Pub Date : 2019-12-01DOI: 10.1109/PIERS-Fall48861.2019.9021722
Jing Dong, Xinyi Wang, Yangyang He
In this paper, we introduce a new two-sided sensor based on the complementary split-ring resonators (CSRRS) to the permittivity measurement at microwave frequencies. The electrically small samples are placed above the well-designed sensor, so that frequency offsets due to the samples can be detected to retrieve the permittivity. Analysis and simulations validate that by applying this method, permittivity can be linearly retrieved from the frequency offsets. The measurement setup can be conveniently calibrated with a given sample with known permittivity.
{"title":"Noncontact Measurement of Permittivity Based on CSRR at Microwave Frequencies","authors":"Jing Dong, Xinyi Wang, Yangyang He","doi":"10.1109/PIERS-Fall48861.2019.9021722","DOIUrl":"https://doi.org/10.1109/PIERS-Fall48861.2019.9021722","url":null,"abstract":"In this paper, we introduce a new two-sided sensor based on the complementary split-ring resonators (CSRRS) to the permittivity measurement at microwave frequencies. The electrically small samples are placed above the well-designed sensor, so that frequency offsets due to the samples can be detected to retrieve the permittivity. Analysis and simulations validate that by applying this method, permittivity can be linearly retrieved from the frequency offsets. The measurement setup can be conveniently calibrated with a given sample with known permittivity.","PeriodicalId":197451,"journal":{"name":"2019 Photonics & Electromagnetics Research Symposium - Fall (PIERS - Fall)","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2019-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"129968933","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 : 2019-12-01DOI: 10.1109/PIERS-Fall48861.2019.9021667
Rui Li, Xiaodong Ye, Rushan Chen
In this paper, aiming at the imaging and estimation of accelerated moving targets with range and azimuth velocity and acceleration, the influence of high-order phase of echo is analyzed, and the imaging formula of moving target is derived. The fourth-order polynomial Fourier transform is used to improve the former method of fitting the range history directly, whose higher-order coefficient is not accurate. Finally, an example is given to demonstrate the effectiveness of the proposed method.
{"title":"Ground Moving Target Imaging of Synthetic Aperture Radar Based on Improved Range History Fitting Method","authors":"Rui Li, Xiaodong Ye, Rushan Chen","doi":"10.1109/PIERS-Fall48861.2019.9021667","DOIUrl":"https://doi.org/10.1109/PIERS-Fall48861.2019.9021667","url":null,"abstract":"In this paper, aiming at the imaging and estimation of accelerated moving targets with range and azimuth velocity and acceleration, the influence of high-order phase of echo is analyzed, and the imaging formula of moving target is derived. The fourth-order polynomial Fourier transform is used to improve the former method of fitting the range history directly, whose higher-order coefficient is not accurate. Finally, an example is given to demonstrate the effectiveness of the proposed method.","PeriodicalId":197451,"journal":{"name":"2019 Photonics & Electromagnetics Research Symposium - Fall (PIERS - Fall)","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2019-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"134067255","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}
Polarization conversion metasurface has been widely studied from microwave to optical spectrum and utilized for many practical applications. In this paper, a dual-band and high-efficiency cross polarization conversion metasurface is proposed and investigated. Cross polarization metasurface unit is based on a perforated symmetric circular double split ring resonator which is deposited on a dielectric backed by a metal sheet. The proposed dual-band cross polarization metasurface can efficiently convert linearly polarized incident wave to its cross reflection direction with a 3 dB spectrum at Ku band (11.85 GHz ~ 18.42 GHz) and K band (20.76 GHz ~ 21.34 GHz) according to the optimized numerical simulation results based on finite integration method, respectively. The cross polarization conversion fractional bandwidth of the first reflective spectrum is above 50% while the second reflective spectrum is relatively narrowband. Besides, the proposed metasurface structure is insensitive to the polarization of the incident wave. The cross polarization conversion response to large oblique incident angle is also examined and investigated. It is shown that the proposed cross polarization conversion metasurface structure is insensitive to incident angle and its cross polarization conversion performance keeps almost constant even with 60° large oblique incident angle. The fabricated sample is in progress and the measured results will be compared with simulated results later. The proposed studies on the perforated symmetric circular double split ring can find many potential applications in polarization-controlled devices which possess relative broad bandwidth, high-efficiency, insensitive to polarized direction and oblique angle of incident wave.
{"title":"Dual-wideband Cross Polarization Conversion Metasurface Based on a Symmetric Split Ring Resonator","authors":"Yong-Qiang Liu, Xunwang Dang, Liangsheng Li, Hongcheng Yin","doi":"10.1109/PIERS-Fall48861.2019.9021557","DOIUrl":"https://doi.org/10.1109/PIERS-Fall48861.2019.9021557","url":null,"abstract":"Polarization conversion metasurface has been widely studied from microwave to optical spectrum and utilized for many practical applications. In this paper, a dual-band and high-efficiency cross polarization conversion metasurface is proposed and investigated. Cross polarization metasurface unit is based on a perforated symmetric circular double split ring resonator which is deposited on a dielectric backed by a metal sheet. The proposed dual-band cross polarization metasurface can efficiently convert linearly polarized incident wave to its cross reflection direction with a 3 dB spectrum at Ku band (11.85 GHz ~ 18.42 GHz) and K band (20.76 GHz ~ 21.34 GHz) according to the optimized numerical simulation results based on finite integration method, respectively. The cross polarization conversion fractional bandwidth of the first reflective spectrum is above 50% while the second reflective spectrum is relatively narrowband. Besides, the proposed metasurface structure is insensitive to the polarization of the incident wave. The cross polarization conversion response to large oblique incident angle is also examined and investigated. It is shown that the proposed cross polarization conversion metasurface structure is insensitive to incident angle and its cross polarization conversion performance keeps almost constant even with 60° large oblique incident angle. The fabricated sample is in progress and the measured results will be compared with simulated results later. The proposed studies on the perforated symmetric circular double split ring can find many potential applications in polarization-controlled devices which possess relative broad bandwidth, high-efficiency, insensitive to polarized direction and oblique angle of incident wave.","PeriodicalId":197451,"journal":{"name":"2019 Photonics & Electromagnetics Research Symposium - Fall (PIERS - Fall)","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2019-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"131474905","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}
A Metal-Insulator-Metal (MIM) voltage tunable filter based on the Aperture-coupled method is proposed, which consists of two micro-ring resonators filled with organic Electro-Optical materials DAST and a rectangular waveguide. The transmission spectrum, resonance wavelength distribution curves and the magnetic field distribution of the asymmetric micro-ring cavities waveguide structure filter have been calculated and analyzed by the finite element numerical simulation method. The results show that the filter has the feature of a smooth transmission spectrum, a wide passband bandwidth (Full width at half maxima can be achieved 520 nm) and stopband bandwidth (Full width at half maxima reaches 50 nm). And the transmittance of the passband is up to 0.97, the transmittance of the stopband can reach 1 × 10−4. When the structural parameters h and R of the filter are increased, the corresponding transmission spectrum will have obvious red shift, and the transmittance of the different resonant modes will not change. In addition, the change of the resonance wavelength has a linear relationship with the change of the structural parameters h and R. When the structural parameter d is increased, the positions of the different resonant modes are almost unchanged. By adjusting the voltage, the transmission spectrum of the filter also occurs red shift, and the resonance wavelength increases linearly with the increase of the voltage. The characteristics of the filter can be adjusted not only by changing the structural parameters, but also by applying a control voltage, the adjustability of the filter is increased. Therefore, the filter is of great significance in high-density integrated circuits and nano-optics.
{"title":"Aperture-coupled Plasmonic Voltage Tunable Filter Based on Asymmetric Micro-ring Resonators","authors":"Zhihao Guo, Guanmao Zhang, Litao Qiao, Yaping Zhao, Panan Ren","doi":"10.1109/PIERS-Fall48861.2019.9021838","DOIUrl":"https://doi.org/10.1109/PIERS-Fall48861.2019.9021838","url":null,"abstract":"A Metal-Insulator-Metal (MIM) voltage tunable filter based on the Aperture-coupled method is proposed, which consists of two micro-ring resonators filled with organic Electro-Optical materials DAST and a rectangular waveguide. The transmission spectrum, resonance wavelength distribution curves and the magnetic field distribution of the asymmetric micro-ring cavities waveguide structure filter have been calculated and analyzed by the finite element numerical simulation method. The results show that the filter has the feature of a smooth transmission spectrum, a wide passband bandwidth (Full width at half maxima can be achieved 520 nm) and stopband bandwidth (Full width at half maxima reaches 50 nm). And the transmittance of the passband is up to 0.97, the transmittance of the stopband can reach 1 × 10−4. When the structural parameters h and R of the filter are increased, the corresponding transmission spectrum will have obvious red shift, and the transmittance of the different resonant modes will not change. In addition, the change of the resonance wavelength has a linear relationship with the change of the structural parameters h and R. When the structural parameter d is increased, the positions of the different resonant modes are almost unchanged. By adjusting the voltage, the transmission spectrum of the filter also occurs red shift, and the resonance wavelength increases linearly with the increase of the voltage. The characteristics of the filter can be adjusted not only by changing the structural parameters, but also by applying a control voltage, the adjustability of the filter is increased. Therefore, the filter is of great significance in high-density integrated circuits and nano-optics.","PeriodicalId":197451,"journal":{"name":"2019 Photonics & Electromagnetics Research Symposium - Fall (PIERS - Fall)","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2019-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"131718779","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 : 2019-12-01DOI: 10.1109/PIERS-Fall48861.2019.9021783
G. Xing, Y. Y. Wang
A coordinate-free formulation of four tensor Green’s functions for the general homogeneous uniaxial anisotropic lossless and/or lossy media is developed with the Fourier transformations. In the derivation of these formulas, the product to sum approach is introduced to evaluate the Fourier integrations. For the lossy media, the double-value problem, which is existed in calculating formula of Green’s functions, is effectively avoided by the radiation condition. With a way of finding limit, the pseudo-singularities problem of four Green’s functions, which has to be treated, is discussed deeply and resolved briefly. The robust and efficient computational procedure of Green’s functions is achieved with C++ operator overloading. Modeling results of the triaxial induction well-logging demonstrate efficiency of the computation of the coordinate-free formulas.
{"title":"Coordinate-free Formulation and Evaluation of Tensor Green’s Functions for General Homogeneous Uniaxial Anisotropic Media","authors":"G. Xing, Y. Y. Wang","doi":"10.1109/PIERS-Fall48861.2019.9021783","DOIUrl":"https://doi.org/10.1109/PIERS-Fall48861.2019.9021783","url":null,"abstract":"A coordinate-free formulation of four tensor Green’s functions for the general homogeneous uniaxial anisotropic lossless and/or lossy media is developed with the Fourier transformations. In the derivation of these formulas, the product to sum approach is introduced to evaluate the Fourier integrations. For the lossy media, the double-value problem, which is existed in calculating formula of Green’s functions, is effectively avoided by the radiation condition. With a way of finding limit, the pseudo-singularities problem of four Green’s functions, which has to be treated, is discussed deeply and resolved briefly. The robust and efficient computational procedure of Green’s functions is achieved with C++ operator overloading. Modeling results of the triaxial induction well-logging demonstrate efficiency of the computation of the coordinate-free formulas.","PeriodicalId":197451,"journal":{"name":"2019 Photonics & Electromagnetics Research Symposium - Fall (PIERS - Fall)","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2019-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"132843723","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 : 2019-12-01DOI: 10.1109/PIERS-Fall48861.2019.9021528
Rong Gu, Yusi Yang, Zhuohao Cai
Cross-sensory information enhancement effect means that the information obtained from a sense channel can enhance the brain’s judgment on the information from another sensory channel. The research on the special multisensory integration has a very important role in the study of human perception, learning and memory.In this study, EEG data of subjects from single sensory area and multi-sensory joint areas will be obtained by cross-sensory stimulation experiments. After the analysis from the time, frequency and spatial domains, the features of cross-sensory information enhancement are extracted. The brain areas where information exchanges exist will be determined.By designing the experiments (single-sensory sustained attention task, sSAT and multi-sensory sustained attention task, mSAT), we obtain induced brain waves, and analyze human EEG information from which we extract ERP (Event Related Potential) component and conduct discriminatory analysis. Then we study the reaction mechanism of the brain. Using behavioral analysis, ERP time domain analysis and time-frequency analysis technology, we compare the results of two kinds of experiments (sSAT and mSAT) to explore the physiological mechanism of sustained attention.On this basis of analyzing subjects’ individual differernces, an effective neurofeedback training method will be established to activate the various functional areas of the brain, which provides a theoretical basis for development of instruments to enhance perception and improve the living conditions of the populations whose sensory perception is decreased. This study has enormous social value.
{"title":"Research on Cross-sensory Information Enhancement Effect Based on the Analysis of Multi-mode Brain Imaging","authors":"Rong Gu, Yusi Yang, Zhuohao Cai","doi":"10.1109/PIERS-Fall48861.2019.9021528","DOIUrl":"https://doi.org/10.1109/PIERS-Fall48861.2019.9021528","url":null,"abstract":"Cross-sensory information enhancement effect means that the information obtained from a sense channel can enhance the brain’s judgment on the information from another sensory channel. The research on the special multisensory integration has a very important role in the study of human perception, learning and memory.In this study, EEG data of subjects from single sensory area and multi-sensory joint areas will be obtained by cross-sensory stimulation experiments. After the analysis from the time, frequency and spatial domains, the features of cross-sensory information enhancement are extracted. The brain areas where information exchanges exist will be determined.By designing the experiments (single-sensory sustained attention task, sSAT and multi-sensory sustained attention task, mSAT), we obtain induced brain waves, and analyze human EEG information from which we extract ERP (Event Related Potential) component and conduct discriminatory analysis. Then we study the reaction mechanism of the brain. Using behavioral analysis, ERP time domain analysis and time-frequency analysis technology, we compare the results of two kinds of experiments (sSAT and mSAT) to explore the physiological mechanism of sustained attention.On this basis of analyzing subjects’ individual differernces, an effective neurofeedback training method will be established to activate the various functional areas of the brain, which provides a theoretical basis for development of instruments to enhance perception and improve the living conditions of the populations whose sensory perception is decreased. This study has enormous social value.","PeriodicalId":197451,"journal":{"name":"2019 Photonics & Electromagnetics Research Symposium - Fall (PIERS - Fall)","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2019-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"132813396","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 : 2019-12-01DOI: 10.1109/PIERS-Fall48861.2019.9021870
Changwei Li, Lei Gao, Jian Liu
3D magnetotelluric modeling requires solving low-frequency plane wave electromagnetic induction problems. A mixed finite element method is proposed for computing the electric field in a 3D conductivity model of the Earth for plane wave source. The scheme augments curl-curl equation utilizing the Helmholtz decomposition of the electrical field into its divergence-free and curl-free components, and enforces explicitly the continuity condition of current density into the boundary-value problem. The discretization of the mixed formulation leads to a linear system in symmetric saddle point form. Numerical examples show that the method is numerically stable.
{"title":"A Mixed Finite Element Method with Right-hand-side Correction for Low-frequency Plane Wave Electromagnetic Modeling","authors":"Changwei Li, Lei Gao, Jian Liu","doi":"10.1109/PIERS-Fall48861.2019.9021870","DOIUrl":"https://doi.org/10.1109/PIERS-Fall48861.2019.9021870","url":null,"abstract":"3D magnetotelluric modeling requires solving low-frequency plane wave electromagnetic induction problems. A mixed finite element method is proposed for computing the electric field in a 3D conductivity model of the Earth for plane wave source. The scheme augments curl-curl equation utilizing the Helmholtz decomposition of the electrical field into its divergence-free and curl-free components, and enforces explicitly the continuity condition of current density into the boundary-value problem. The discretization of the mixed formulation leads to a linear system in symmetric saddle point form. Numerical examples show that the method is numerically stable.","PeriodicalId":197451,"journal":{"name":"2019 Photonics & Electromagnetics Research Symposium - Fall (PIERS - Fall)","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2019-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"130784950","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 : 2019-12-01DOI: 10.1109/PIERS-Fall48861.2019.9021785
Yiming Zhang, Yuxin Lin, Hui Liu, Sailing He
A novel low-profile circular cavity-backed slot antenna based on corrugated substrate integrated waveguide (CSIW) operating at 24 GHz is introduced in this paper. By replacing the conventional metallic via-holes in a substrate integrated waveguide (SIW) with quarter-wave open-stubs, CSIW not only preserves some advantages of the SIW technology, but also makes it easier to fabricate and integrate. We design a circular cavity on the basis of CSIW technology and realize the impedance matching by etching two split round slots with the same center on the top of the cavity. In addition, by changing the angle difference between the two splits, a new mode can be crated to widen the impedance bandwidth. Simulation results show the −10 dB impedance bandwidth of the proposed antenna is 6.6% (23.6–25.2 GHz), and the gain patterns are stable in the operating bandwidth and a maximum gain of 5.1 dBi can be achieved in the directions of θ = ±45°.
{"title":"24 GHz Circular Cavity-backed Slot Antenna Based on Corrugated Substrate Integrated Waveguides","authors":"Yiming Zhang, Yuxin Lin, Hui Liu, Sailing He","doi":"10.1109/PIERS-Fall48861.2019.9021785","DOIUrl":"https://doi.org/10.1109/PIERS-Fall48861.2019.9021785","url":null,"abstract":"A novel low-profile circular cavity-backed slot antenna based on corrugated substrate integrated waveguide (CSIW) operating at 24 GHz is introduced in this paper. By replacing the conventional metallic via-holes in a substrate integrated waveguide (SIW) with quarter-wave open-stubs, CSIW not only preserves some advantages of the SIW technology, but also makes it easier to fabricate and integrate. We design a circular cavity on the basis of CSIW technology and realize the impedance matching by etching two split round slots with the same center on the top of the cavity. In addition, by changing the angle difference between the two splits, a new mode can be crated to widen the impedance bandwidth. Simulation results show the −10 dB impedance bandwidth of the proposed antenna is 6.6% (23.6–25.2 GHz), and the gain patterns are stable in the operating bandwidth and a maximum gain of 5.1 dBi can be achieved in the directions of θ = ±45°.","PeriodicalId":197451,"journal":{"name":"2019 Photonics & Electromagnetics Research Symposium - Fall (PIERS - Fall)","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2019-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"131001820","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 : 2019-12-01DOI: 10.1109/PIERS-Fall48861.2019.9021907
S. Chen, C. Seow, S. Y. Tan, P. B. De Silva
This paper presents a novel twisted radio wave based wireless communication system that has the capability to discriminate against strong reflections in indoor multipath environment. The twisted wave transmitter is designed using a uniform circular array, which is capable of transmitting different OAM modes simultaneously and the receiver is designed to match to the transmitted OAM mode. The measurement results obtained from the experiments carried out in different indoor environments and different propagation scenarios show that our proposed twisted radio wave system can provide a stable transmission link even in the presence of existing ZigBee and Wi-Fi signals, which are operating in the same frequency band. A good general agreement between the simulations and measurement results shows the accuracy and applicability of our proposed wireless communication system in such indoor multipath environments.
{"title":"Measurements and Characterization of Twisted Radio Wave Multipath for Indoor Wireless Communication and Security System","authors":"S. Chen, C. Seow, S. Y. Tan, P. B. De Silva","doi":"10.1109/PIERS-Fall48861.2019.9021907","DOIUrl":"https://doi.org/10.1109/PIERS-Fall48861.2019.9021907","url":null,"abstract":"This paper presents a novel twisted radio wave based wireless communication system that has the capability to discriminate against strong reflections in indoor multipath environment. The twisted wave transmitter is designed using a uniform circular array, which is capable of transmitting different OAM modes simultaneously and the receiver is designed to match to the transmitted OAM mode. The measurement results obtained from the experiments carried out in different indoor environments and different propagation scenarios show that our proposed twisted radio wave system can provide a stable transmission link even in the presence of existing ZigBee and Wi-Fi signals, which are operating in the same frequency band. A good general agreement between the simulations and measurement results shows the accuracy and applicability of our proposed wireless communication system in such indoor multipath environments.","PeriodicalId":197451,"journal":{"name":"2019 Photonics & Electromagnetics Research Symposium - Fall (PIERS - Fall)","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2019-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"131258410","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 : 2019-12-01DOI: 10.1109/PIERS-Fall48861.2019.9021367
D. Valovik
The paper focused on the problem of propagation of a monochromatic transverse magnetic (TM) wave (E, H)e−iωt in a plane dielectric waveguide filled with nonlinear isotropic non-magnetic medium; here E, H are electric and magnetic fields, ω is the circular frequency. The waveguide is sandwiched between two half-spaces filled with isotropic non-magnetic homogeneous media with constant permittivities. The waveguide’s permittivity is a monotonically increasing unbounded function with respect to |E|2; such a function describes a lot of important nonlinearities like Kerr law, polynomial and power nonlinearities. The main problem is to determine propagation constants (PCs) of the TM guided waves. For the first time, the dispersion equation and results of its solvability are presented for an arbitrary nonlinearity. In particular, it is shown that in contrast to the linear problem in the nonlinear problem there exists an infinite number of PCs. It is also shown that only a finite number of these PCs have linear counterparts.
{"title":"Nonlinear Transverse Magnetic Wave Propagation in a Layer Revisited","authors":"D. Valovik","doi":"10.1109/PIERS-Fall48861.2019.9021367","DOIUrl":"https://doi.org/10.1109/PIERS-Fall48861.2019.9021367","url":null,"abstract":"The paper focused on the problem of propagation of a monochromatic transverse magnetic (TM) wave (E, H)e−iωt in a plane dielectric waveguide filled with nonlinear isotropic non-magnetic medium; here E, H are electric and magnetic fields, ω is the circular frequency. The waveguide is sandwiched between two half-spaces filled with isotropic non-magnetic homogeneous media with constant permittivities. The waveguide’s permittivity is a monotonically increasing unbounded function with respect to |E|2; such a function describes a lot of important nonlinearities like Kerr law, polynomial and power nonlinearities. The main problem is to determine propagation constants (PCs) of the TM guided waves. For the first time, the dispersion equation and results of its solvability are presented for an arbitrary nonlinearity. In particular, it is shown that in contrast to the linear problem in the nonlinear problem there exists an infinite number of PCs. It is also shown that only a finite number of these PCs have linear counterparts.","PeriodicalId":197451,"journal":{"name":"2019 Photonics & Electromagnetics Research Symposium - Fall (PIERS - Fall)","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2019-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"133507653","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}
京公网安备 11010802042870号
京ICP备2023020795号-1
扫码关注我们
求助内容：
应助结果提醒方式：