Zobrazeno 1 - 10
of 44
pro vyhledávání: '"E. V. Koposova"'
Autor:
E. A. Serov, D. A. Perminov, S. Yu. Kornishin, Vladimir V. Parshin, E. V. Koposova, S. N. Vlasov
Publikováno v:
Radiophysics and Quantum Electronics. 63:106-113
We present the results of a theoretical calculation and an experimental study of double-sided antireflective processing of a dielectric plate by creating a specially profiled corrugated structure on its surface. Such a structure allows one to minimiz
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::8d12ac82409db5bfa719456970eae119
https://doi.org/10.1007/s11141-020-10039-7
https://doi.org/10.1007/s11141-020-10039-7
Autor:
S. N. Vlasov, E. V. Koposova
Publikováno v:
Radiophysics and Quantum Electronics. 61:908-914
We consider the problem of energy transmission from one aperture to another by the wave fields in smoothly inhomogeneous media. The study is performed in the quasioptical and scalar approximations when the aperture sizes significantly exceed the wave
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::bf7d989ef12018c57b03344acd144f2f
https://doi.org/10.1007/s11141-019-09946-1
https://doi.org/10.1007/s11141-019-09946-1
Publikováno v:
Infocommunications and Radio Technologies. 2:52-59
The results of reflectivity study of metalized carbon-fiber panels for antennas of satellite radiometers in the MM and SubMM ranges are presented. The panels reflection losses with metalized polyimide film strips pasted on them and the effect of over
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::e9bc323cf22944de9c70b662c9734bf8
https://doi.org/10.15826/icrt.2019.02.1.05
https://doi.org/10.15826/icrt.2019.02.1.05
Publikováno v:
Radiophysics and Quantum Electronics. 61:127-134
We develop the theory of a three-mirror echelette traveling-wave resonator with frequency tuning, in which one of the mirrors is an echelette reflective diffraction grating. The theory makes it possible to allow for the diffraction loss related to fi
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::af3371615ccae1b1bc4868356620d0ee
https://doi.org/10.1007/s11141-018-9876-5
https://doi.org/10.1007/s11141-018-9876-5
Autor:
S. N. Vlasov, E. V. Koposova
Publikováno v:
Radiophysics and Quantum Electronics. 59:310-316
We develop the theory of a two-mirror resonator, in which one mirror is an echelette diffraction grating. The diffraction loss related to the finite sizes of the mirrors, the loss determined by the existence of a mirror diffraction maximum of the gra
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::31f65284d9fc5465ad3d7300399e85f9
https://doi.org/10.1007/s11141-016-9699-1
https://doi.org/10.1007/s11141-016-9699-1
Publikováno v:
Radiophysics and Quantum Electronics. 59:137-144
We present a prototype of a quasioptical Mach—Zehnder interferometer with wave beam splitters in the form of reflective diffraction gratings. Characteristics of the diplexer are studied experimentally at frequencies of about 140 GHz. The measuremen
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::eb66196c42d87b34c023de1d6894fec3
https://doi.org/10.1007/s11141-016-9683-9
https://doi.org/10.1007/s11141-016-9683-9
Autor:
E. V. Koposova
Publikováno v:
Radiophysics and Quantum Electronics. 58:350-360
We estimate the ohmic losses in the case of scattering of a plane electromagnetic wave by a metal corrugated surface. Comparative analysis of the losses is performed for different regimes of wave incidence and scattering (self-collimation and differe
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::68bac431d3d791b0d84826d188555955
https://doi.org/10.1007/s11141-015-9609-y
https://doi.org/10.1007/s11141-015-9609-y
Autor:
S. Yu. Kornishin, V. I. Belousov, V. E. Zapevalov, A. N. Kuftin, Mikhail A. Moiseev, V. I. Khizhnyak, N. A. Zavolsky, E. V. Koposova, S. N. Vlasov
Publikováno v:
Radiophysics and Quantum Electronics. 57:446-454
We describe a gyrotron which is operated at the first gyrofrequency harmonic and has an echelette cavity with the sinusoidal corrugation profile. A method for calculating the parameters of the echelette cavity and the gyrotron is described. The resul
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::8b6bf046d271ccb6f9e2a8e573fe1c9b
https://doi.org/10.1007/s11141-014-9527-4
https://doi.org/10.1007/s11141-014-9527-4
Autor:
S. N. Vlasov, E. V. Koposova
Publikováno v:
Radiophysics and Quantum Electronics. 56:658-663
We discuss the multi-mirror traveling-wave cavity, where one of the mirrors is a reflecting diffraction grating. The structure of its eigenfunctions is described, and its high selectivity is pointed out.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::18298bdd5eb91275072aee5c1e7668a8
https://doi.org/10.1007/s11141-014-9470-4
https://doi.org/10.1007/s11141-014-9470-4
Autor:
S. D. Bogdanov, N. P. Venedictov, S. N. Vlasov, E.A. Soluyanova, E. V. Koposova, V. I. Kurbatov, L. N. Agapov
Publikováno v:
Radiophysics and Quantum Electronics. 56:441-445
We discuss the possibility of developing high-power gyrotrons with electric tuning of operating frequencies on the basis of the use of echelette systems. Along with the high selective properties, such systems are capable of reducing Q-factors of mode
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::299dd46c1f5c5cdda3b3f2599bfc3c81
https://doi.org/10.1007/s11141-013-9447-8
https://doi.org/10.1007/s11141-013-9447-8