Category Archives: Статья

Locally constant and crossed field approximation for description of the photon emission in a strong oscillating electric field

A. A. Mironov, E. G. Gel’fer, A. M. Fedotov Prokhorov General Physics Institute of the Russian Academy of Sciences, Moscow ELI Beamlines, Institute of Physics of the ASCR, v.v.i., Dolni Brezany, Czech Republic National Research Nuclear University MEPhI Abstract: The process of photon emission by a scalar particle (spinless analogue of an electron) in the… Read More »

Model of intensity redistribution in a pair of laser beams intersecting in a plasma

S. V. Bondarenko, I. R. Smagin, O. O. Sharov Federal State Unitary Enterprise “Russian Federal Nuclear Center — All-Russian Research Institute of Experimental Physics”, Sarov, Nizhny Novgorod region Abstract: A physico-mathematical model is proposed that makes it possible to estimate the level of energy transfer in two laser beams intersecting in a target plasma [cross-beam… Read More »

Circular HTSC-MAGLEV system for noncontact acceleration and injection of cryogenic fuel targets at the laser focus of ICF facility

I. V. Aleksandrova, A. A. Akunets, S. Yu. Gavrilkin, V. D. Zvorykin, O. M. Ivanenko, E. R. Koresheva, E. L. Koshelev, K. V. Mitsen, A. I. Nikitenko, T. P. Timasheva, A. Yu. Tsvetkov P. N. Lebedev Physical Institute of the Russian Academy of Sciences, Moscow Abstract: One of the key directions in the field of inertial confinement… Read More »

Electron diffraction study of structural changes in a thin GeTe crystal under the action of high-power femtosecond laser radiation

B. N. Mironov, I. V. Kochikov, S. A. Aseev, V. V. Ionin, A. V. Kiselev, A. A. Lotin, S. V. Chekalin, A. A. Ischenko, E. A. Ryabov  Institute of Spectroscopy, Russian Academy of Sciences, Troitsk, Moscow  Faculty of Physics, Lomonosov Moscow State University Institute on Laser and Information Technologies, Branch of the Federal Research Centre… Read More »

Use of hydroxylamine sols of silver nanoparticles for obtaining reference giant Raman scattering spectra

E. G. Evtushenko, E. S. Gavrilina, D. Yu. Gusarova, A. D. Vasilyeva, L. V. Yurina, I. N. Kurochkin Lomonosov Moscow State University, Faculty of Chemistry Emanuel Institute of Biochemical Physics, Russian Academy of Sciences, Moscow Abstract: Surface-enhanced Raman spectroscopy (SERS), due to its high sensitivity, is widely used as a sensitive method in various analytical… Read More »

Cavity optimisation of high-power InGaAs/AlGaAs/GaAs semiconductor lasers (λ=1060 nm) for efficient operation at ultrahigh pulsed pump currents

S. O. Slipchenko, O. S. Soboleva, V. S. Golovin, N. A. Pikhtin Ioffe Institute, St. Petersburg Abstract: On the basis of the developed numerical 2D semiconductor laser model, we study the effect of cavity parameters on optical losses and analyse the choice of the optimal cavity parameters for efficient operation under ultrahigh pulsed pump currents. It… Read More »

High power and repetition rate integral laser source (1060 nm) based on laser diode array and 2D multi-element opto-thyristor array as a high-speed current switch

S. O. Slipchenko, A. A. Podoskin, V. V. Zolotarev, L. S. Vavilova, A. Yu. Leshko, M. G. Rastegaeva, I. V. Miroshnikov, I. S. Shashkin, N. A. Pikhtin, T. A. Bagaev, M. A. Ladugin, A. A. Padalitsa, A. A. Marmalyuk, V. A. Simakov  Ioffe Institute, St. Petersburg  Polyus Research and Development Institute named after M. F. Stel’makh, Moscow Abstract:… Read More »

Quasi-cw high-power laser diode mini bars (λ=976 nm) with increased length of a resonator based on asymmetric heterostructures with a broadened waveguide

S. O. Slipchenko, A. A. Podoskin, V. A. Kryuchkov, V. A. Strelets, I. S. Shashkin, N. A. Pikhtin Ioffe Institute, St. Petersburg Abstract: Mini laser bars with 6-mm resonator length that include 5×100 μm emitters with a 25% fill factor are designed. It is shown that under pump current pulses of 1.0–9.5 ms duration (a 10… Read More »

Laser diodes (850nm) based on an asymmetric AlGaAs/GaAs heterostructure with a bulk active region for generating high-power subnanosecond optical pulses

A. A. Podoskin, I. Shushkanov, V. V. Shamakhov, A. Rizaev, M. Kondratov, A. A. Klimov, S. V. Zazulin, S. O. Slipchenko, N. A. Pikhtin Ioffe Institute, St. Petersburg “FID Technology” Research and Production Association, St. Petersburg   Abstract: We report the development and investigation of laser diodes based on an asymmetric AlGaAs/GaAs heterostructure with a bulk active… Read More »