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1.

Вид документа : Статья из сборника (однотомник)
Шифр издания :
Автор(ы) : Zyryanov V. Ya., Smorgon S. L., Shabanov V. F., Pozhidaev E. P., Andreev A. L., Kompanets I. N., Maltese P., Haase W.
Заглавие :
Коллективы : "Advanced Display Technologies : basic studies of problems in information display", International Symposium
Место публикации : 9th International Symposium "Advanced Display Technologies : basic studies of problems in information display" (FLOWERS 2000): abstracts. - 2000. - С. 44-45; \b Proceedings of SPIE - The International Society for Optical Engineering. - 2001. - Vol. 4511
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2.

Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : Belyaev B. A., Tyurnev V. V., Voloshin A. S., Leksikov An. A., Galeev R. G., Shabanov V. F.
Заглавие : A Bandpass Filter Based on Dielectric Layers with a Strip Conductor Subwavelength Grating at Their Interfaces
Место публикации : Dokl. Phys. - 2020. - Vol. 65, Is. 9. - P.343-348. - ISSN 10283358 (ISSN), DOI 10.1134/S1028335820090013
Примечания : Cited References: 12. - This study was supported by the Ministry of Science and Higher Education of the Russian Federation, state assignment no. FEFE-2020-0013 “Development of the Theory of Self-Configurable Machine-Learning Algorithms for Simulating and Predicting Characteristics of Complex Systems”
Аннотация: The design of a multilayer bandpass filter has been investigated, in which each of the half-wavelength resonators consists of two dielectric layers with outer strip conductor gratings in the form of square grids and inner ones in the form of square patches. The grids serve as mirrors with specified reflective properties, which ensure optimal couplings of the outer resonators with free space and optimal coupling between the resonators. The patch gratings make it possible to tune the resonator eigenfrequency during the filter synthesis. The efficiency of the quasi-static calculation of the frequency response for the layered structure is shown for the case of a lattice period smaller than the wavelength in the dielectric and much smaller than the layer thickness. Since the calculation does not require much computing power, the parametric synthesis of the device can be performed on a conventional personal computer. The measured characteristics of the prototype of the synthesized third-order filter with a fractional passband width of ∼10% and a central passband frequency of ∼10.6 GHz are in good agreement with the calculation. The proposed design allows one to fabricate multilayer panels radio transparent in a certain frequency band for hiding microwave antennas.
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3.

Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : Belyaev B. A., Tyurnev V. V., Voloshin A. S., Leksikov An. A., Galeev R. G., Shabanov V. F.
Заглавие : A Bandpass Filter–Polarizer Based on a Dielectric Multilayer with Strip Conductor Gratings
Место публикации : Dokl. Phys. - 2020. - Vol. 65, Is. 7. - P.225-229. - ISSN 10283358 (ISSN), DOI 10.1134/S1028335820050067
Примечания : Cited References: 10. - This study was financially supported by the Ministry of Science and Higher Education of the Russian Federation in the implementation of the integrated project “Creation of a production of earth stations of advanced satellite communications systems to ensure the coherence of hard-to-reach, northern and Arctic territories of Russian Federation,” implemented with the participation of the Federal Research Center “Krasnoyarsk Science Center of the Siberian Branch of the Russian Academy of Sciences” (agreement number 075 -11-2019-078 dated 13.12.2019)
Аннотация: A new design of a multilayer bandpass filter is proposed, in which each resonator consists of two identical dielectric layers with parallel strip conductor gratings on their outer surfaces and an orthogonal strip conductor grating between the layers. The filter designed on the basis of crossed gratings works simultaneously as a polarizer transparent in a specified frequency band if the electric field vector of a wave is parallel to the outer strip conductors but reflects waves with an orthogonal polarization. The data from a numerical electrodynamic analysis of a 3D model of the proposed device agree well with the results of the measurements performed on the fifth-order filter–polarizer prototype with a relative bandwidth of 14% and a central frequency of 13.4 GHz. The microwave power loss in the filter passband is ~1.2 dB under parallel polarization of the electromagnetic wave and more than 40 dB under orthogonal polarization.
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4.

Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : Braverman V. Ya., Skurikhin D. A., Bayakin S. G., Shabanov V. F., Bashenko V. V.
Заглавие : A device for controlling focusing and penetration depth on the basis of inherent X-radiation in electron beam welding with modulation of the focusing level
Место публикации : Welding International. - 1997. - Vol. 11, n. 7. - P.560-563
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5.

Вид документа : Статья из сборника (однотомник)
Шифр издания :
Автор(ы) : Zyryanov V. Ya., Smorgon S. L., Presnyakov V. V., Shabanov V. F.
Заглавие : A device to control polarization and intensity of laser radiation
Коллективы : Russian-Chinese symposium on laser physics and laser technology
Место публикации : Proceedings of the Third Russian-Chinese symposium on laser physics and laser technology. - 1996. - P.98-99

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6.

Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : Belyaev B. A., Khodenkov S. A., Galeev R. G., Shabanov V. F.
Заглавие : A Lowpass Filter Based on a 2D Microstrip Electromagnetic Crystal
Коллективы : Ministry of Education and Science of the Russian Federation [RFMEFI60417X0179]
Место публикации : Dokl. Phys. - 2019. - Vol. 64, Is. 3. - P.85-89. - ISSN 1028-3358, DOI 10.1134/S1028335819030017. - ISSN 1562-6903(eISSN)
Примечания : Cited References: 14. - This study was supported by the Ministry of Education and Science of the Russian Federation, project no. RFMEFI60417X0179.
Аннотация: A new construction of a lowpass filter was developed based on a two-dimensional microstrip electromagnetic crystal, which had a steeper slope of the frequency response as compared to a filter consisting of a one-dimensional microstrip electromagnetic crystal. The investigated lowpass filter construction is characterized by a high workability and ease of manufacturing. Electrodynamic numerical simulation of the 3D model of the considered microstrip structure agrees well with the experiment, which allows conducting parametric synthesis of devices with the required properties using a personal computer.
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7.

Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : Belyaev B. A., Drokin N. A., Shabanov V. F., Shepov V. N.
Заглавие : A study of the microwave dielectric permittivity of liquid crystals in electric and magnetic fields
Место публикации : Tech. Phys. - 1998. - Vol. 43, Is. 1. - P.105-109. - ISSN 1063-7842, DOI 10.1134/1.1258946
Примечания : Cited References: 8
Аннотация: A microwave detector based on a self-sustained oscillator circuit is proposed as a means to investigate the real and imaginary components of the dielectric permittivity of liquid crystals in external electric and magnetic fields. Results are given for measurements of a 500 MHz oscillator frequency for two types of nematic crystals, 5CBP and MBBA. Fundamental regularities are identified in the behavior of the microwave dielectric permittivity of samples in electric and magnetic fields. It is shown that the minimum of the high-frequency dielectric loss in liquid crystals correspond to a situation in which the long axes of the molecules are oriented parallel to the direction of the microwave electric field. (C) 1998 American Institute of Physics. [S1063-7842(98)02201-6].
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8.

Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : Belyaev B. A., Khodenkov S. A., Leksikov An. A., Shabanov V. F.
Заглавие : A three-mode microstrip resonator and a miniature ultra-wideband filter based on it
Место публикации : Dokl. Phys.: Maik Nauka-Interperiodica Publishing, 2017. - Vol. 62, Is. 6. - P.289-293. - ISSN 10283358 (ISSN), DOI 10.1134/S102833581706009X
Примечания : Cited References: 14
Ключевые слова (''Своб.индексиров.''): bandpass filters--microwave filters--resonators--filter structures--high selectivity--microstrip resonator--oscillation mode--parametric synthesis--passband frequencies--ultra-wideband filters--wide band filter--microstrip filters
Аннотация: An original microstrip resonator design with a strip conductor split by a slot at one of its ends is investigated. It is demonstrated that at the optimal slot sizes, when the eigenfrequency of the second oscillation mode hits the center between the first and third oscillation modes, the resonator can work as a thirdorder bandpass filter. The structure formed from only two such resonators electromagnetically coupled by split conductor sections is a miniature six-order wideband filter with high selectivity. The test prototype of the filter with a central passband frequency of ~1.2 GHz and a passband width of ~0.75 GHz fabricated on a substrate ~(45 × 11 × 1) mm3 in size with a permittivity of 80 is characterized by minimum loss in a passband of 0.5 dB. The parametric synthesis of the filter structure was performed using electrodynamic analysis of the 3D model. The measured characteristics of the test prototype agree well with the calculated data.
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9.

Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : Begunovich L. V., Kovaleva E. A., Korshunov M. M., Shabanov V. F.
Заглавие : Absorption spectra of the purple nonsulfur bacteria light-harvesting complex: A DFT study of the B800 part
Колич.характеристики :7 с
Место публикации : J. Photochem. Photobiol. A: Chem. - 2024. - Vol. 450. - Ст.115454. - ISSN 10106030 (ISSN), DOI 10.1016/j.jphotochem.2023.115454. - ISSN 18732666 (eISSN)
Примечания : Cited References: 42. - This work was supported by the state assignment of the Ministry of Science and Higher Education of the Russian Federation. Authors would like to thank Information Technology Centre, Novosibirsk State University for providing access to their supercomputers. L.V.B. would like to thank Irkutsk Supercomputer Center of SB RAS for providing the access to HPC-cluster «Akademik V.M. Matrosov» (Irkutsk Supercomputer Center of SB RAS, Irkutsk: ISDCT SB RAS; http://hpc.icc.ru, accessed 20.10.2023)
Аннотация: We’ve studied the B800 part of Rhodoblastus acidophilus light-harvesting complex (LH2) by several quantum chemical techniques based on the density functional theory (DFT) and determined the specific method and a minimal reliable model suitable for further studies of the LH2. In addition to bacteriochlorophyll a molecules, the minimal model includes two α and one β chain amino acids. Within the model, we are able to reproduce the contribution of the B800 ring of nine bacteriochlorophyll a molecules to the near infrared Qy absorption band. We also discuss the use of hybrid DFT calculations for precise energy and optical estimations and DFT-based tight binding (DFTB) method for the large-scale calculations. Crucial importance of Hartree-Fock exchange interaction for the correct description of B800 peak position was shown.
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10.

Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : Aleksandrova I. P., Yuzvak V. I., Shabanov V. F.
Заглавие : Mechanisms of ferroelectric phase transition in crystals with reorientating structural groups
Коллективы : Congres Europeen de Ferroelectricite
Место публикации : J. Phys. Colloques: Supplement au Journal de Physique. - 1972. - Vol. 33, No. C2. - P.63-65. - ISSN 0449-1947, DOI https://doi.org/10.1051/jphyscol:1972217
Аннотация: Ferroelectric transition in NaNH4SeO4.2 H2O crystals was investigated by various spectroscopical methods. Characteristic features of polarization mechanism in crystals with reorientating polar groups are discussed.
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