Temporal dynamics of focal point location under self-focusing of nanosecond laser pulses
Characteristic main features of the location, velocity and the acceleration of the focal point which are determined with taking the group speed of laser radiation into consideration. Definition of the acceleration of the focal point at the exit.
Подобные документы
The phases of interstitial formed as a result of interaction of atoms of transitive metals with atoms of smaller sizes. The characteristic features of the electron diffraction patterns of films nickel irradiated with various doses of carbon ions.
статья, добавлен 30.07.2016Equations of motion for nuclear shape variables which establish a direct connection of the memory effects with the dynamic distortion of the Fermi surface. Applying the non-Markovian dynamics to the description of the nuclear giant multipole resonances.
статья, добавлен 12.09.2013Distance is used for interacting channel fragments in resonating group calculation of elastic scattering 3He(d, d)3He. Simple two level approximation of this dependence enables to obtain an essential improving of calculated differential cross sections.
статья, добавлен 02.09.2013Analysis of the structure of the electromagnet. Features of the equivalent circuit of the electromagnet. Stages of the calculation of the magnetic flux and the electromagnetic force. Consideration of ways to determine the electromagnetic forces.
реферат, добавлен 04.09.2012Propose a new approach, based on the evolutionary algorithm, which enables to extract a scattering matrix S. Consideration of the model-independent definition scattering matrix. Study the basic aspects of the independence of the final S-matrix forms.
статья, добавлен 11.11.2013- 81. Simultaneous determine of Doppler shift and group delay time using amplitude modulated chirp-signal
Differential Doppler shift between rays as one of the main parameter of radio channel. The method of calculation of the transmitter radiate continuous amplitude-modulated continuous wave. Analysis of the spectrums of differential signal elements.
статья, добавлен 30.10.2016 Presents methods for evaluation and improvement of output quality of an autonomous power supply system. Characteristic of the output impedance of a switching voltage regulator. Research and analysis features of the process setup for measuring impedance.
статья, добавлен 24.05.2018Analysis of the spectroscopic characteristics of interstellar matter. Relationship with the origin of the diffuse interstellar bands, consideration of the basic features. Meeting with relationships and comparison stars, particularities of the study.
контрольная работа, добавлен 17.10.2013The system of Dirac equations describing the dynamics of quarks in hadrons metric. Assumed that the quarks interact via an external Yang-Mills field. Magnetic moments of the proton, neutron and lambda baryon. Model of the baryons in a stationary metric.
статья, добавлен 29.04.2017- 85. Molecular dynamics study of the mechanical properties of the grapheme-like titanium carbide Ti2C
Molecular dynamics simulations have been performed to study the mechanical properties of two-dimensional titanium carbide under tensile deformation. Young modulus was calculated from the linear part of strain-stress curve. The structure of the samples.
статья, добавлен 30.07.2016 A system of Dirac equations describing the dynamics of quarks in the metric of atomic nuclei. Description of the binding energy of nucleons as a function of the quark content. Dependence of the binding energy of nucleons similar to electron shells.
статья, добавлен 29.04.2017The features of surface waves motion and the analysis of methods for finding the timing and patterns of change in motion R-waves along the free surface. The calculate time - frequency performance under different formulas and compared with each other.
статья, добавлен 27.07.2016The task on the classification of the linear stochastic differential Ito equation of a given type which changes due to the parameters appearing in this equation. The study is a table full of group classification of the equations. Lie operation algebra.
статья, добавлен 22.01.2017Factors that reduce the strength properties of ferromagnetic iron oxides impurities of oxides of stoichiometric composition, etc. Using Mossbauer spectroscopy and x-ray diffraction analysis to determine the effects of magnetic pulses on iron oxides.
статья, добавлен 13.10.2016Conducting anhydrous nitriding in a glow discharge with AC power supply of industrial frequency. Analysis of switching the shape of pulses, changes in their polarity, which is solved by the introduction of a device for nitriding in a glow discharge.
статья, добавлен 03.06.2022Familiarity with the main features of the experimental study of hydrodynamic luminescence in a cavitating liquid medium, problem analysis. General characteristics of important stages of development of the basic hydraulic scheme of the test bench.
статья, добавлен 20.09.2021Absorption spectra of circular dichroism, refractive indices, optical activity of crystals with the structure of Ca-halogerman, not activated and activated by ions of the iron group. Optical activity of pure and element-doped crystals of Ca-halogerman.
статья, добавлен 20.05.2018Review and analysis of physical and numerical modeling of the field emission energy conversion nanoscale systems. Study and characterization of the main features of the systems with a cathodes based on an array of carbon nanotubes or quantum dots.
статья, добавлен 30.07.2016Measurement of an exit of reaction of nd of disorder in experiment on the RADEKS neutron channel of Institute of nuclear researches (Moscow). Detecting of two secondary neutrons in a configuration a neutron-neutron interaction in a final condition.
статья, добавлен 02.09.2013At deuteron energy of 37 MeV the 6He inclusive spectra are measured in the exit channel of reaction 7Li(d,6He)3He. Structure of 6He spectra explained by processes of excitation and decay of 7Li and 7He unbound states in accompanied reaction channels.
статья, добавлен 14.11.2013Analysis concept of semiconductor is a solid whose electrical conductivity is in between that of a conductor and that of an insulator. Familiarization with the methods carrier recombination. Description features of preparation of semiconductor materials.
статья, добавлен 14.04.2015Approach to signals and systems on the base of relativistic time dilation. Presentation of relativistic time dilation in frequency area. Relativistic generalization of Nyquist-Shannon theorem. Calculation of the Lorentz factor versus relative velocity.
статья, добавлен 27.04.2019Studding of Deposition of uniform coatings in the vacuum arc deposition setup. A control unit consisted of two electromagnetic coils installed under substrate of 400 mm dia. exposed to the plasma flux at a distance of 325 mm from the plasma duct exit.
статья, добавлен 30.07.2016The velocity fields been studied within a semiclassical approach based on the solution of the Vlasov kinetic equation for finite component Fermi systems with a moving surface. The neutron-proton asymmetry and dynamical surface effects the energy region.
статья, добавлен 19.09.2013Main Objectives of the Project. Alternatives of future. Stages of the Project. Methods and Information Energy in everyday. Main Results of the Project. Dinamics of power engineering. Sectoral and National Critical Technologies for Priority Area.
презентация, добавлен 31.01.2015