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A high-selectivity waveguide bandpass filter with interference suppression by more than 120 dB in rejection band / B. A. Belyaev, A. M. Serzhantov, An. A. Leksikov [et al.] // Tech. Phys. Lett. - 2023. - Vol. 49, Is. 5. - P. 72-76, DOI 10.21883/TPL.2023.05.56034.19541. - Cited References: 10. - This study was carried out under agreement No. 470 dated August 30, 2022, between the Kirensky Institute of Physics (Siberian Branch, Russian Academy of Sciences), the Regional Science Foundation, and ”AO ”NPP ”Radiosvyaz“ as part of a competitive tender of research-andengineering and innovative projects for the first climatological research and education center ”Yenisey Siberia“ . - ISSN 1063-7850. - ISSN 1090-6533
Кл.слова (ненормированные):
bandpass filter -- waveguide -- resonator -- cross-coupling
Аннотация: The design of a 10th-order waveguide bandpass filter with an additional inductive cross-coupling between non-adjacent resonators has been proposed and studied. An inductive coupling is formed by a U-shaped conductor structure with grounded ends that is formed in the filter cover. This method of cross-coupling organization ensures not only the temperature stability of the characteristics, but also the manufacturability of the structure. The high selectivity of the device is achieved by both the attenuation poles located near the passband, as well as the level of suppression in the stopbands, exceeding 120 dB. The passband loss of the fabricated filter is ~ 0.8 dB at its central frequency f0=18.2 GHz and relative bandwidth Δf/f0=1.5%. The small dimensions (135 x 30 x 10 mm) and the weight of about 200 g of the device, with simultaneously high electrical characteristics show the promise of its use, for example, in on-board and ground-based space communication systems.

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Публикация на русском языке Высокоселективный волноводный полосно-пропускающий фильтр с уровнем подавления помех более 120 dB [Текст] / Б. А. Беляев, А. М. Сержантов, Ан. А. Лексиков [и др.]. - 6 с. // Письма в ЖТФ. - 2023. - Т. 49 Вып. 10. - С. 33-38

Держатели документа:
Reshetnev Siberian State Aerospace University, Krasnoyarsk, Russia
Siberian Federal University, Krasnoyarsk, Russia
Kirensky Institute of Physics, Federal Research Center KSC SB, Russian Academy of Sciences, Krasnoyarsk, Russia

Доп.точки доступа:
Belyaev, B. A.; Беляев, Борис Афанасьевич; Serzhantov, A. M.; Сержантов, Алексей Михайлович; Leksikov, An. A.; Лексиков, Андрей Александрович; Bal'va, Ya. F.; Бальва, Ярослав Федорович; Aleksandrovsky, A. S.; Александровский, Александр Сергеевич; Galeev, R. G
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A Surface Wave Excitation by a Finite Phased Plane Waveguide Array with an Impedance Flange / Komarov S.A., Scherbinin V.V. // 12th International Conference on Mathematical Methods in Electromagnetic Theory, 2008, Odesa, Ukraine, 2008. pp. 314-316

Доп.точки доступа:
Komarov, S. A.; Scherbinin, V. V.; Щербинин, Всеволод Владиславович
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Bulgakov, E. N.
All-optical diode based on dipole modes of Kerr microcavity in asymmetric L-shaped photonic crystal waveguide / E. N. Bulgakov, A. F. Sadreev // Opt. Lett. - 2014. - Vol. 39, Is. 7. - P. 1787-1790, DOI 10.1364/OL.39.001787. - Cited References: 14. - This work was partially supported by RFBR grant 13-02-00497 . - ISSN 0146-9592. - ISSN 1539-4794

РУБ Optics
Рубрики:
TRANSMISSION
Аннотация: A design of all-optical diode in L-shaped photonic crystal waveguide is proposed that uses the multistability of single nonlinear Kerr microcavity with two dipole modes. Asymmetry of the waveguide is achieved through different couplings of the dipole modes with the left and right legs of the waveguide. Using coupled mode theory we demonstrate an extremely high transmission contrast. The direction of optical diode transmission can be controlled by power or frequency of injected light. The theory agrees with the numerical solution of the Maxwell equations. (C) 2014 Optical Society of America

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Доп.точки доступа:
Sadreev, A. F.; Садреев, Алмаз Фаттахович; Булгаков, Евгений Николаевич; RFBR [13-02-00497]
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Belyaev, B. A.
An X-band magnetically tunable bandpass filter based on novel waveguide cavity resonator / B. A. Belayev, K. V. Lemberg, A. M. Serzhantov // Asia-Pacific Microwave Conference Proceedings, APMC 2016 : Institute of Electrical and Electronics Engineers Inc., 2017, DOI 10.1109/APMC.2016.7931355. - Cited References: 12
Кл.слова (ненормированные):
Bandpass filters -- Cavity resonators -- Waveguides -- Operating modes -- Relative bandwidth -- Tunable band-pass filters -- Tunable frequency -- Tunable wave-guides -- Two-pole filters -- Unloaded quality factors -- Waveguide cavity resonators -- Waveguide filters
Аннотация: This paper presents a ferrite tunable waveguide filter showing high Qu and high tunability in X-band. A new type of waveguide cavity resonator with an H102 operating mode was proposed for the creation of a low-loss, two-pole filter. The filter results in an insertion loss of 3.6-4.1 dB over the tuning range 8.74-9.63 GHz with a relative bandwidth of 0.92-0.79% and biasing magnetic field 0-600 Oe. This design demonstrates an unloaded quality factor of 380-396 over the tunable frequency range. © 2016 IEEE.

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Доп.точки доступа:
Lemberg, K. V.; Serzhantov, A. M.; Сержантов, Алексей Михайлович; Беляев, Борис Афанасьевич; Asia-Pacific Microwave Conference(2016 ; Dec. ; New Delhi)
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Bulgakov, E. N.
Bound states in the continuum in dielectric resonators embedded into metallic waveguide / E. N. Bulgakov, A. S. Pilipchuk, A. F. Sadreev // All-dielectric nanophotonics / ed.: A. S. Shalin [et al.] : Elsevier, 2023. - Chapt. 7. - P. 185-212. - (Nanophotonics series). - Cited References: 97. - РНФ № 22-12-00070

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Держатели документа:
Kirensky Institute of Physics, Federal Research Center KSC, SB RAS

Доп.точки доступа:
Shalin, A. S. \ed.\; Valero, Adrià Canós \ed.\; Miroshnichenko, A. \ed.\; Pilipchuk, A. S.; Пилипчук, Артем Сергеевич; Sadreev, A. F.; Садреев, Алмаз Фаттахович; Булгаков, Евгений Николаевич
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Lyapina, A. A.
Bound states with orbital angular momentum in the continuum of cylindrical non-axisymmetric waveguide / A. A. Lyapina, A. S. Pilipchuk, A. F. Sadreev // Ann. Phys. - 2018. - Vol. 396. - P. 56-70, DOI 10.1016/j.aop.2018.05.020. - Cited References: 28. - This work has been supported by RFBR Grant 17-02-00440 . We thank D.N. Maksimov for discussions. . - ISSN 0003-4916
Кл.слова (ненормированные):
Acoustic wave transmission -- Spinning trapped modes with orbital angular momentum
Аннотация: We consider acoustic wave transmission in a non-axisymmetric waveguide which consists of a cylindrical resonator of radius R and length L and two cylindrical waveguides of radius r
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Держатели документа:
Kirensky Institute of Physics, Academy of Sciences, Krasnoyarsk, Russian Federation
Siberian Federal University, Krasnoyarsk, Russian Federation

Доп.точки доступа:
Pilipchuk, A. S.; Пилипчук, Артем Сергеевич; Sadreev, A. F.; Садреев, Алмаз Фаттахович; Ляпина, Алина Андреевна
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Chaotic waveguide-based resonators for microlasers / J. A. Mendez-Bermudez [et al.] // Phys. Rev. B. - 2003. - Vol. 67, Is. 16. - Ст. 161104, DOI 10.1103/PhysRevB.67.161104. - Cited References: 33 . - ISSN 1098-0121

РУБ Physics, Condensed Matter
Рубрики:
QUANTUM-CLASSICAL CORRESPONDENCE
   MORPHOLOGY-DEPENDENT RESONANCES
   DIRECTIONAL EMISSION
   OPTICAL CAVITIES
   MICRODISK LASERS
   WAVE CHAOS
   DROPLETS
   PRECESSION
   BILLIARDS
   STATES
Аннотация: We propose the construction of highly directional emission microlasers using two-dimensional high-index semiconductor waveguides as open resonators. The prototype waveguide is formed by two collinear leads connected to a cavity of certain shape. The proposed lasing mechanism requires that the shape of the cavity yield mixed chaotic ray dynamics so as to have the approplate (phase space) resonance islands. These islands allow, via Heisenberg's uncertainty principle, the appearance of quasibound states (QBSs) which, in turn, propitiate the lasing mechanism. The energy values of the QBSs are found through the solution of the Helmholtz equation. We use classical ray dynamics to predict the direction and intensity of the lasing produced by such open resonators for typical values of the index of refraction.

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Держатели документа:
Univ Autonoma Puebla, Inst Fis, Puebla 72570, Mexico
Univ Hradec Kralove, Dept Phys, Hradec Kralove, Czech Republic
Acad Sci Czech Republ, Inst Phys, Prague, Czech Republic
LV Kirenskii Inst Phys, Krasnoyarsk 660036, Russia
ИФ СО РАН

Доп.точки доступа:
Mendez-Bermudez, J. A.; Luna-Acosta, G. A.; Seba, P.; Pichugin, K. N.; Пичугин, Константин Николаевич
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Pyatnov, M. V.
Controlled photonic surface modes in 'cholesteric liquid crystal - Phase plate - Metal' structure / M. V. Pyatnov, S. Ya. Vetrov, I. V. Timofeev // Progress in Electromagnetics Research Symposium : Proceedings. - 2015. - Vol. 2015-January. - P. 224-227 . - ISBN 9781934142301
Кл.слова (ненормированные):
Cholesteric liquid crystals -- Crystal structure -- Light transmission -- Liquid crystals -- Liquids -- Optical Kerr effect -- Plates (structural components) -- Chiral media -- External fields -- Forward-and-backward -- Light transmission spectra -- Propagation of lights -- Surface modes -- Waveguide surfaces -- Plate metal
Аннотация: Light transmission spectrum has been calculated for a 'cholesteric liquid crystal-phase plate-metal' structure. It is shown that the system can have an isolated waveguide surface mode with characteristics efficiently controllable by external fields acting on the cholesteric. This mode is similar to optical Tamm state. We observed anisotropy of transmission of the structure under consideration in the propagation of light of a certain polarization in forward and backward directions. This property is inherent in optically chiral media, such as the cholesteric liquid crystal.

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Доп.точки доступа:
Vetrov, S. Ya.; Ветров, Степан Яковлевич; Timofeev, I. V.; Тимофеев, Иван Владимирович; Progress In Electromagnetics Research Symposium(2015 ; July 6-9 ; Prague)
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Bulgakov, E. N.
Desktop laboratory of bound states in the continuum in metallic waveguide with dielectric cavities / E. Bulgakov, A. Pilipchuk, A. Sadreev // Phys. Rev. B. - 2022. - Vol. 106, Is. 7. - Ст. 075304, DOI 10.1103/PhysRevB.106.075304. - Cited References: 64. - We are grateful to Lujun Huang, Andrey Miroshnichenko and Yi Xu for presentation of unpublished paper and discussions. The research was supported by Russian Science Foundation No. 22-12-00070 . - ISSN 2469-9950
Кл.слова (ненормированные):
Q factor measurement -- Topology -- Asymptotics -- Bound-states -- Dielectric cavities -- Infinite arrays -- Metallic waveguide -- Metallics -- Position and orientations -- Power -- Q-factors -- Maxwell equations
Аннотация: We consider dielectric cavities whose radiation space is restricted by two parallel metallic planes. The TM solutions of the Maxwell equations of the system are equivalent to the solutions of periodical arrays of dielectric cavities. The system readily allows to achieve bound states in the continuum (BICs) of any type including topological BICs as dependent on position and orientation of the cavities relative to the planes and that extremely facilitates experimental studies in comparison to infinite arrays of the cavities. We show the effect of merging of topologically protected BICs that pushes the square asymptotic of the Q factor into the power degree 4 or even 6.

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Держатели документа:
Kirensky Institute of Physics, Federal Research Center KSC SB RAS, Krasnoyarsk, 660036, Russian Federation

Доп.точки доступа:
Pilipchuk, A. S.; Пилипчук, Артем Сергеевич; Sadreev, A. F.; Садреев, Алмаз Фаттахович; Булгаков, Евгений Николаевич
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10.

Frequency mixing in a gas-filled wave-guide for VUV light generation / V. G. Arkhipkin [et al.] // Appl. Phys. B. - 1985. - Vol. 37, Is. 2. - P. 93-97, DOI 10.1007/BF00692555. - Cited References: 17 . - ISSN 0721-7269

РУБ Physics, Applied

Кл.слова (ненормированные):
42.65 -- LIGHT - Nonlinear Optical Effects -- WAVEGUIDES, OPTICAL -- FREQUENCY MIXING -- GAS-FILLED WAVEGUIDE -- ULTRAVIOLET RADIATION

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Держатели документа:
L. V. Kirensky Institute of Physics, USSR Academy of Sciences, Siberian Branch, Kransnoyarsk, SU-660036, Russia
Krasnoyarsk State University, Kransnoyarsk, SU-660036, Russia

Доп.точки доступа:
Arkhipkin, V. G.; Архипкин, Василий Григорьевич; Heller, Y. I.; Popov, A. K.; Попов, Александр Кузьмич; Provorov, A. S.
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