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2019 IEEE MTT-S International Microwave Workshop Series on Advanced Materials and Processes for RF and THz Applications (IMWS-AMP)最新文献

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A Wearable, Low-Profile, Fractal Monopole Antenna Integrated with a Reflector for Enhancing Antenna Performance and SAR Reduction 一种可穿戴、低轮廓、分形单极天线与反射器集成，以提高天线性能和降低SAR
2019 IEEE MTT-S International Microwave Workshop Series on Advanced Materials and Processes for RF and THz Applications (IMWS-AMP) Pub Date : 2019-07-01 DOI: 10.1109/IMWS-AMP.2019.8880142
N. Atanasov, G. Atanasova, Aleksey Stefanov, Ivan Nedialkov
{"title":"A Wearable, Low-Profile, Fractal Monopole Antenna Integrated with a Reflector for Enhancing Antenna Performance and SAR Reduction","authors":"N. Atanasov, G. Atanasova, Aleksey Stefanov, Ivan Nedialkov","doi":"10.1109/IMWS-AMP.2019.8880142","DOIUrl":"https://doi.org/10.1109/IMWS-AMP.2019.8880142","url":null,"abstract":"In this paper, we propose and experimentally realize a low-profile, lightweight, flexible, fully textile, fractalbased monopole antenna integrated with a reflector for enhancing antenna performance and specific absorption rate (SAR) reduction in the human body. The proposed antenna shows a simulated bandwidth of 130 MHz (from 2.37 to 2.50 GHz) in the free space (FS) and 128 MHz (from 2.36 to 2.49 GHz) when it is mounted directly on a flat homogeneous phantom, which cover the targeted Industrial, Scientific, and Medical (ISM) band. High radiation efficiency (greater than 74 % in the FS and greater than 70% on a phantom in the ISM band), is combined with a low maximum 10 g averaged SAR of 0.0971 W/kg at net input power 0.1 W, so the proposed antenna can be a good candidate for use in the wearable devices.","PeriodicalId":109953,"journal":{"name":"2019 IEEE MTT-S International Microwave Workshop Series on Advanced Materials and Processes for RF and THz Applications (IMWS-AMP)","volume":"35 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"129539939","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}
引用次数: 11
Setup for Characterization of the Non-Linear Electric Susceptibility in the Microwave Range Applied to a Glass Ceramic 应用于玻璃陶瓷的微波范围非线性电磁化率表征装置
2019 IEEE MTT-S International Microwave Workshop Series on Advanced Materials and Processes for RF and THz Applications (IMWS-AMP) Pub Date : 2019-07-01 DOI: 10.1109/IMWS-AMP.2019.8880095
F. Bergmann, M. Letz, H. Maune, G. Jakob
{"title":"Setup for Characterization of the Non-Linear Electric Susceptibility in the Microwave Range Applied to a Glass Ceramic","authors":"F. Bergmann, M. Letz, H. Maune, G. Jakob","doi":"10.1109/IMWS-AMP.2019.8880095","DOIUrl":"https://doi.org/10.1109/IMWS-AMP.2019.8880095","url":null,"abstract":"A resonator method exciting eigenresonances of three coupled cylindrical dielectric resonators allows characterizing the non-linear response of low loss and high permittivity materials at frequencies of about 1 GHz. To reach the necessary sensitivity for dielectric non-linearities, the setup ensures that the measured intermodulation can be ascribed to the material under test while all other intermodulation sources are excluded. Electric field amplitudes of several V/mm are obtained at an input power of 100 W. The setup was used to characterize the third order non-linear susceptibility of a glass ceramic.","PeriodicalId":109953,"journal":{"name":"2019 IEEE MTT-S International Microwave Workshop Series on Advanced Materials and Processes for RF and THz Applications (IMWS-AMP)","volume":"79 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116150349","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}
引用次数: 0
IMWS-AMP 2019 Author Index IMWS-AMP 2019作者索引
2019 IEEE MTT-S International Microwave Workshop Series on Advanced Materials and Processes for RF and THz Applications (IMWS-AMP) Pub Date : 2019-07-01 DOI: 10.1109/imws-amp.2019.8880084
{"title":"IMWS-AMP 2019 Author Index","authors":"","doi":"10.1109/imws-amp.2019.8880084","DOIUrl":"https://doi.org/10.1109/imws-amp.2019.8880084","url":null,"abstract":"","PeriodicalId":109953,"journal":{"name":"2019 IEEE MTT-S International Microwave Workshop Series on Advanced Materials and Processes for RF and THz Applications (IMWS-AMP)","volume":"44 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"123160643","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}
引用次数: 0
Additive Manufacturing of 300 GHz Corrugated Horn Antennas 300ghz波纹喇叭天线的增材制造
2019 IEEE MTT-S International Microwave Workshop Series on Advanced Materials and Processes for RF and THz Applications (IMWS-AMP) Pub Date : 2019-07-01 DOI: 10.1109/IMWS-AMP.2019.8880123
A. Reinhardt, Marvin Möbius-Labinski, Christopher Asmus, A. Bauereiß, M. Höft
{"title":"Additive Manufacturing of 300 GHz Corrugated Horn Antennas","authors":"A. Reinhardt, Marvin Möbius-Labinski, Christopher Asmus, A. Bauereiß, M. Höft","doi":"10.1109/IMWS-AMP.2019.8880123","DOIUrl":"https://doi.org/10.1109/IMWS-AMP.2019.8880123","url":null,"abstract":"A metallic 3D-printed J-band corrugated horn antenna is presented. The horn antenna is designed in a simulative approach to meet specific requirements regarding symmetrical radiation, high gain, strong side lobe attenuation, good matching and a focused main lobe in the range of 8° - 10°. Due to material limitations in the manufacturing process, the antenna material’s conductivity is improved by electroplating a thin layer of gold. Finally, measurement results of the power transmission and the near and far field are provided to validate the specifications of the manufactured horn antennas, demonstrating that the design goals are met.","PeriodicalId":109953,"journal":{"name":"2019 IEEE MTT-S International Microwave Workshop Series on Advanced Materials and Processes for RF and THz Applications (IMWS-AMP)","volume":"9 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"121108594","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}
引用次数: 9
Experimental Investigation of Terahertz Wave Scattering by Statistically Controlled Rough Surfaces 统计控制粗糙表面对太赫兹波散射的实验研究
2019 IEEE MTT-S International Microwave Workshop Series on Advanced Materials and Processes for RF and THz Applications (IMWS-AMP) Pub Date : 2019-07-01 DOI: 10.1109/IMWS-AMP.2019.8880134
Mai Alissa, B. Friederich, K. Kolpatzeck, A. Czylwik, T. Kaiser
{"title":"Experimental Investigation of Terahertz Wave Scattering by Statistically Controlled Rough Surfaces","authors":"Mai Alissa, B. Friederich, K. Kolpatzeck, A. Czylwik, T. Kaiser","doi":"10.1109/IMWS-AMP.2019.8880134","DOIUrl":"https://doi.org/10.1109/IMWS-AMP.2019.8880134","url":null,"abstract":"In this work, the experimental investigation of electromagnetic wave scattering by statistically controlled rough surfaces in the lower THz band is demonstrated. Rough surfaces with height fluctuations following normal statistics are fabricated using two different 3D printing techniques. The results presented here confirm that the surface roughness has a noticeable effect on the level of the diffuse scattering energy. In the future, the applied method can be used to validate analytical models as well as to gain scattering patterns from more complicated rough surface structures which fall outside the limits of most analytical approximations.","PeriodicalId":109953,"journal":{"name":"2019 IEEE MTT-S International Microwave Workshop Series on Advanced Materials and Processes for RF and THz Applications (IMWS-AMP)","volume":"100 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"121576792","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}
引用次数: 1
Indoor Material Properties Extraction from Scattering Parameters at Frequencies from 750 GHz to 1.1 THz 750 GHz ~ 1.1 THz散射参数的室内材料特性提取
2019 IEEE MTT-S International Microwave Workshop Series on Advanced Materials and Processes for RF and THz Applications (IMWS-AMP) Pub Date : 2019-05-18 DOI: 10.1109/IMWS-AMP.2019.8880096
F. Sheikh, I. Mabrouk, A. Alomainy, Q. Abbasi, T. Kaiser
{"title":"Indoor Material Properties Extraction from Scattering Parameters at Frequencies from 750 GHz to 1.1 THz","authors":"F. Sheikh, I. Mabrouk, A. Alomainy, Q. Abbasi, T. Kaiser","doi":"10.1109/IMWS-AMP.2019.8880096","DOIUrl":"https://doi.org/10.1109/IMWS-AMP.2019.8880096","url":null,"abstract":"This paper reports the first ever transmission measurements for a wide choice of different indoor materials such as wood, plastic, paper, brick, glassand leatherat frequencies from 750 GHz to 1.1 THz using up-conversion (frequency-domain) method employing Swissto12system. This commercially available system consists of three parts, namely, vector network analyzer (VNA), the material characterization kit (MCK), and two waveguide extenders which measure the S -parameters in the frequency range of interest to derive the complex dielectric properties of material samples using stepwise Nicolson-Ross-Weir (NRW) method. These frequency dependent material parameters such as permittivity, refractive index and absorption coefficient are mandatory to analyze and model the wave propagation thoroughly for the aforementioned unexplored frequencies along with the ability to classify and localize these different materials precisely. Until previously, only THz time-domain spectroscopy (THz TDS) system based on down-conversion (time-domain) method is employed to measure the spectroscopic responses for this cause.","PeriodicalId":109953,"journal":{"name":"2019 IEEE MTT-S International Microwave Workshop Series on Advanced Materials and Processes for RF and THz Applications (IMWS-AMP)","volume":"46 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-05-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"115850418","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}
引用次数: 3
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