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
Testing TimePix micropixel chip as a detector of low energy ions in a focal plane of the laser mass-spectrometer. A unity of pixels over ion mass. Creating "electronic focal plane" of a mass-spectrometer with obvious advantages of real time devices.
статья, добавлен 28.09.2013Features of the influence of high-frequency laser radiation on the characteristics of tungsten graphene. An analysis of the causes of the gap in graphene creates a gap in the band of the spectrum in the conditions of a high-frequency electromagnetic wave.
статья, добавлен 23.12.2016Nanofluids are liquids suspensions containing nanoparticles dispersed in a liquid. An investigation is for measurement of the freezing point and studying the supercooling point. The T-historic method based on the measurement of the point of inflexion.
статья, добавлен 17.04.2013Photothermal effect of laser radiation on frozen biotissues. Тissue cryopreservation with using cooling, frizzing, laser heating. Тhe self-propagating high temperature synthesis. Using of nanoparticles high photo-thermal effect for laser of biotissues.
статья, добавлен 21.06.2018Characteristic features of lasers operating in continuous-wave or quasi-CW regimes generate a restricted output optical power, which is limited by a maximum available pump power. Analysis Raman spectrum measured for the graphene-deposited fibre ferrule.
статья, добавлен 29.01.2016Laser as a distinctive type of optical light with special characteristics that combine wavelength, direction and similarity. The use of the laser as the most effective type of physical effect in medicine, especially in the treatment of skin lesions.
статья, добавлен 12.06.2018In this paper we represent the distinguished laser interferometer technique that allows the wide sort of precise object displacements to be measured with the instrumental resolution up to 1 pm. Indicated the accuracy of reading of the interferometer.
реферат, добавлен 04.11.2018Study of the history of origin of the basic concepts of optical resonators and lensguides, development of new concepts and still further knowledge in this area in the first decade of the laser era. The technical aspects of optical beams and resonators.
статья, добавлен 09.09.2012Numerical simulation of the excitation of a plasma wave-phase field by means of a generated laser pulse. Increase in the coefficient of transformation. The length of the shaped laser pulse. The maximum energy, to which electrons can be accelerated.
статья, добавлен 22.12.2016Classical interaction of a magnet and a point charge: the Shockley-James paradox. Understanding the recoil of the current loop. Calculating a magnet model consisting of interacting point charges which are constrained to move in a circular orbit.
лабораторная работа, добавлен 26.05.2014Newton’s laws for gravitation and resultant acceleration. Modeling a two body motion analogue system. The assumption that the angular velocities involved were considerably more less than one radians per second. Using of the Lambert’s wave function.
статья, добавлен 09.09.2012The classical electromagnetic interaction of a point charge. The Darwin-Lagrangian and electromagnetic fields. Two-particle model for a magnetic moment. Conservation laws and transition to a multiparticle magnet. Forces in the multiparticle limit.
статья, добавлен 11.09.2012Characteristic features of the effect of noise on the power and polarization characteristics of semiconductor lasers within the scope of our earlier model which considers polarization switching. Research and analysis of results of numerical simulation.
статья, добавлен 29.01.2016Analysis of the working analytical relations describing the focal length of the axicon and its dependence on different geometrical parameters as well as the torsion moment has been derived. Review and characterization describe a gradient-index axicon.
статья, добавлен 29.01.2016- 15. Heteroepitaxial 96x128 Lead Chalcogenide on Silicon Infrared Focal Plane Array for Thermal Imaging
The realization of a 2-d narrow gap IR-FPA on a Si-substrate containing the active addressing electronics: A 96x128 array with 75 µm pitch for row-by row electronic scanning and parallel read-out of the line addressed. Photovoltaic sensors in the layers.
статья, добавлен 28.06.2013 - 16. Peaceful atom
Consideration of the features of the energy of thermonuclear fusion. Study of the problems of nuclear power plants. The radiation hazard assessment. Devices designed to determine the level of radiation. The principle of operation of the Geiger counter.
статья, добавлен 20.02.2019 In the article, author defines the theoretical component of the introductory process from the point of view of the laws of thermodynamics. At the ecosystem level, plant groups with environmental conditions characteristic for each species were analyzed.
статья, добавлен 03.09.2022Optical amplification, quantum non demolition measurements and optimal quantum cloning. Photon pairs generated by parametric down conversion. Random number generators. Experimental cryptography with Faint laser pulses. Multi-users implementations.
книга, добавлен 08.03.2014A Generators of the Poincare Group for Electromagnetism. Derivation of the Center-of-Energy Law. Conservation Laws in the Presence of External Forces on Particles. Quasi-static Changes for Stationary Systems. Single Point Mass. Parallel Plate Capacitor.
статья, добавлен 11.09.2012Capabilities of two plasma assisted methods based on a pulsed laser ablation and electrical discharges in liquid media for fabrication of metallic and composite nanoparticles. Production of metallic and composite nanoparticles with controlled parameters.
статья, добавлен 30.07.2016In microwave systems of radio-location, communication and navigation the strictest requirements are placed on a powerful output amplifier and a low-noise input device. For the output amplifier the linearity must be combined with a high level of power.
статья, добавлен 04.11.2018The main proof of Earth's rotation in the system of Copernicus from the point of view of physics scientists Hooke and Newton. Tests conducted by scientists for several centuries. The first dynamic proof of the rotation of the Earth Foucault scholar.
доклад, добавлен 26.01.2015New patterns of display of transversal of Doppler effect in nonrelativistic case at the multi-wave concerted sounding. The feature of MDLL as independence of frequency of Doppler signal on the output of QD from a wave-length the emission accepted EM.
статья, добавлен 22.12.2016Characteristic variable capacitor structure. The definition of electronic control features. Issdelovanie circuit AC bridge. Determination of the resistance measuring bridge capacitors parameters. Consideration device universal scheme of the bridge.
реферат, добавлен 17.12.2015An analysis over of character of the isodenses of conical charge products, got by mathematical design. Consideration of character of intermediate initiator using in a downhole charge as the truncated cone at his location in the ground part of hole.
статья, добавлен 29.10.2020