Category Archives: Статья

Parameters of electric spark microchannels in the near-anode region of the discharge

E. V. Parkevich, A. I. Khiryanova, T. F. Khiryanov, K. V. Shpakov, Ch. T. Smaznova, Ya. K. Bolotov, S. A. Ambrozevic Lebedev Physical Institute, Russian Academy of Sciences, 119991, Moscow, Russia Moscow Institute of Physics and Technology (National Research University), 141700, Dolgoprudnyi, Moscow oblast, Russia Bauman Moscow State Technical University, 105005, Moscow, Russia Abstract: We… Read More »

Photonic microwave oscillator with reduced phase noise at small offsets from the carrier frequency

A. S. Shelkovnikov, A. N. Kireev, D. A. Tyurikov, M. A. Gubin Lebedev Physical Institute, Russian Academy of Sciences, 119991, Moscow, Russia Abstract: We have developed a transportable laboratory sample of a photonic microwave oscillator (PMO) based on an optical frequency standard (He–Ne/CH4 laser, λ = 3.39 μm) and an optical frequency divider (femtosecond Er-doped… Read More »

Bi@SiO2 core@shell composites formation based on laser synthesized Bi nanoparticles

A. V. Skribitskaya, N. Korotkova, P. Kotelnikova, G. V. Tikhonowski, A. Popov, S. M. Klimentov, I. N. Zavestovskaya, A. V. Kabashin National Research Nuclear University MEPhI, 115409, Moscow, Russia M. M. Shemyakin and Yu. A. Ovchinnikov Institute of Bioorganic Chemistry of the Russian Academy of Sciences, 117997, Moscow, Russia Lebedev Physical Institute, Russian Academy of… Read More »

X-ray contrast properties of bismuth-based nanoformulations

M. S. Savinov, O. Griaznova, G. V. Tikhonowski, A. A. Popov, I. N. Zavestovskaya, S. M. Klimentov, A. V. Kabashin National Research Nuclear University MEPhI, Institute for Physics and Engineering in Biomedicine, 115409, Moscow, Russia Skolkovo Institute of Science and Technology, Center for Photonic Science and Engineering, 121205, Moscow, Russia Shemyakin and Ovchinnikov Institute of… Read More »

New high-reliability optical transmission modules based on powerful superluminescent diodes in the spectral range 1.5 – 1.6 μm

D. R. Sabitov, V. N. Svetogorov, Yu. L. Ryaboshtan, M. A. Ladugin, A. A. Marmalyuk, M. G. Vasil’ev, A. M. Vasil’ev, Yu. O. Kostin, A. A. Shelyakin LLC Sigm Plus, 117342, Moscow, Russia Peoples’ Friendship University of Russia, 117198, Moscow, Russia National Research Nuclear University MEPhI, 115409, Moscow, Russia Kurnakov Institute of General and Inorganic… Read More »

Differentiation and integration of images in different channels using one acousto-optic filter

V. M. Kotov, S. V. Averin, A. A. Zenkina, A. S. Belousova, M. V. Karachevzeva, A. N. Bulyuk Kotelnikov Institute of Radioengineering and Electronics, Fryazino Branch, Russian Academy of Sciences, 141190, Fryazino, Moscow oblast, Russia Abstract: We report a theoretical and experimental investigation of two-dimensional Fourier processing of an image using two channels when the… Read More »

The influence of the mode intensity profile on the population kinetics of terbium ion levels and the excitation of luminescence in a few-mode chalcogenide fiber

E. A. Romanova, N. Parshina, V. S. Shiryaev Chernyshevsky Saratov National Research State University, 410012, Saratov, Russia Institute of Chemistry of High-Purity Substances RAS, Nizhnii Novgorod Abstract: Based on the concepts of the wave theory of optical fibers, the excitation of luminescence in a few-mode fiber made of chalcogenide glass doped with terbium ions is… Read More »

Generation of supercontinuum in a nonlinear fiber light guide. Controlling the Raman soliton wavelength by controlling the polarization state of the pump pulse

D. A. Korobko, I. S. Panyaev, P. A. Itrin, I. O. Zolotovskii Ulyanovsk State University, 432017, Ulyanovsk, Russia Abstract: The problem of generating ultrashort Raman solitons with a wavelength in the range of 1600 – 1700 nm, which are formed in a nonlinear fiber when splitting a high-power pump pulse with a wavelength of ∼1550… Read More »

Lasing from molecular nitrogen ions at a wavelength of 391.4 nm in laser plasma

I. A. Zyatikov, V. F. Losev Institute of High Current Electronics, Siberian Branch, Russian Academy of Sciences, 634055, Tomsk, Russia Abstract: We report results of experimental studies on spectral, temporal, energy and spatial characteristics of coherent radiation at a wavelength of 391.4 nm [B2∑+u(0) – X2∑+g(0) transition of molecular nitrogen ion]. Lasing occurs in pure… Read More »