24 Result(s)

Article

Vertical-Cavity Surface-Emitting Lasers for Miniature Quantum Frequency Standards

The results of the development of vertical-cavity surface emitting lasers based on Al \({}_{x}\) Ga ...

V. A. Gaisler, I. A. Derebezov… in Optoelectronics, Instrumentation and Data … (2021)

Article

Radiation of a Resonant Medium Excited by a Periodically Phase-Modulated Laser in the Regime of Strong Coupling between the Field and the Matter

The radiation of a two-level resonant medium that is placed into a cavity and is excited by a periodically phase modulated laser pulse is studied theoretically. The radiation is analyzed based on the analytica...

R. M. Arkhipov, M. V. Arkhipov, V. S. Egorov, I. A. Chekhonin… in Optics and Spectroscopy (2019)

Article

Interaction of Phase-Modulated Femtosecond Pulses with an Optically Dense Quasi-Resonant Medium of Rubidium Vapors

For the first time, it is demonstrated that the magnitude and sign of the effect of “spectral condensation” of a laser pulse at the resonant-transition frequency of a dense medium can be controlled by changing...

S. N. Bagaev, A. A. Preobrazhenskaya, N. A. Timofeev… in Optics and Spectroscopy (2018)

Article

Observation of parametric nonadiabatic excitation of collective resonances under femtosecond optical pum** of a dense resonant extended medium without population inversion under the conditions of strong light-matter coupling

We experimentally studied the superradiance of the resonant line of rubidium under femtosecond optical pum** of a dense extended medium without population inversion under conditions of strong lightmatter cou...

S. N. Bagaev, V. S. Egorov, A. A. Pastor, D. Yu. Preobrazhenskii… in Optics and Spectroscopy (2016)

Article

Light-induced polariton clusters and their application in optical signal processing

The properties of coupled long-lived states of the electromagnetic field + matter system that are induced by a collision of two counter-propagating coherent pulses in a dense resonant media are discussed. It i...

S. N. Bagaev, V. S. Egorov, V. G. Nikolaev… in Russian Journal of Physical Chemistry B (2015)

Article

An optoacoustical gravitational antenna

An optoacoustical gravitational detector that structurally combines the principles of interferometric and solid-state gravitational antennas is described. A large acoustical resonator, which is matched to a co...

S. N. Bagaev, L. B. Bezrukov, N. L. Kvashnin… in Instruments and Experimental Techniques (2015)

Article

Ceramics With Disordered Structure of the Crystal Field

[(Re _x Lu _y Y_1–x–y )₂O₃]_1–z (AO₂) _z laser ceramics have been synthesized, whe...

S. N. Bagaev, V. V. Osipov, V. L. Kuznetsov, V. I. Solomonov… in Russian Physics Journal (2014)

Article

Synthesis of ceramic active Nd:YAG laser medium

The research results on the synthesis of highly transparent YAG ceramics and the generation of radiation in samples are reported. The possibilities of the synthesis of highly transparent ceramics from nanopowd...

S. N. Bagaev, V. V. Osipov, V. A. Shitov, S. M. Vatnik… in Atmospheric and Oceanic Optics (2012)

Article

Pendulum waves and their singling out in the laser deformograph records of the large earthquakes

The paper discusses singling out of a slow deformation wave of pendulum type as an after-effect of a close-spaced strong earthquake. Based on the analysis of the laser records of the deformation process and af...

S. N. Bagaev, V. N. Oparin, V. A. Orlov, S. V. Panov… in Journal of Mining Science (2010)

Article

Photonic crystals based on natural oceanic biominerals

The photonic-crystal properties of natural biomineral crystals—siliceous basal spicules of glass sea sponges—have been studied for the first time. It is shown that the periodic arrangement of concentric cylind...

Yu. N. Kul’chin, S. N. Bagaev, O. A. Bukin, S. S. Voznesenskiĭ… in Technical Physics Letters (2008)

Article

Optical properties of natural biominerals—the spicules of the glass sponges

In the article are given the results of the researches of the glass sea sponges Hyalonema sieboldi and Ferronema sp. spicules as new object of nano-photonics. The distribution of refractive index over the cross s...

Yu. N. Kulchin, S. S. Voznesenskiy, O. A. Bukin… in Optical Memory and Neural Networks (2007)

Article

Spectral broadening of radiation from a femtosecond Cr:forsterite laser in highly nonlinear fibers

Spectral broadening of radiation emitted by a femtosecond Cr:forsterite laser in highly nonlinear fibers (HNLFs) has been investigated. Tapered HNLFs as well as fibers with constant dispersion and dispersion v...

S. N. Bagaev, V. I. Denisov, E. M. Dianov… in Journal of Experimental and Theoretical Ph… (2007)

Article

Tunable single-frequency diode-pumped, intracavity-doubled, traveling-wave Nd:YAG and Yb:YAG lasers

Single-frequency traveling-wave Nd:YAG and Yb:YAG lasers combining the functions of intracavity second harmonic generation and birefringent filter on one nonlinear crystal are discussed. The lasers were develo...

M. V. Okhapkin, M. N. Skvortsov… in Optoelectronics, Instrumentation and Data … (2007)

Article

Nonstationary parametric amplification of polychromatic radiation propagating in an extended absorbing resonant medium

An experimental and theoretical study of the two-wave interaction (of a probe wave and a pum** wave) of wide-band multimode laser pulses with an optically dense extended resonant medium (metastable neon atom...

S. N. Bagaev, V. S. Egorov, I. B. Mekhov, P. V. Moroshkin… in Optics and Spectroscopy (2003)

Article

Parametric collective phenomena during the propagation of polychromatic laser pulses in an optically dense resonant medium without population inversion

We experimentally and theoretically study the interaction of broadband polychromatic laser pulses with an optically dense resonant extended medium without population inversion. Experimental (probe field-pumpin...

S. N. Bagaev, V. S. Egorov, I. B. Mekhov, P. V. Moroshkin… in Optics and Spectroscopy (2002)

Article

High-order picosecond SRS and self-SRS generation in Nd³⁺-doped CaMoO₄, SrMoO₄, and SrWO₄ laser crystals

The results of a stimulated Raman scattering (SRS) spectroscopy study of Nd³⁺-doped CaMoO₄, SrMoO₄, and SrWO₄ crystals are presented. All the wavelengths of the Stokes and anti-Stokes generation observed in these...

A. A. Kaminskii, S. N. Bagaev, K. Ueda, K. Takaichi… in Crystallography Reports (2002)

Article

Observation of stimulated Raman scattering in Y₃Al₅O₁₂ single crystals and nanocrystalline ceramics and in these materials activated with laser ions Nd³⁺ and Yb³⁺

High-order Raman parametric generation was excited in the visible and near-IR regions on the Stokes and anti-Stokes lines of Y₃Al₅O₁₂ single crystals and nanocrystalline ceramics. All generation components, as we...

A. A. Kaminskii, H. J. Eichler, K. Ueda… in Journal of Experimental and Theoretical Ph… (2000)

Article

Narrow saturated absorption resonances in the transmission band of an active interferometer

The shape of the transmission band of an active interferometer, a resonator with amplification and absorption cells excited by an external signal, is studied. Upon tuning the external signal frequency, the nar...

S. N. Bagaev, A. A. Kurbatov, E. A. Titov in Optics and Spectroscopy (2000)

Article

A light-scattering spectrometer for medical diagnosis

S. N. Bagaev, V. A. Orlov, S. V. Panov in Biomedical Engineering (1995)