zu KielDE22 papers
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7 papers · 1 filter
Self-focusing of CW Laser Beam with Variable Radius in Rubidium Atomic Vapor
V. A. Sautenkov, M. N. Shneider, S. A. Saakyan +5
Self-focusing of a cw laser beam in rubidium atomic vapor was studied. The beam power and beam spot size at entrance of a glass cell with the rubidium vapor were variable parameter…
Nonlinear Transfer of Intense Few Cycle Terahertz Pulse Through Opaque n-doped Si
O. V. Chefonov, A. V. Ovchinnikov, M. B. Agranat +4
Intense few cycle terahertz pulses exhibit complex non-linear behavior under interaction with heavily n-doped Si. Fast increase in the transmission of a 700 fs pulse (central frequ…
Giant self-induced transparency of intense few-cycle terahertz pulses in n-doped silicon
O. V. Chefonov, A. V. Ovchinnikov, S. A. Romashevskiy +5
The results of high-field terahertz transmission experiments on n-doped silicon (carrier concentration of cm) are presented. We use terahertz pulses with…
Nonlinear waves in a positive-negative coupled waveguide zigzag array
Elena V. Kazantseva, Andrey I. Maimistov
We consider the coupled electromagnetic waves propagating in a waveguide array, which consists of alternating waveguides of positive and negative refraction indexes. Due to zigzag…
Spallative ablation of dielectrics by X-ray laser
N. A. Inogamov, V. V. Zhakhovsky, A. Ya. Faenov +15
Short laser pulse in wide range of wavelengths, from infrared to X-ray, disturbs electron-ion equilibrium and rises pressure in a heated layer. The case where pulse duration …
Two-temperature relaxation and melting after absorption of femtosecond laser pulse
N. A. Inogamov, V. V. Zhakhovskii, S. I. Ashitkov +6
The theory and experiments concerned with the electron-ion thermal relaxation and melting of overheated crystal lattice constitute the subject of this paper. The physical model inc…