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Design and Fabrication of PTFE Substrate-Integrated Waveguide Butler Matrix for Short Millimeter Waves 短毫米波用聚四氟乙烯基板集成波导巴特勒矩阵的设计与制造
IEICE Trans. Electron. Pub Date : 2023-01-01 DOI: 10.1587/transele.2022ecs6003
M. Kishihara, Kaito Fujitani, A. Yamaguchi, Y. Utsumi, I. Ohta
{"title":"Design and Fabrication of PTFE Substrate-Integrated Waveguide Butler Matrix for Short Millimeter Waves","authors":"M. Kishihara, Kaito Fujitani, A. Yamaguchi, Y. Utsumi, I. Ohta","doi":"10.1587/transele.2022ecs6003","DOIUrl":"https://doi.org/10.1587/transele.2022ecs6003","url":null,"abstract":"SUMMARY We attempt to design and fabricate of a 4 × 4 Butler matrix for short-millimeter-wave frequencies by using the microfabrication process for a polytetrafluoroethylene (PTFE) substrate-integrated waveguide (SIW) by the synchrotron radiation (SR) direct etching of PTFE and the addition of a metal film by sputter deposition. First, the dimensions of the PTFE SIW using rectangular through-holes for G-band (140-220 GHz) operation are determined, and a cruciform 90 ◦ hybrid coupler and an inter-section circuit are connected by the PTFE SIW to design the Butler matrix. Then, a trial fabrication is performed. Finally, the validity of the design result and the fabrication process is verified by measuring the radiation pattern. key words: microstructure, X-ray lithography, dielectric loaded waveguides","PeriodicalId":13259,"journal":{"name":"IEICE Trans. Electron.","volume":"64 1","pages":"111-115"},"PeriodicalIF":0.0,"publicationDate":"2023-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"78864763","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
Photochemical Stability of Organic Electro-Optic Polymer at 1310-nm Wavelength 有机电光聚合物在1310nm波长下的光化学稳定性
IEICE Trans. Electron. Pub Date : 2023-01-01 DOI: 10.1587/transele.2022oms0012
Y. Tominari, Toshiki Yamada, T. Kaji, A. Otomo
{"title":"Photochemical Stability of Organic Electro-Optic Polymer at 1310-nm Wavelength","authors":"Y. Tominari, Toshiki Yamada, T. Kaji, A. Otomo","doi":"10.1587/transele.2022oms0012","DOIUrl":"https://doi.org/10.1587/transele.2022oms0012","url":null,"abstract":"SUMMARY We investigated the photochemical stability of an electro-optic (EO) polymer under laser irradiation at 1310 nm to reveal photodegradation mechanisms. It was found that one-photon absorption excitation assisted with the thermal energy at the temperature is involved in the photodegradation process, in contrast to our previous studies at a wavelength of 1550 nm where two-photon absorption excitation is involved in the photodegradation process. Thus, both the excitation wavelength and the thermal energy strongly affect to the degradation mechanism. In any cases, the photodegradation of EO polymers is mainly related to the generation of exited singlet oxygen.","PeriodicalId":13259,"journal":{"name":"IEICE Trans. Electron.","volume":"1 1","pages":"228-231"},"PeriodicalIF":0.0,"publicationDate":"2023-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"82846526","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
Efficiency Analysis for Inductive Power Transfer Using Segmented Parallel Line Feeder 分段平行馈线感应输电效率分析
IEICE Trans. Electron. Pub Date : 2023-01-01 DOI: 10.1587/transele.2022ecp5013
William-Fabrice Brou, Quang-Thang Duong, M. Okada
{"title":"Efficiency Analysis for Inductive Power Transfer Using Segmented Parallel Line Feeder","authors":"William-Fabrice Brou, Quang-Thang Duong, M. Okada","doi":"10.1587/transele.2022ecp5013","DOIUrl":"https://doi.org/10.1587/transele.2022ecp5013","url":null,"abstract":"SUMMARY Parallel line feeder (PLF) consisting of a two-wire transmission line operating in the MHz band has been proposed as a wide-coverage short-distance wireless charging. In the MHz band, a PLF of several meters su ff ers from standing wave e ff ect, resulting in fluctuation in power transfer e ffi ciency accordingly to the receiver’s position. This paper studies a modified version of the system, where the PLF is divided into individually compensated segments to mitigate the standing wave e ff ect. Modelling the PLF as a lossy transmission line, this paper theoretically shows that if the segments’ lengths are properly determined, it is able to improve and stabilize the e ffi ciency for all positions. Experimental results at 27.12 MHz confirm the theoretical analysis and show that a fairly high e ffi ciency of 70% can be achieved.","PeriodicalId":13259,"journal":{"name":"IEICE Trans. Electron.","volume":"76 1","pages":"165-173"},"PeriodicalIF":0.0,"publicationDate":"2023-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"91030936","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
Study of FIT Dedicated Computer with Dataflow Architecture for High Performance 2-D Magneto-Static Field Simulation 具有数据流结构的FIT专用计算机用于高性能二维静磁场仿真的研究
IEICE Trans. Electron. Pub Date : 2023-01-01 DOI: 10.1587/transele.2022rep0004
Chenxu Wang, H. Kawaguchi, Kota Watanabe
{"title":"Study of FIT Dedicated Computer with Dataflow Architecture for High Performance 2-D Magneto-Static Field Simulation","authors":"Chenxu Wang, H. Kawaguchi, Kota Watanabe","doi":"10.1587/transele.2022rep0004","DOIUrl":"https://doi.org/10.1587/transele.2022rep0004","url":null,"abstract":"","PeriodicalId":13259,"journal":{"name":"IEICE Trans. Electron.","volume":"225 1","pages":"136-143"},"PeriodicalIF":0.0,"publicationDate":"2023-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"83666551","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
Experimental Characterization of Resonant Tunneling Chaos Generator Circuits in Microwave Frequency Range 微波频率范围内谐振隧道混沌产生电路的实验表征
IEICE Trans. Electron. Pub Date : 2023-01-01 DOI: 10.1587/transele.2022ecp5037
Umer Farooq, M. Mori, K. Maezawa
{"title":"Experimental Characterization of Resonant Tunneling Chaos Generator Circuits in Microwave Frequency Range","authors":"Umer Farooq, M. Mori, K. Maezawa","doi":"10.1587/transele.2022ecp5037","DOIUrl":"https://doi.org/10.1587/transele.2022ecp5037","url":null,"abstract":"","PeriodicalId":13259,"journal":{"name":"IEICE Trans. Electron.","volume":"31 1","pages":"174-183"},"PeriodicalIF":0.0,"publicationDate":"2023-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"84650993","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
Design of a Hippocampal Cognitive Prosthesis Chip 海马体认知假体芯片的设计
IEICE Trans. Electron. Pub Date : 2023-01-01 DOI: 10.1587/transele.2022ecp5055
Ming Ni, Yan Han, R. Cheung, Xuemeng Zhou
{"title":"Design of a Hippocampal Cognitive Prosthesis Chip","authors":"Ming Ni, Yan Han, R. Cheung, Xuemeng Zhou","doi":"10.1587/transele.2022ecp5055","DOIUrl":"https://doi.org/10.1587/transele.2022ecp5055","url":null,"abstract":"","PeriodicalId":13259,"journal":{"name":"IEICE Trans. Electron.","volume":"16 1","pages":"417-426"},"PeriodicalIF":0.0,"publicationDate":"2023-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"81716945","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
Basic Study of Micro-Pumps for Medication Driven by Chemical Reactions 化学反应驱动药物微泵的基础研究
IEICE Trans. Electron. Pub Date : 2023-01-01 DOI: 10.1587/transele.2022oms0007
M. Ikeda, S. Imai
{"title":"Basic Study of Micro-Pumps for Medication Driven by Chemical Reactions","authors":"M. Ikeda, S. Imai","doi":"10.1587/transele.2022oms0007","DOIUrl":"https://doi.org/10.1587/transele.2022oms0007","url":null,"abstract":"","PeriodicalId":13259,"journal":{"name":"IEICE Trans. Electron.","volume":"27 1","pages":"253-257"},"PeriodicalIF":0.0,"publicationDate":"2023-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"75792962","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
Analysis of Optical Resonator Constructed by Two-Dimensional MDM Plasmonic Waveguide 二维MDM等离子体波导结构的光谐振腔分析
IEICE Trans. Electron. Pub Date : 2023-01-01 DOI: 10.1587/transele.2022ecs6004
Y. Naka, M. Nishimoto, Mitsuhiro Yokota
{"title":"Analysis of Optical Resonator Constructed by Two-Dimensional MDM Plasmonic Waveguide","authors":"Y. Naka, M. Nishimoto, Mitsuhiro Yokota","doi":"10.1587/transele.2022ecs6004","DOIUrl":"https://doi.org/10.1587/transele.2022ecs6004","url":null,"abstract":"","PeriodicalId":13259,"journal":{"name":"IEICE Trans. Electron.","volume":"95 1","pages":"103-106"},"PeriodicalIF":0.0,"publicationDate":"2023-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"80664010","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
An Interpretation Method on Amplitude Intensities for Response Waveforms of Backward Transient Scattered Field Components by a 2-D Coated Metal Cylinder 二维涂层金属圆柱体后向瞬态散射场分量响应波形振幅强度的解释方法
IEICE Trans. Electron. Pub Date : 2023-01-01 DOI: 10.1587/transele.2022rep0001
K. Goto, T. Kawano
{"title":"An Interpretation Method on Amplitude Intensities for Response Waveforms of Backward Transient Scattered Field Components by a 2-D Coated Metal Cylinder","authors":"K. Goto, T. Kawano","doi":"10.1587/transele.2022rep0001","DOIUrl":"https://doi.org/10.1587/transele.2022rep0001","url":null,"abstract":"","PeriodicalId":13259,"journal":{"name":"IEICE Trans. Electron.","volume":"111 1","pages":"118-126"},"PeriodicalIF":0.0,"publicationDate":"2023-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"86017329","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
Bending Loss Analysis of Chalcogenide Glass Channel Waveguides for Mid-Infrared Astrophotonic Devices 中红外天体光子器件用硫系玻璃波导的弯曲损耗分析
IEICE Trans. Electron. Pub Date : 2023-01-01 DOI: 10.1587/transele.2022ecs6002
T. Yasui, J. Sugisaka, K. Hirayama
{"title":"Bending Loss Analysis of Chalcogenide Glass Channel Waveguides for Mid-Infrared Astrophotonic Devices","authors":"T. Yasui, J. Sugisaka, K. Hirayama","doi":"10.1587/transele.2022ecs6002","DOIUrl":"https://doi.org/10.1587/transele.2022ecs6002","url":null,"abstract":"SUMMARY In this study, the bending losses of chalcogenide glass channel optical waveguides consisting of an As 2 Se 3 core and an As 2 S 3 lower cladding layer were numerically evaluated across the astronomical N -band, which is the mid-infrared spectral range between the 8 μ m and 12 μ m wavelengths. The results reveal the design rules for bent waveguides in mid-infrared astrophotonic devices.","PeriodicalId":13259,"journal":{"name":"IEICE Trans. Electron.","volume":"39 1","pages":"107-110"},"PeriodicalIF":0.0,"publicationDate":"2023-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"90259583","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
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