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1.

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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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–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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3.

Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : Belyaev B. A., Serzhantov A. M., Tyurnev V. V.
Заглавие : A dual-mode split microstrip resonator and Its applications in frequency selective devices
Место публикации : Microwave Opt. Technol. Lett. - 2013. - Vol. 55, Is. 9. - P.2186–2190. - DOI 10.1002/mop.27806
Аннотация: A dual-mode microstrip resonator whose strip conductor is partially split from its one end by a longitudinal slot has been studied. The resonator has two fundamental modes, even and odd ones. The difference of their frequencies is controlled by varying the slot length. Based on such resonators, original structures of a diplexer and passband filters including dual-band have been designed. Measured performances of their fabricated prototypes prove applicability of designed devices in microwave engineering.
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4.

Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : Belyaev B. A., Serzhantov A. M., Tyurnev V. V.
Заглавие : A microstrip diplexer based on dual-mode resonators
Место публикации : Tech. Phys. Lett.: MAIK Nauka-Interperiodica / Springer, 2012. - Vol. 38, Is. 8. - P.743-746. - ISSN 1063-7850, DOI 10.1134/S1063785012080172
Примечания : Cited References: 14. - This study was supported in part by the Siberian Branch of the Russian Academy of Sciences (interdisciplinary integration project no. 109) and the federal targeted program "Scientific and Pedagogical Personnel of Innovative Russia (2009-2013)."
Предметные рубрики: DESIGN
Аннотация: A miniature third-order microstrip diplexer comprising a traditional T-shaped dual-mode resonator at the input and one dual-mode resonator of original design, with regular strip conductors split from one end, at the output of each channel. The passband formation in each channel of the diplexer involves two resonances of the lowest modes of one split microstrip resonator and the resonance of one of the two modes of the T-shaped microstrip resonator. The proposed device is simple to manufacture and allows the central frequencies and bandwidths in each channel to be varied within broad limits. The good prospects of the proposed microstrip diplexer are confirmed by the high characteristics of its working prototype.
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5.

Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : Belyaev B. A., Tyurnev V. V., Voloshin A. S., Galeev R. G.
Заглавие : A microwave bandpass filter on dielectric layers with metal grids
Коллективы : Ministry of Education and Science of the Russian Federation [14.575.21.0142, RFMEFI57517X0142]
Место публикации : Tech. Phys. Lett. - 2018. - Vol. 44, Is. 5. - P.408-411. - ISSN 1063-7850, DOI 10.1134/S1063785018050152. - ISSN 1090-6533(eISSN)
Примечания : Cited References: 13. - This study was supported in part by the Ministry of Education and Science of the Russian Federation, project no. 14.575.21.0142 (unique project identifier code RFMEFI57517X0142).
Аннотация: A bandpass filter of new design comprising dielectric layers with surface metal grids is developed and studied. Dielectric layers act as half-wave resonators, while metal grids act as mirrors with preset reflectivity and ensure optimum coupling between adjacent resonators and between the boundary resonators and free space. A test prototype of the third-order filter with a central bandpass frequency of ~12 GHz and relative bandwidth ~17% showed good agreement of theory and experiment. The proposed design can be used in making panels radio-transparent within a preset bandwidth for covering microwave antennas.
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6.

Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : Belyaev B. A., Serzhantov A. M., Tyurnev V. V.
Заглавие : A miniature dual-band filter based on microstrip dual-mode resonators
Место публикации : Tech. Phys. Lett.: MAIK Nauka-Interperiodica / Springer, 2012. - Vol. 38, Is. 9. - P.839-842. - ISSN 1063-7850, DOI 10.1134/S1063785012090180
Примечания : Cited References: 16. - This study was supported in part by the Siberian Branch of the Russian Academy of Sciences (interdisciplinary integration project no. 109) and the federal targeted program "Scientific and Pedagogical Personnel of Innovative Russia (2009-2013)."
Предметные рубрики: PASSBAND RESPONSE
DESIGN
Аннотация: A microstrip dual-band bandpass filter (DBF) with an original miniature design is described. The filter consists of thee microstrip dual-mode resonators, which are rendered dual-mode by splitting their regular strip conductors from one end by longitudinal slots. The formation of one passband of the DBF involves the resonances of even modes of each microstrip double-mode resonator, while the other passband is formed by the resonances of odd modes. The proposed device is simple to manufacture and allows the central frequencies and widths of each passband to be tuned within broad limits. A method of DBF tuning has been developed. Good prospects of the proposed microstrip DBF are confirmed by the high characteristics of its working prototype.
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7.

Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : Belyaev B. A., Tyurnev V. V., Shabanov V. F.
Заглавие : An optical bandpass filter based on a three-component multilayer structure
Место публикации : Dokl. Phys.: MAIK Nauka-Interperiodica / Springer, 2014. - Vol. 59, Is. 6. - P.245-248. - ISSN 1028-3358, DOI 10.1134/S1028335814060019. - ISSN 1562-6903
Примечания : Cited References: 10. - This work was supported by the Siberian Branch, Russian Academy of Sciences, Integration project no. 109.
Предметные рубрики: PHOTONIC CRYSTAL
Аннотация: Optical bandpass filters usually represent multi-layer dielectric structures in which the layers with high and low refractive indices alternate. In the case when the mirror layers have a thickness multiple to the quarter wavelength, their reflectance is the largest. In this case, they do not disturb the resonant frequencies of resonators, while the stopbands have an identical depth on both sides of the passband. The optical filters, the multilayer mirrors in which contain only the quarter wavelength layers and are fabricated from two materials, have a substantial disadvantage consisting of the high optical passband ripple. It is related to the impossibility of a smooth fine tuning of the reflectance of such mirrors both between resonators and on the input and output of the filter. The prototype filter contains resonators in the form of half wave-length dielectric layers with a low refractive index, each of which is separated from the next resonator or from free space on the input and output of the device by a multilayer dielectric mirror consisting of quarter wavelength layers.
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8.

Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : Belyaev B. A., Tyurnev V. V.
Заглавие : Analysis of the quality factor of the optical half-wavelength resonator
Место публикации : Microwave Opt. Techn. Lett. - 2013. - Vol. 55, Is. 7. - P.1613-1616. - DOI 10.1002/mop.27662
Аннотация: An electrodynamic analysis of an optical resonator comprising a half-wavelength dielectric layer that is covered from both sides by quarter-wavelength layers with higher and lower refractive indices (RIs) is carried out.For such a resonator, the dependences of the external quality factor on number and RIs of the layers are obtained first. That allows one to determine minimum number of the layers in the structure to achieve the required quality factor at practically any contrast of the RIs. The results of this study provide an easy way to optimize the structures of 1D photonic crystal devices, particularly high-selectivity bandpass filters.
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9.

Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : Belyaev B. A., Leksikov Al. A., Serzhantov A. M., Tyurnev V. V., Bal'va Y. F., Leksikov An. A.
Заглавие : Bandpass filter with an ultra wide stopband designed on miniaturized coaxial resonators
Место публикации : J. Commun. Technol. Electron.: Pleiades Publishing, 2013. - Vol. 58, No. 2. - P.110-117. - DOI 10.1134/S1064226913020022
Аннотация: Characteristics of a new miniaturized coaxial resonator are theoretically investigated. It is shown that the first resonant frequency of the resonator can be significantly lowered relative to the second one and the resonator dimensions can be considerably decreased as compared to those of a traditional dielectric filled quarter wavelength coaxial resonator. Based on the investigated resonator, a fourth order bandpass filter has been designed and fabricated. The filter stopband at a level of no worse than –90 dB extends to the frequency that exceeds the passband center frequency by a factor of 47. Calculated frequency responses are in good agreement with those measured on the fabricated filter prototypes.
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10.

Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : Tyurnev V. V.
Заглавие : Coupling coefficients of resonators in microwave filter theory
Место публикации : Progress In Electromagnetics Research B. - 2010. - № 21. - P.47-67. - ISSN 1937-6472
РИНЦ
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11.

Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : Belyaev B. A., Tyurnev V. V.
Заглавие : Design of bandpass filters composed of dielectric layers separated by gratings of strip conductors
Коллективы : Ministry of Education and Science of the Russian Federation [14.607.21.0039]
Место публикации : Opt. Lett.: Optical Society of America, 2016. - Vol. 41, Is. 3. - P.536-539. - ISSN 0146-9592, DOI 10.1364/OL.41.000536. - ISSN 1539-4794(eISSN)
Примечания : Cited References:14. - Ministry of Education and Science of the Russian Federation (14.607.21.0039).
Предметные рубрики: Coupling-coefficients
Multilayer structure
Resonators
Formulas
Аннотация: We derive the design formulas for novel multilayer bandpass filters in which every dielectric layer (resonator) is separated from the adjacent layer or external medium by a grating of strip conductors. Every grating acts as a semireflecting mirror. Such novel filters have wide stop bands compared to conventional filters with multilayer dielectric mirrors between resonators at the same passband width. The parameters of the lowpass, lumped-element prototype filter, as well as the theory of resonator-coupling coefficients, are considered in our approach. The computed frequency response of the fifth-order Chebyshev filter that was synthesized using the proposed formulas is also presented.
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12.

Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : Belyaev B. A., Tyurnev V. V., Shabanov V. F.
Заглавие : Design of optical bandpass filters based on a two-material multilayer structure
Коллективы : Siberian Branch of the Russian Academy of Sciences [109]
Место публикации : Opt. Lett.: Optical Society of America, 2014. - Vol. 39, Is. 12. - P.3512-3515. - ISSN 0146-9592, DOI 10.1364/OL.39.003512. - ISSN 1539-4794
Примечания : Cited References: 16. - The authors acknowledge support in part by the Siberian Branch of the Russian Academy of Sciences under Integration Project No. 109.
Аннотация: An easy method for designing filters with equalized passband ripples of a given magnitude is proposed. The filter, which is made of two dielectric materials, comprises coupled half-wavelength resonators and multilayer mirrors. The filter design begins with the synthesis of the multimaterial filter prototype whose mirrors consist of quarter-wavelength layers. Optimal refractive indices of the layers in the prototype are obtained by a special optimization based on universal rules. The thicknesses of the mirrors' layers in the final filter are computed using derived formulas. A design procedure example for silicon-air bandpass filters with a fractional bandwidth of 1% is described. (C) 2014 Optical Society of America
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13.

Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : Belyaev B. A., Tyurnev V. V.
Заглавие : Diffraction of electromagnetic waves on a one-dimensional strip conductor grating located at the interface between dielectric media
Коллективы : Ministry of Education and Science of the Russian Federation [14.607.21.0039]
Место публикации : Russ. Phys. J.: Springer, 2015. - Vol. 58, Is. 5. - P.646-657. - ISSN 1064-8887, DOI 10.1007/s11182-015-0546-1. - ISSN 15739228(eISSN)
Примечания : Cited References:17. - This work was supported in part by the Ministry of Education and Science of the Russian Federation (Agreement No. 14.607.21.0039).
Предметные рубрики: TRANSMISSION COEFFICIENTS
MULTILAYER STRUCTURE
BANDPASS-FILTERS
REFLECTION
Ключевые слова (''Своб.индексиров.''): electromagnetic waves--dielectric layers--strip conductors--diffraction
Аннотация: Analytical formulas are derived for the transmission and reflection coefficients of electromagnetic E- and H-waves incident at an arbitrary angle on a one-dimensional strip conductor grating located at the interface between two dielectric media. The feasibility of adjusting the grating reflectivity within wide limits by varying its design parameters is demonstrated, which allows these structures to be used in multilayered dielectric bandpass filters.
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14.

Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : Tyurnev V. V., Serzhantov A. M.
Заглавие : Dual-mode split microstrip resonator for compact narrowband bandpass filters
Место публикации : Prog. Electromagn. Res. C. - 2011. - Vol. 23. - С. 151-160. - ISSN 19378718 (ISSN), DOI 10.2528/PIERC11062104
Ключевые слова (''Своб.индексиров.''): 1-d models--average frequency--dual modes--dual-mode filter--microstrip resonator--narrow bands--oscillation mode--pass bands--structure parameter--transmission zeros--bandpass filters--frequency response--natural frequencies--resonators--microstrip filters
Аннотация: A straight split dual-mode microstrip resonator is proposed. The frequencies of the two first oscillation modes in the resonator may be brought closer together by adjusting a split parameter whereas the frequency of the third mode remains approximately equal to the doubled average frequency of the first and the second modes. It is shown that formulas derived within 1D model give qualitatively true relations between the resonant frequencies and the structure parameters of the resonator. Examples of narrowband bandpass filters of the fourth and the sixth order are described. Transmission zeros below and above the passband substantially improve the filter's performance. The simulated frequency response of the three-resonator dual-mode filter is compared with the measured response of the fabricated filter.
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15.

Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : Belyaev B. A., Tyurnev V. V.
Заглавие : Electrodynamic calculation of effective electromagnetic parameters of a dielectric medium with metallic nanoparticles of a given size
Место публикации : J. Exp. Theor. Phys. - 2018. - Vol. 127, Is. 4. - P.608-619. - ISSN 10637761 (ISSN), DOI 10.1134/S1063776118100114
Примечания : Cited References: 31. - This work was supported by the Ministry of Education and Science of the Russian Federation (contract no. 14.575.21.0142; unique identifier of the project is RFMEFI57517X0142).
Ключевые слова (''Своб.индексиров.''): electromagnetic fields--magnetic susceptibility--metals--nanoparticles--natural frequencies--permittivity
Аннотация: The frequency dependence of the effective complex permittivity and effective complex permeability of a heterostructure based on a dielectric medium containing metallic nanoparticles of spherical shape is calculated by an original method. In contrast to the Bruggeman [21] and the Maxwell Garnett [17] approaches, which use the quasi-static approximation in calculations, a nonuniform distribution of electromagnetic fields inside metallic particles is calculated, which allows the analysis of the electromagnetic parameters of the heterostructure not only as a function of frequency but also as a function of the nanoparticle size. It is shown that the plasmon resonant frequency decreases with increasing both the size and the concentration of particles in the heterostructure. It is also shown that a dielectric medium containing nonmagnetic metallic nanoparticles exhibits diamagnetic properties. In this case, the position of the maximum on the frequency dependence of the imaginary part of the magnetic susceptibility coincides with the relaxation frequency of charge carriers. The calculated spectra of the real and imaginary components of the permittivity of the heterostructure with a size of metallic particles less than 10 nm are in good agreement with Bruggeman calculations; however, the agreement with Maxwell Garnett calculations is observed only at nanoparticle concentrations lower than 10–6.
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16.

Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : Belyaev B. A., Leksikov A. A., Tyurnev V. V., Serzhantov A. M.
Заглавие : Highly selective suspended stripline dual-mode filter
Место публикации : Prog. Electromagn. Res. Lett. - 2011. - Vol. 25. - С. 57-66. - ISSN 19376480 (ISSN)
Ключевые слова (''Своб.индексиров.''): band pass--dual modes--dual-mode filter--filter construction--filter performance--fourth-order--low insertion loss--narrow band filter--oscillation mode--pass bands--second orders--special structure--suspended stripline--transmission zeros--wide upper stopband--frequency response--resonators--strip telecommunication lines--bandpass filters
Аннотация: Miniature bandpass filter constructions based on a novel dual-mode suspended stripline resonator are proposed. Because of a special structure of the resonator, the frequencies of two first oscillation modes may be brought closer together. That allows realizing narrowband filters with the wide upper stopband. The filters have low insertion loss in the passband at small dimensions. Several transmission zeros substantially improve the filter performance. The derived coupling coeffcients account for some features in the frequency response of the filter. The second-order and fourth-order filters with transmission zeros have been fabricated and measured.
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17.

Вид документа : Однотомное издание
Шифр издания :
Заглавие : II Семинар по функциональной магнитоэлектронике : тезисы докл.
Выходные данные : Красноярск: ИФ СО АН СССР, 1986
Колич.характеристики :322 с
Коллективы : Семинар по функциональной магниотоэлектронике(2;1986 ; июнь ; 25-27;Красноярск), Академия наук СССР, Сибирское отделение АН СССР, Институт физики им. Л.В. Киренского Сибирского отделения АН СССР, Красноярский государственный университет, Красноярский краевой совет научно-технических обществ, Краевое правление НТО РЭС им. А.С. Попова
Примечания : Авт. указ.: с. 227-232 :
Содержание : / В. Н. Васильев. / Г. Н. Абеляшев [и др.]. / В. В. Кашкин, А. Н. Борисов. / А. И. Польский, Б. И. Быков, М. -Т. А. Сихвер. / Б. А. Беляев [и др.]. / Б. А. Беляев [и др.]. / А. К. Савин, В. М. Владимиров, К. С. Александров. / С. В. Беляков [и др.]. / Г. А. Петраковский, Е. А. Глозман, А. И. Кондрашев. / Е. В. Бабкин [и др.]. / В. Н. Бержанский [и др.]. / В. М. Владимиров, В. Г. Зайцев. / Э. М. Смокотин, О. П. Квашнина. / Г. И. Фролов, И. С. Кернасюк, А. Г. Лундин. / В. С. Жигалов, К. П. Коваль, Г. И. Фролов. / А. А. Лепешев, Г. Е. Нагибин, Ю. Д. Тропин. / А. А. Лепешев, Г. Е. Нагибин, Ю. Д. Тропин. / Г. А. Петраковский [и др.]. / Э. М. Смокотин [и др.]. / Е. В. Бабкин, Г. А. Петраковский, А. А. Чарыев. / В. М. Соснин [и др.]. / А. И. Панкрац, Г. А. Петраковский, А. Ф. Смык. / Г. И. Фролов [и др.]. / М. А. Парфенёнок, И. К. Пухов. / А. П. Круликовский, И. К. Пухов. / В. Н. Васильев, А. А. Смык. / А. В. Дубинин, В. М. Соснин. / И. А. Семиглазов, В. М. Соснин. / Б. А. Беляев, В. В. Тюрнев, К. С. Александров. / В. А. Середкин, Г. И. Фролов, Виктор Юрьевич Яковчук.
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18.

Вид документа : Однотомное издание
Шифр издания :
Заглавие : III Семинар по функциональной магнитоэлектронике : тезисы докл.
Выходные данные : Красноярск: ИФ СО АН СССР, 1988
Колич.характеристики :320 с
Коллективы : Семинар по функциональной магниотоэлектронике(3;1988 ; июнь ; 28-30;Красноярск), Академия наук СССР, Сибирское отделение АН СССР, Институт физики им. Л.В. Киренского Сибирского отделения АН СССР, Красноярский государственный университет, Красноярский краевой совет научно-технических обществ, Красноярский дом техники НТО
Примечания : Авт. указ.: с. 314-320 :
Содержание : / Г. С. Патрин, Н. В. Волков. / В. Н. Васильев, А. И. Панкрац. / А. А. Васильев, А. И. Панкрац. / Б. А. Беляев, В. В. Тюрнев. / Г. А. Петраковский, Г. С. Патрин. / А. Ф. Садреев. / И. К. Пухов. / С. С. Аплеснин. / С. С. Аплеснин. / Н. Б. Иванова, В. К. Чернов, А. Е. Бузмаков. / Г. М. Родичев [и др.]. / В. В. Поляков [и др.]. / А. К. Савин, В. П. Иванов, В. М. Владимиров. / П. Д. Ким, И. А. Турпанов, К. П. Коваль. / Б. А. Беляев, П. Д. Ким, С. Н. Кулинич. / Б. А. Беляев, В. В. Величко, Я. Л. Лисовский. / В. В. Вальков, С. Г. Овчинников, Г. А. Петраковский. / В. Н. Васильев, А. И. Панкрац, Г. А. Петраковский. / И. К. Пухов, М. А. Парфененок, А. И. Подолян. / Г. А. Петраковский [и др.]. / Г. А. Петраковский [и др.]. / Б. А. Беляев, А. К. Елисеев, В. В. Тюрнев. / Ю. М. Федоров [и др.]. / К. Н. Алексеев, Г. П. Берман, В. И. Цифринович. / В. А. Середкин, Г. И. Фролов, Виктор Юрьевич Яковчук. / В. А. Середкин, Г. И. Фролов, Виктор Юрьевич Яковчук.
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19.

Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : Belyaev B. A., Serzhantov A. M., Bal'va Y. F., Tyurnev V. V., Leksikov Al. A., Galeev R. G.
Заглавие : Implementation of cross couplings in microwave bandpass filters
Коллективы : Siberian Branch of the Russian Academy of Sciences [109]
Место публикации : Microw. Opt. Technol. Lett.: Wiley-Blackwell, 2014. - Vol. 56, Is. 9. - P.2021-2025. - ISSN 0895-2477, DOI 10.1002/mop.28507. - ISSN 1098-2760
Примечания : Cited References: 15. - This work was supported by the Siberian Branch of the Russian Academy of Sciences, Integration Project No. 109.
Предметные рубрики: ULTRA-WIDE STOPBAND
100 DB
RESONATORS
Ключевые слова (''Своб.индексиров.''): microwave filters--elliptic-function bandpass filters--transmission zeros--cross couplings
Аннотация: New quasi-lumped resonator bandpass filters with cross couplings are presented. Coaxial and suspended stripline structures are considered. These filters are notable for their extremely wide and deep upper stopbands at small dimensions. They also have transmission zeros near the passband that significantly improve frequency selectivity. Photographs and measured frequency responses for the four fabricated filters are presented. (C) 2014 Wiley Periodicals, Inc.
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20.

Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : Belyaev B. A., Tyurnev V. V., Shabanov V. F.
Заглавие : Investigation of the Q-factor of optical resonators in photonic crystals and principles of designing highly selective filters on their basis
Место публикации : Rus. Phys. J.: Springer, 2014. - Vol. 56, Is. 12. - P.1378-1386. - ISSN 1064-8887, DOI 10.1007/s11182-014-0189-7
Примечания : Cited References: 16. - This work was supported in part by the Ministry of Education and Science of the Russian Federation (State Contract No. 14.513.11.0010) and Federal Target Program “Scientific and Pedagogical Personnel of Innovative Russia for 2009–2013.”
Предметные рубрики: MICROSTRIP MODELS
Ключевые слова (''Своб.индексиров.''): photonic crystal--q-factor of the resonator--passband filter
Аннотация: Designs of optical resonators comprising a half-wavelength dielectric layer bounded from both ends by quarter-wavelength layers with permittivity higher or lower than that of the half-wavelength layer are investigated. Electrodynamic analysis demonstrates a significant increase in the Q-factor of the multilayered resonator in comparison with the conventional single-layer half-wavelength resonator. Principles of designing highly selective passband filters based on photonic crystal structures are considered.
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