Персона: Тищенко, Алексей Александрович
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Институт нанотехнологий в электронике, спинтронике и фотонике
Институт ИНТЭЛ занимается научной деятельностью и подготовкой специалистов в области исследования физических принципов, проектирования и разработки технологий создания компонентной базы электроники гражданского и специального назначения, а также построения современных приборов на её основе.
Наша основная цель – это создание и развитие научно-образовательного центра мирового уровня в области наноструктурных материалов и устройств электроники, спинтроники, фотоники, а также создание эффективной инновационной среды в области СВЧ-электронной и радиационно-стойкой компонентной базы, источников ТГц излучения, ионно-кластерных технологий материалов.
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Алексей Александрович
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47 results
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Теперь показываю 1 - 10 из 47
- ПубликацияТолько метаданныеGEANT4 FOR INVERSE COMPTON RADIATION SOURCE SIMULATIONS(2021) Savchenko, A. A.; Tishchenko, A. A.; Sergeeva, D. Yu.; Савченко, Александр Алексеевич; Тищенко, Алексей Александрович; Сергеева, Дарья Юрьевна© 27th Russian Particle Accelerator Conference, RuPAC 2021. All rights reserved.In this paper, creation and implementation of the Compton backscattering module into the Geant4 package are under consideration. Created module of Compton backscattering has been implemented as a discrete physical process and operates with a fixed light target (a virtual volume with the properties of a laser beam), with which a beam of charged particles interacts producing x-rays. Such a description allows user to flexibly change necessary parameters depending on the problem being solved, which opens up new possibilities for using Geant4 in the studied area.
- ПубликацияТолько метаданныеGeant4 application for efficiency simulation of PbF2 based calorimeters(2023) Savchenko, A. A.; Tishchenko, A. A.; Савченко, Александр Алексеевич; Тищенко, Алексей Александрович
- ПубликацияТолько метаданныеTheory of Smith-Purcell radiation from a 2D array of small noninteracting particles(2021) Garaev, D. I.; Sergeeva, D. Y.; Tishchenko, A. A.; Гараев, Дамир Ильдарович; Сергеева, Дарья Юрьевна; Тищенко, Алексей Александрович© 2021 American Physical Society.We construct the first-principles theory for the scattering of the Coulomb field of a fast electron traveling along an array of nano- or microparticles. The electron's trajectory is arbitrarily oriented in the plane parallel to the surface. We show that Smith-Purcell radiation accompanying this process results in very rich diffraction patterns, which differ dramatically from the ones for conventional diffraction gratings; a numerical analysis was made for THz frequencies. The generalized Smith-Purcell dispersion relation has been derived; it describes the link between frequency, two periods of the structure, the electron's velocity, and the angle of radiation with maximal intensity. The unique spatial distribution of the generated light can form the basis for the generation of structured-light electron-driven photon sources.
- ПубликацияТолько метаданныеX-RAY THOMSON INVERSE SCATTERING FROM PERIODICALLY MODULATED LASER PULSES(2021) Sergeeva, D. Yu.; Tishchenko, A. A.; Сергеева, Дарья Юрьевна; Тищенко, Алексей Александрович© 27th Russian Particle Accelerator Conference, RuPAC 2021. All rights reserved.Being a compact source of x-rays based on the Thomson backscattering, Thomson source has potential to be used in medicine and biology and in other areas where narrow band x-ray beams are essential. We propose and investigate theoretically the idea to use laser pulses modulated with a short period in Thomson backscattering. The coherent radiation is obtained with intensity proportional to the squared number of micro-pulses in the whole laser pulse.
- ПубликацияОткрытый доступCoherent Grating Transition Radiation of a Hollow Relativistic Electron Beam from a Flat 2D Photonic Crystal(2025) Sergeeva, D. Y.; Tishchenko, A. A.; Сергеева, Дарья Юрьевна; Тищенко, Алексей Александрович
- ПубликацияОткрытый доступIdentification of particles with Lorentz factor up to 10 4 with Transition Radiation Detectors based on micro-strip silicon detectors(2019) Alozy, J.; Campbell, M.; Cherry, M.; Dachs, F.; Belyaev, N.; Doronin, S.; Fillipov, K.; Krasnopevtsev, D.; Ponomarenko, D.; Pyatiizbyantseva, D.; Radomskii, R.; Romaniouk, A.; Savchenko, A. A.; Sergeeva, D. Y.; Shulga, E.; Smirnov, S.; Smirnov, Y.; Strikhanov, M.; Teterin, P.; Tishchenko, A.; Vorobev, K.; Доронин, Семен Александрович; Пятиизбянцева, Диана Николаевна; Романюк, Анатолий Самсонович; Савченко, Александр Алексеевич; Сергеева, Дарья Юрьевна; Смирнов, Сергей Юрьевич; Смирнов, Юрий Сергеевич; Стриханов, Михаил Николаевич; Тетерин, Пётр Евгеньевич; Тищенко, Алексей Александрович; Воробьёв, Константин Александрович© 2019 This work is dedicated to the study of a technique for hadron identification in the TeV momentum range, based on the simultaneous measurement of the energies and of the emission angles of the Transition Radiation (TR) X-rays with respect to the radiating particles. A detector setup has been built and tested with particles in a wide range of Lorentz factors (from about 10 3 to about 4×10 4 crossing different types of radiators. The measured double-differential (in energy and angle) spectra of the TR photons are in a reasonably good agreement with TR simulation predictions.
- ПубликацияТолько метаданныеNear-field resonances in photon emission via interaction of electrons with coupled nanoparticles(2019) Tishchenko, A. A.; Sergeeva, D. Y.; Тищенко, Алексей Александрович; Сергеева, Дарья ЮрьевнаIn this work we construct the first-principles theory for the near-field resonances arising in the system of two different coupled nanoparticles excited by the external field. The obtained expressions are valid for an arbitrary external field; the detailed analysis is performed for the case of a fast electron passing by. The energy of electron is arbitrary, so the results are valid both for relativistic and nonrelativistic electrons. We have obtained rigorous analytical solution for the radiation field and for distribution of radiation over angles and frequencies. The effect of interaction between the single particles manifests itself very distinctly in conditions of resonance, resulting in a spectral shift of the radiation maximum, significant increase of its altitude, and, interestingly, in clear oscillations in radiation intensity not only when the particles are very close to each other, but even when the distance between the particles exceeds considerably their sizes. It attests to the strong influence of interaction on the radiation processes in a system of coupling particles.
- ПубликацияОткрытый доступCrab crossing in inverse Compton scattering(2023) Potylitsyn, A. P.; Gavrilenko, D. V.; Strikhanov, M. N.; Tishchenko, A. A.; Потылицын, Александр Петрович; Гавриленко, Дмитрий Владимирович; Стриханов, Михаил Николаевич; Тищенко, Алексей Александрович
- ПубликацияТолько метаданныеDiffraction radiation from a charge as radiation from a superluminal source in a vacuum(2020) Potylitsyn, A. P.; Sergeeva, D. Y.; Strikhanov, M. N.; Tishchenko, A. A.; Потылицын, Александр Петрович; Сергеева, Дарья Юрьевна; Стриханов, Михаил Николаевич; Тищенко, Алексей АлександровичAn analysis of spectral-angular characteristics of diffraction radiation, both incoherent and coherent, has been performed. It is shown that radiation processes can be interpreted as Cherenkov radiation, which is produced by a region of dynamic polarization moving along a target edge with super-luminal velocity v(SL). Such radiation is generated if the condition v(SL) > c is fulfilled, which is the conventional 'threshold' Cherenkov condition.
- ПубликацияОткрытый доступDevelopment of Transition Radiation Detectors for hadron identification at TeV energy scale(2019) Cherry, M. L.; Dachs, F.; Fusco, P.; Gargano, F.; Belyaev, N.; Doronin, S. A.; Filippov, K.; Ponomarenko, D.; Pyatiizbyantseva, D.; Romaniouk, A.; Savchenko, A. A.; Sergeeva, D. Y.; Shulga, E.; Smirnov, S.; Smirnov, Y.; Strikhanov, M.; Teterin, P.; Tikhomirov, V.; Tishchenko, A. A.; Vorobev, K.; Доронин, Семен Александрович; Пятиизбянцева, Диана Николаевна; Романюк, Анатолий Самсонович; Савченко, Александр Алексеевич; Сергеева, Дарья Юрьевна; Смирнов, Сергей Юрьевич; Смирнов, Юрий Сергеевич; Стриханов, Михаил Николаевич; Тетерин, Пётр Евгеньевич; Тихомиров, Владимир Олегович; Тищенко, Алексей Александрович; Воробьёв, Константин Александрович© Published under licence by IOP Publishing Ltd.Many modern and future accelerator and cosmic ray experiments require identification of particles with Lorentz γ-factor up to 104 and above. The only technique which reaches this range of Lorentz factors is based on the transition radiation detectors (TRD). This paper describes the development of a TRD based on straw proportional tubes. A prototype of such kind of detector was built and tested at the CERN SPS accelerator. Monte Carlo simulation model of the detector which matches well the experimental data was developed. This program was used for the simulation of a full-scale TRD for hadron identification at TeV energy scale.