Pub Date : 2013-06-23DOI: 10.1109/MSMW.2013.6622071
V. Miroshnichenko, M. Demchenko, Y. Senkevich
The experimental researches of DRO-orbictron mainly confirmed the conclusions of theoretical researches and showed perspective of the use in DRO resonance matching method of double grating with the ORS-field. The placing of double grating on the bottom of the matching groove gives the opportunity in substantially decreasing of ORS-mirrors aperture, and we can excite in the ORS only the basic TEM00q-modes. The increasing of efficiency for energy exchange between an electron beam and resonance field in DRO-orbictron is caused by gathering of the resonance field to the width of matching groove and do not accompanied by the growth of ohmic losses in a resonator. At the choice of the matching groove height to b ≈ 0,75λ the width of one-mode frequency tuning for DRO-orbictron exceeds 5,5%, and the output power arrives P = 10Watt at the beam current Ia = 130mA and the accelerating voltage Ua = 2,9 kV. The carried-out experimental researches of DRO-orbictron showed a perspective of use the given ORS in short-wavelengths DRO.
{"title":"The experimental investigations of dro-orbictron in 8-MM waveband","authors":"V. Miroshnichenko, M. Demchenko, Y. Senkevich","doi":"10.1109/MSMW.2013.6622071","DOIUrl":"https://doi.org/10.1109/MSMW.2013.6622071","url":null,"abstract":"The experimental researches of DRO-orbictron mainly confirmed the conclusions of theoretical researches and showed perspective of the use in DRO resonance matching method of double grating with the ORS-field. The placing of double grating on the bottom of the matching groove gives the opportunity in substantially decreasing of ORS-mirrors aperture, and we can excite in the ORS only the basic TEM00q-modes. The increasing of efficiency for energy exchange between an electron beam and resonance field in DRO-orbictron is caused by gathering of the resonance field to the width of matching groove and do not accompanied by the growth of ohmic losses in a resonator. At the choice of the matching groove height to b ≈ 0,75λ the width of one-mode frequency tuning for DRO-orbictron exceeds 5,5%, and the output power arrives P = 10Watt at the beam current Ia = 130mA and the accelerating voltage Ua = 2,9 kV. The carried-out experimental researches of DRO-orbictron showed a perspective of use the given ORS in short-wavelengths DRO.","PeriodicalId":104362,"journal":{"name":"2013 International Kharkov Symposium on Physics and Engineering of Microwaves, Millimeter and Submillimeter Waves","volume":"146 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2013-06-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"127250088","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2013-06-23DOI: 10.1109/MSMW.2013.6622189
Iu I. Chekrygina, S. Nedukh, B. A. Savitsky, I. Shipkova, S. Tarapov
Composite materials consisting of micro- or nanogranules have great potential for microwave application as electromagnetic wave absorbers [1, 2]. We have studied the dynamic properties of arrays of ferromagnetic micron-sized Co particles deposited onto anodized porous alumina surface by electrodeposition. This method allows controlling of some factors to organize the metal into granule assembly with various particle shapes.
{"title":"FMR and structure characterization of cobalt microgranule arrays","authors":"Iu I. Chekrygina, S. Nedukh, B. A. Savitsky, I. Shipkova, S. Tarapov","doi":"10.1109/MSMW.2013.6622189","DOIUrl":"https://doi.org/10.1109/MSMW.2013.6622189","url":null,"abstract":"Composite materials consisting of micro- or nanogranules have great potential for microwave application as electromagnetic wave absorbers [1, 2]. We have studied the dynamic properties of arrays of ferromagnetic micron-sized Co particles deposited onto anodized porous alumina surface by electrodeposition. This method allows controlling of some factors to organize the metal into granule assembly with various particle shapes.","PeriodicalId":104362,"journal":{"name":"2013 International Kharkov Symposium on Physics and Engineering of Microwaves, Millimeter and Submillimeter Waves","volume":"70 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2013-06-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"127327000","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2013-06-23DOI: 10.1109/MSMW.2013.6622108
E. P. Kropotkina, S. V. Solomonov, S. Rozanov, A. Ignatyev, A. Lukin
Radio physical methods of remote sensing of the Earth's atmosphere based on spectral measurements of millimeter-wave (MMW) thermal emission of atmospheric gases opened new possibilities for studying changes of the atmosphere and its ozone layer. Ozone plays the key part in protection the Earth's biosphere against the UV-B solar radiation. Also ozone participates in photochemistry, dynamics, emission and thermal balance of the atmosphere, and the ozone changes are connected with all the processes. So monitoring of the vertical ozone distribution (VOD) is very important. Radio physical methods provide continuous and long-term series of observations and give the most complete picture of altitude-temporal ozone distribution and its variations including both short- and long-term ones.
{"title":"Millimeter-wave remote sensing of ozone vertical distribution over Moscow in periods of considerable changes in the ozone layer in 2010–2012","authors":"E. P. Kropotkina, S. V. Solomonov, S. Rozanov, A. Ignatyev, A. Lukin","doi":"10.1109/MSMW.2013.6622108","DOIUrl":"https://doi.org/10.1109/MSMW.2013.6622108","url":null,"abstract":"Radio physical methods of remote sensing of the Earth's atmosphere based on spectral measurements of millimeter-wave (MMW) thermal emission of atmospheric gases opened new possibilities for studying changes of the atmosphere and its ozone layer. Ozone plays the key part in protection the Earth's biosphere against the UV-B solar radiation. Also ozone participates in photochemistry, dynamics, emission and thermal balance of the atmosphere, and the ozone changes are connected with all the processes. So monitoring of the vertical ozone distribution (VOD) is very important. Radio physical methods provide continuous and long-term series of observations and give the most complete picture of altitude-temporal ozone distribution and its variations including both short- and long-term ones.","PeriodicalId":104362,"journal":{"name":"2013 International Kharkov Symposium on Physics and Engineering of Microwaves, Millimeter and Submillimeter Waves","volume":"274 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2013-06-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"132779239","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2013-06-23DOI: 10.1109/MSMW.2013.6622087
N. Gorobets, V. Kiyko, V. Gorobets
Thus, the analysis and minimization of the main types cross-polarized radiation of highly directional antennas in the millimeter and submillimeter ranges are relevant and important for many practical applications. Let us consider the formation process of the spatial distribution of cross-polarized radiation reflector antennas in the whole space of observation (not just in the major E-and H-planes). In [1] was shown that in the case of single-reflector axially symmetric parabolic reflector antennas the radiation of the transverse polarization is equal to zero in the direction of the main beam on the basic polarization, as well as in the principal planes of observation. In this case, the maximum levels of cross-polarized radiation occur in the observation planes φ = ±45°. It is easy to show that this result can be generalize for all types of aperture antennas and field distribution is similar to elementary aperture radiator - Huygens radiator. Indeed, according to the rule of directional patterns multiplication, the directional pattern zeros of the elementary radiator in cross-polarized component automatically provides all zeros of the antenna radiation pattern in the same planes of observation.
{"title":"Analisys of cross-polarized radiation of optimized reflector antennas","authors":"N. Gorobets, V. Kiyko, V. Gorobets","doi":"10.1109/MSMW.2013.6622087","DOIUrl":"https://doi.org/10.1109/MSMW.2013.6622087","url":null,"abstract":"Thus, the analysis and minimization of the main types cross-polarized radiation of highly directional antennas in the millimeter and submillimeter ranges are relevant and important for many practical applications. Let us consider the formation process of the spatial distribution of cross-polarized radiation reflector antennas in the whole space of observation (not just in the major E-and H-planes). In [1] was shown that in the case of single-reflector axially symmetric parabolic reflector antennas the radiation of the transverse polarization is equal to zero in the direction of the main beam on the basic polarization, as well as in the principal planes of observation. In this case, the maximum levels of cross-polarized radiation occur in the observation planes φ = ±45°. It is easy to show that this result can be generalize for all types of aperture antennas and field distribution is similar to elementary aperture radiator - Huygens radiator. Indeed, according to the rule of directional patterns multiplication, the directional pattern zeros of the elementary radiator in cross-polarized component automatically provides all zeros of the antenna radiation pattern in the same planes of observation.","PeriodicalId":104362,"journal":{"name":"2013 International Kharkov Symposium on Physics and Engineering of Microwaves, Millimeter and Submillimeter Waves","volume":"9 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2013-06-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"131845018","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2013-06-23DOI: 10.1109/MSMW.2013.6622151
A. Potapov
In base of modern fractal researches can be highlighted three main lines: fractal approach theoretical base development, building of research apparatus, corresponding it, and application of the fractal ideas and particular methods. In this paper all three lines are considered. First of all, the work actuality is due to urgent need for comprehension of fractality and chaos as a united whole process, forming the fractal paradigm in wide range of natural sciences and humanities, i. e. in the “fractal science”.
{"title":"Fractal paradigm and fractal-scaling methods in fundamentally new dynamic fractal signal detectors","authors":"A. Potapov","doi":"10.1109/MSMW.2013.6622151","DOIUrl":"https://doi.org/10.1109/MSMW.2013.6622151","url":null,"abstract":"In base of modern fractal researches can be highlighted three main lines: fractal approach theoretical base development, building of research apparatus, corresponding it, and application of the fractal ideas and particular methods. In this paper all three lines are considered. First of all, the work actuality is due to urgent need for comprehension of fractality and chaos as a united whole process, forming the fractal paradigm in wide range of natural sciences and humanities, i. e. in the “fractal science”.","PeriodicalId":104362,"journal":{"name":"2013 International Kharkov Symposium on Physics and Engineering of Microwaves, Millimeter and Submillimeter Waves","volume":"26 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2013-06-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"125373319","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2013-06-23DOI: 10.1109/MSMW.2013.6622003
O. P. Kusaykin, P. Melezhik, A. Poyedinchuk
Research into the special features of the wave processes in open structures (open waveguides and resonators, diffraction gratings) completed with metamaterials [1, 2] attracts considerable interest and both allows formulation of new physical principles of electromagnetic wave generation, amplification and channeling and promotes adoption of such specific properties of the electromagnetic field in these structures as Doppler shift inversion, changes of Cerenkov radiation direction, etc. [1]. An important stage in these studies is the research into resonant effects arising during the plane monochromatic electromagnetic wave diffraction by single-periodic structures with metamaterials [3]. In this report, resonant phenomena occurring in the H-polarized plane wave scattering by a grating are discussed. The grating is made of rectangular perfectly conducting bars, the slots are filled with a metamaterial, its effective permittivity depending on the excitation wave frequency. In a frequency region where the real part of the effective permittivity of the metamaterial takes on negative values, a denumerable set of frequencies with a finite accumulation point has been found at which the reflection coefficient comes close to a unit. This anomalous reflection is caused by the excitation of specific oscillations localized on the metamaterial-vacuum interface.
{"title":"Resonant plane wave scattering by a grating of rectangular bars and a metamaterial","authors":"O. P. Kusaykin, P. Melezhik, A. Poyedinchuk","doi":"10.1109/MSMW.2013.6622003","DOIUrl":"https://doi.org/10.1109/MSMW.2013.6622003","url":null,"abstract":"Research into the special features of the wave processes in open structures (open waveguides and resonators, diffraction gratings) completed with metamaterials [1, 2] attracts considerable interest and both allows formulation of new physical principles of electromagnetic wave generation, amplification and channeling and promotes adoption of such specific properties of the electromagnetic field in these structures as Doppler shift inversion, changes of Cerenkov radiation direction, etc. [1]. An important stage in these studies is the research into resonant effects arising during the plane monochromatic electromagnetic wave diffraction by single-periodic structures with metamaterials [3]. In this report, resonant phenomena occurring in the H-polarized plane wave scattering by a grating are discussed. The grating is made of rectangular perfectly conducting bars, the slots are filled with a metamaterial, its effective permittivity depending on the excitation wave frequency. In a frequency region where the real part of the effective permittivity of the metamaterial takes on negative values, a denumerable set of frequencies with a finite accumulation point has been found at which the reflection coefficient comes close to a unit. This anomalous reflection is caused by the excitation of specific oscillations localized on the metamaterial-vacuum interface.","PeriodicalId":104362,"journal":{"name":"2013 International Kharkov Symposium on Physics and Engineering of Microwaves, Millimeter and Submillimeter Waves","volume":"144 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2013-06-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"123364416","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2013-06-23DOI: 10.1109/MSMW.2013.6622127
G. Zaginaylov, V. Shcherbinin, K. Schuenemann, M. Glyavin
In this paper a new approach to the analysis of irregular lossy waveguides is proposed. It allows us to reduce the problem to the set of ordinary differential equations similar to lossless case. It is based on scalar expansions, which are more flexible and, as a rule, have better convergence compared to the vector ones. It takes into account local lossy boundary conditions in a rigorous manner. It can be applied for a lot of waveguide structures with different cross-sections, with non-uniform and anisotropic filling, and so on. A brief description of the approach is presented below for the case of a circular waveguide with an azimuthally symmetric radius variation.
{"title":"Novel approach to the theory of longitudinally inhomogeneous lossy waveguides","authors":"G. Zaginaylov, V. Shcherbinin, K. Schuenemann, M. Glyavin","doi":"10.1109/MSMW.2013.6622127","DOIUrl":"https://doi.org/10.1109/MSMW.2013.6622127","url":null,"abstract":"In this paper a new approach to the analysis of irregular lossy waveguides is proposed. It allows us to reduce the problem to the set of ordinary differential equations similar to lossless case. It is based on scalar expansions, which are more flexible and, as a rule, have better convergence compared to the vector ones. It takes into account local lossy boundary conditions in a rigorous manner. It can be applied for a lot of waveguide structures with different cross-sections, with non-uniform and anisotropic filling, and so on. A brief description of the approach is presented below for the case of a circular waveguide with an azimuthally symmetric radius variation.","PeriodicalId":104362,"journal":{"name":"2013 International Kharkov Symposium on Physics and Engineering of Microwaves, Millimeter and Submillimeter Waves","volume":"15 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2013-06-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"123409320","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2013-06-23DOI: 10.1109/MSMW.2013.6622073
V. Shcherbak
We reach good energetics of self-excitation at work of the generator on higher synchronous field's-harmonics. For this we correctly choose parameters of the grating for interaction with an electronic stream. It concerns to the laddertron and to other types the generators of diffraction radiation (GDR). We essentially improve energetics, if we transfer from a quasi-statics to the regime of Wood's anomalies. And it contrary to counteraction of ohmic losses, which we noticeably diminish, if we replace a reflective grating by through-pass grating, excited by two electron beams.
{"title":"Energetics of laddertron with reflective or through-pass grating in the regime of Wood's anomalies","authors":"V. Shcherbak","doi":"10.1109/MSMW.2013.6622073","DOIUrl":"https://doi.org/10.1109/MSMW.2013.6622073","url":null,"abstract":"We reach good energetics of self-excitation at work of the generator on higher synchronous field's-harmonics. For this we correctly choose parameters of the grating for interaction with an electronic stream. It concerns to the laddertron and to other types the generators of diffraction radiation (GDR). We essentially improve energetics, if we transfer from a quasi-statics to the regime of Wood's anomalies. And it contrary to counteraction of ohmic losses, which we noticeably diminish, if we replace a reflective grating by through-pass grating, excited by two electron beams.","PeriodicalId":104362,"journal":{"name":"2013 International Kharkov Symposium on Physics and Engineering of Microwaves, Millimeter and Submillimeter Waves","volume":"25 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2013-06-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"126086976","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2013-06-23DOI: 10.1109/MSMW.2013.6622008
V. Goryashko, Y. Tarasov, L. D. Shostenko
A theory of wave propagation in waveguides incorporating a finite-length segment with periodically corrugated side boundaries is developed. By now a lot of research papers on wave propagation in guiding systems with periodically varying parameters have been published [1,2]. In those papers, different effective-medium models were used to describe the wave propagation. These models take the account of the properties related to waveguide periodical nature, but they do not allow for all the peculiarities of wave scattering by uneven boundaries. The waveguide wall corrugation was normally assumed to be smooth, so the terms in the wave equation that are governed by corrugation profile derivatives were omitted by all of the authors.
{"title":"Wave propagation through a waveguide segment with corrugated walls: The critical role of the corrugation sharpness","authors":"V. Goryashko, Y. Tarasov, L. D. Shostenko","doi":"10.1109/MSMW.2013.6622008","DOIUrl":"https://doi.org/10.1109/MSMW.2013.6622008","url":null,"abstract":"A theory of wave propagation in waveguides incorporating a finite-length segment with periodically corrugated side boundaries is developed. By now a lot of research papers on wave propagation in guiding systems with periodically varying parameters have been published [1,2]. In those papers, different effective-medium models were used to describe the wave propagation. These models take the account of the properties related to waveguide periodical nature, but they do not allow for all the peculiarities of wave scattering by uneven boundaries. The waveguide wall corrugation was normally assumed to be smooth, so the terms in the wave equation that are governed by corrugation profile derivatives were omitted by all of the authors.","PeriodicalId":104362,"journal":{"name":"2013 International Kharkov Symposium on Physics and Engineering of Microwaves, Millimeter and Submillimeter Waves","volume":"17 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2013-06-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"123849150","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2013-06-23DOI: 10.1109/MSMW.2013.6622128
A. Galuza, V. K. Kiseliov, I. Kolenov, Y. Kuleshov, S.V. Mizrakhy, S.Yu. Serebryanskiy
Ellipsometry is a set of noncontact and nondestructive experimental techniques for studying physical properties and structural parameters of various materials and systems [1-3]. Ellipsometry is based on the phenomena of radiation polarization state change at reflecting from a surface. At present, extension of the probing radiation frequency-range is one of the major development lines of ellipsometric experimental technique. Each spectral interval requires specific elements and design though general configuration remains the same.
{"title":"A new-type THz null-ellipsometer based on quasi-optical transmission line and components","authors":"A. Galuza, V. K. Kiseliov, I. Kolenov, Y. Kuleshov, S.V. Mizrakhy, S.Yu. Serebryanskiy","doi":"10.1109/MSMW.2013.6622128","DOIUrl":"https://doi.org/10.1109/MSMW.2013.6622128","url":null,"abstract":"Ellipsometry is a set of noncontact and nondestructive experimental techniques for studying physical properties and structural parameters of various materials and systems [1-3]. Ellipsometry is based on the phenomena of radiation polarization state change at reflecting from a surface. At present, extension of the probing radiation frequency-range is one of the major development lines of ellipsometric experimental technique. Each spectral interval requires specific elements and design though general configuration remains the same.","PeriodicalId":104362,"journal":{"name":"2013 International Kharkov Symposium on Physics and Engineering of Microwaves, Millimeter and Submillimeter Waves","volume":"2 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2013-06-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"114258668","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
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