Kazan state Federal University E-Archive :: Browsing by Author "Garnaeva G."

Application of modern physical laboratory equipment for professional competence formation of practice-oriented teachers in physics

Nizamova E.; Garnaeva G.; Nefediev L.; Mingazov R. (2019)

© 2019, Institute of Advanced Scientific Research, Inc.. All rights reserved. The urgency of problem specified in the article stems from the fact, that requirements to innovative development of economy and present day ...

Coherent Optical Information Processing Using a Stimulated Echo Hologram

Garnaeva G.; Nefediev L.; Sahbieva A. (2016)

© 2016 Springer Science+Business Media New York We consider information recording and reconstruction using a reversed stimulated echo hologram, when the recording medium is exposed to pulses of nonresonant electromagnetic ...

Coherent Optical Information Processing Using a Stimulated Echo Hologram

Garnaeva G.; Nefediev L.; Sahbieva A. (2016)

© 2016, Springer Science+Business Media New York.We consider information recording and reconstruction using a reversed stimulated echo hologram, when the recording medium is exposed to pulses of nonresonant electromagnetic ...

Control of image reproducibilty in a response of a stimulated echo hologram

Garnaeva G.; Nefediev L.; Sakhbieva A. (2017)

© 2017 Kvantovaya Elektronika and Turpion Ltd.We consider image recording and reproduction using a reversed stimulated echo hologram, with a recording medium exposed to pulses of nonresonant electromagnetic standing waves. ...

Dependence of the time of the appearance of a Stark echo response on irreversible relaxation of a system

Akhmedshina E.; Nefed’ev L.; Garnaeva G. (2016)

© 2016, Pleiades Publishing, Ltd.The dependence of the time of the appearance of a Stark (gradient) echo response on the irreversible transverse relaxation time of a system in the nanosecond range and on the width of the ...

Differentiation of the Contribution of Velocity-Changing Gas-Particle Collisions to Attenuation of the Stimulated Photon Echo Response

Ahmedshina E.; Nefediev L.; Nefedyev Y.; Garnaeva G.; Zamaliev N. (2019)

© 2019, Springer Science+Business Media, LLC, part of Springer Nature. The effect of velocity-changing gas-particle collisions on the intensity of the stimulated photon echo response is investigated. The intensity is ...

Effect of Collisions on the Form of Stimulated Photon Echo in a Gas

Akhmedshina E.; Nefediev L.; Garnaeva G. (2015)

© 2015 Springer Science+Business Media New York The spectral diffusion and time–frequency correlation of an inhomogeneously (Doppler) broadened line in a gas with velocity-changing collisions of particles in addition to ...

Effect of inhomogeneous electric field intensities on stark echo formation

Garnaeva G.; Nefed'ev L.; Akhmedshina E. (2012)

We show that it is possible to control the appearance time of the Stark echo response by varying the intensity of inhomogeneous electromagnetic fields. We found that when the system is exposed to nonresonant laser pulses ...

Effect of relaxation processes on stark echo intensity in the presence of nonresonant laser pulses with spatial inhomogeneity

Garnaeva G.; Nefediev L.; Ahmedshina E. (2013)

We have studied the dependence of the intensity and appearance time of the Stark echo response on the ratio of the field strengths of nonresonant laser pulses with spatial inhomogeneity. We show that with excitation of a ...

Effect of Velocity-Changing Gas Particle Collisions on the Temporal Shape of an Object Laser Pulse in Stimulated Echo-Hologram Responses

Ahmedshina E.; Nefediev L.; Garnaeva G. (2017)

© 2017, Springer Science+Business Media, LLC. The effect of collisions with changes in the direction of the particle velocities in a gas on the reproduction of information in stimulated echo-hologram responses is examined. ...

Effectiveness of Locking a Stimulated Photon Echo in a Three-Level System, Depending on the Mutual Orientation of Standing Waves of Nonresonant Laser Pulses

Ahmedshina E.; Nefediev L.; Garnaeva G. (2014)

We consider the effectiveness of locking the stimulated photon echo response in a three-level system, depending on the mutual orientation of external nonresonant electromagnetic standing waves. We show that the effect of ...

Efficiency of Locking of a Long-Living Photon-Echo Response in the Presence of External Nonresonant Laser Pulses with Different Spatial Inhomogeneity

Garnaeva G.; Nefediev L.; Hakimzyanova E. (2013)

We study correlations between the inhomogeneous line broadening and the efficiency of locking of a long-living photon-echo response. We show that the efficiency of locking of a long-living photon-echo signal depends weakly ...

Features of the formation of the Stark echo for various values of the gradients of external inhomogeneous electric fields

Nefed'ev L.; Garnaeva G.; Khakimzyanova E. (2011)

This paper shows that it is possible to control the time of appearance of a Stark echo by varying the ratio of the gradients of external inhomogeneous electric fields. © 2011 Optical Society of America.

Formation of a Stark echo when external nonresonance laser fields with spatial inhomogeneity have various relative orientations

Garnaeva G.; Nefed'ev L.; Akhmedshina E. (2012)

This paper shows that the response time of a Stark echo can be controlled by varying the relative orientation of inhomogeneous electromagnetic fields. It is found that, if nonresonance laser pulses that are spatially ...

Formation of stimulated photon echo by nonresonant laser pulses

Nefed'ev L.; Khakimzyanova E.; Garnaeva G. (2013)

We have studied formation of a stimulated photon echo on exposure to nonresonant standing-wave laser pulses. We show that a slight difference between the wavelengths of the nonresonant laser pulses leads to the effect of ...

Frequency-Temporal Correlation of Inhomogeneous Broadening for Different Modes of Excitation of Stimulated Photon Echo

Garnaeva G.; Nefediev L.; Ahmedshina E.; Hakimzyanova I. (2015)

© 2015, Springer Science+Business Media New York. The correlation coefficient for isochromatic curves of a laser-excited inhomogeneously broadened line is found to depend on the excitation region. The correlation between ...

Frequency-time correlation of the inhomogeneous broadening of a resonance line and data-locking efficiency in various setups for exciting a stimulated photon echo

Ahmedshina E.; Garnaeva G.; Nefediev L.; Sakhbieva A. (2014)

© 2014 Optical Society of America. This paper discusses the data-locking efficiency when data is recorded by means of stimulated-photon echo and the dependence of the frequency-time correlation coefficient of inhomogeneous ...

Frequency–time correlation of inhomogeneous broadening in a three-level system and the stimulated photon echo locking effect

Nefed’ev L.; Nizamova E.; Garnaeva G. (2016)

© 2016, Pleiades Publishing, Ltd.The frequency–time correlation of inhomogeneous broadening on different transitions in a threelevel resonant medium in the presence of external spatially nonuniform electric fields is ...

Information entropy method and the description of echo hologram formation in gaseous media

Garnaeva G.; Nefediev L.; Akhmedshina E. (2018)

© 2018 Astro Ltd. The effect of collisions with a change in velocity of gas particles, on the value of information entropy, is associated with the spectral structure of the echo hologram's response, where its temporal form ...

Information losses when recording the stimulated echo-hologram in gas media

Akhmedshina E.; Nefediev L.; Garnaeva G.; Zamaliev N. (2018)

© Published under licence by IOP Publishing Ltd. Considered is the impact of collisions with the change of the particles velocity in the 174Yb vapor exerted on the information reproducibility in the stimulated echo hologram ...

Browsing by Author "Garnaeva G."

Browsing by Author "Garnaeva G."

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