Category Archives: Статья

Possibility of measuring asymmetry of the red blood cell size distribution by laser diffractometry of a blood smear

S. Yu. Nikitin, E. G. Tsybrov, M. S. Lebedeva, A. E. Lugovtsov, A. V. Priezzhev Faculty of Physics, Lomonosov Moscow State University Faculty of Computational Mathematics and Cybernetics, Lomonosov Moscow State University Abstract: An algorithm is proposed for measuring the parameters of the size distribution of red blood cells using the data of laser diffractometry… Read More »

Acousto-optic laser frequency shifters with a large angle between direct and diffracted beams

M. M. Mazur, L. I. Mazur, V. N. Shorin, A. V. Aprelev Russian Metrological Institute of Technical Physical and Radio Engineering, Mendeleevo, Moscow region Abstract: We propose designs of laser frequency shifters providing a large separation angle between direct and diffracted beams. Two variants of frequency shifters are analysed, differing in the mutual arrangement of… Read More »

Requirements for dynamic characteristics of adaptive optics systems

V. P. Lukin V.E. Zuev Institute of Atmospheric Optics, Siberian Branch of the Russian Academy of Science, Tomsk Abstract: Dynamic characteristics of adaptive optics systems operating with radiation transmitted through a turbulent atmosphere are analysed on the basis of analytical calculations of the Strehl ratio using the theory of optical wave propagation in randomly inhomogeneous… Read More »

Optimisation of light focusing by mesowave Fresnel phase plates with tilted zone profiles

Yu. E. Geints, E. K. Panina V.E. Zuev Institute of Atmospheric Optics, Siberian Branch of the Russian Academy of Science, Tomsk Abstract: We present the results of numerical simulation of optical radiation focusing by a phase Fresnel zone plate (ZP) of mesowave size with zones having an inclined profile. In order to reveal the features… Read More »

Optical system for implementing accurate two-qubit gates on neutral atoms

P. I. Betleny, I. I. Beterov Rzhanov Institute of Semiconductor Physics, Siberian Branch of Russian Academy of Sciences, Novosibirsk Novosibirsk State University Institute of Laser Physics, Siberian Branch, Russian Academy of Sciences, Novosibirsk Novosibirsk State Technical University Abstract: Schemes for laser excitation of ultracold Rydberg rubidium atoms in optical dipole traps are considered for implementing… Read More »

Modulation instability during the propagation of three or four waveguide modes in a thin left-handed film on a right-handed nonlinear substrate

Yu. V. Zelenetckaya, E. V. Kuz’minskaya, R. V. Litvinov, N. R. Melikhova Tomsk State University of Control Systems and Radioelectronics National Research Tomsk Polytechnic University Abstract: We consider the modulation instability of TE2 modes propagating in a thin left-handed film on a right-handed Kerr substrate at a frequency near their zero group velocity for the… Read More »

Improving the response linearity of a fibre phase-OTDR by averaging responses over a set of fibres in a fibre cable

D. E. Simikin, A. E. Alekseev, B. G. Gorshkov, V. T. Potapov, M. A. Taranov Kotelnikov Institute of Radioengineering and Electronics, Fryazino Branch, Russian Academy of Sciences LLC “Petrofibre”, Novomoskovsk, Tula region Prokhorov General Physics Institute of the Russian Academy of Sciences, Moscow Abstract: A method is proposed for improving the response linearity of a… Read More »

Optical properties of high numerical aperture silica fibres coated with amorphous perfluorinated polymers

V. I. Sokolov, I. O. Goriachuk, A. A. Zamyatin, A. A. Makovetskii, D. V. Ryakhovskiy Federal Research Centre Crystallography and Photonics, Russian Academy of Sciences,Moscow Kotelnikov Institute of Radioengineering and Electronics, Fryazino Branch, Russian Academy of Sciences Abstract: Samples of optical silica fibres with a reflective cladding made of amorphous perfluorinated copolymers of perfluoro-2,2-dimethyl-1,3-dioxol and… Read More »

Electric field enhancement in metal-dielectric metasurface based on periodic nanocavities

A. V. Ivanov, N. V. Bakholdin, M. S. Mikhailov, A. N. Lagarkov, I. A. Ryzhikov, K. N. Afanasyev, I. V. Bykov, A. F. Smyk, A. V. Shurygin, A. N. Shalygin, G. Barbillon, A. K. Sarychev Institute for Theoretical and Appliance Electrodynamics, Russian Academy of Sciences, Moscow National Research University “Moscow Power Engineering Institute” National Research… Read More »

Control of the properties of nanostructures using few-cycle pulses

R. M. Arkhipov, P. A. Belov, M. V. Arkhipov, A. V. Pakhomov, N. N. Rosanov St. Petersburg State University Ioffe Institute, Russian Academy of Sciences, St. Petersburg St. Petersburg State University, I.N. Uraltsev Research Laboratory of Spin Optics Abstract: Based on the numerical solution of the time-dependent Schrödinger equation, we study the interaction of attosecond… Read More »