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2015 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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Reflectionless lossy metasurface for full control of electromagnetic wave transmission 无反射损耗超表面，完全控制电磁波传输
2015 IEEE MTT-S International Microwave Workshop Series on Advanced Materials and Processes for RF and THz Applications (IMWS-AMP) Pub Date : 2015-07-01 DOI: 10.1109/IMWS-AMP.2015.7325036
Bo O. Zhu
{"title":"Reflectionless lossy metasurface for full control of electromagnetic wave transmission","authors":"Bo O. Zhu","doi":"10.1109/IMWS-AMP.2015.7325036","DOIUrl":"https://doi.org/10.1109/IMWS-AMP.2015.7325036","url":null,"abstract":"The metasurface is a two dimensional array of subwave-length scatters [1]. It can be characterized by the surface impedance. Inspired by the equivalent principle, surface magnetic impedance is introduced into the metasurface to generate effective surface magnetic current under excitation [2]. It is proved that when the surface electric and magnetic impedance are passive and lossless, the transmission magnitude and phase can be tuned independently and fully [3].","PeriodicalId":6625,"journal":{"name":"2015 IEEE MTT-S International Microwave Workshop Series on Advanced Materials and Processes for RF and THz Applications (IMWS-AMP)","volume":"205 1","pages":"1-1"},"PeriodicalIF":0.0,"publicationDate":"2015-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"78047862","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
Microwave dielectric properties of 5Li2O-(Nb1−xMx)2O5-5TiO2 (M=Mo, W, 0 5Li2O-(Nb1−xMx)2O5-5TiO2 (M=Mo, W, 0<x<0.2)陶瓷的微波介电性能
2015 IEEE MTT-S International Microwave Workshop Series on Advanced Materials and Processes for RF and THz Applications (IMWS-AMP) Pub Date : 2015-07-01 DOI: 10.1109/IMWS-AMP.2015.7325053
Ying Wu, Zhifu Liu, Yongxiang Li
{"title":"Microwave dielectric properties of 5Li2O-(Nb1−xMx)2O5-5TiO2 (M=Mo, W, 0<x<0.2) ceramics","authors":"Ying Wu, Zhifu Liu, Yongxiang Li","doi":"10.1109/IMWS-AMP.2015.7325053","DOIUrl":"https://doi.org/10.1109/IMWS-AMP.2015.7325053","url":null,"abstract":"5Li<sub>2</sub>O-(Nb<sub>1-x</sub>M<sub>x</sub>)<sub>2</sub>O<sub>5</sub>-5TiO<sub>2</sub> (M=Mo, W, 0<;x<;0.2) ceramics were prepared via solid state method. The phase composition and microwave dielectric properties were studied. There is no Mo-related phase observed even 20 mol% Mo is doped. However, the Li<sub>2</sub>WO<sub>4</sub> is clearly detected from XRD results for 5Li<sub>2</sub>O-(Nb<sub>1-x</sub>W<sub>x</sub>)<sub>2</sub>O<sub>5</sub>-5TiO<sub>2</sub> (x>0.05). Both Mo and W can lower the sintering temperature. The doped ceramics can be sintered at 1000°C which is 100°C lower than the sintering temperature of pure 5Li<sub>2</sub>O-(Nb<sub>1-x</sub>M<sub>x</sub>)<sub>2</sub>O<sub>5</sub>-5TiO<sub>2</sub> ceramic. The relative permittivity and Q×f value decrease gradually with increasing doping. And best microwave dielectric properties with a relative permittivity of 29 and a quality factor (Q×f) ~7,000 GHz (at 6.5 GHz) is achieved when 5Li<sub>2</sub>O-(Nb<sub>0.95</sub>Mo<sub>0.05</sub>)<sub>2</sub>O<sub>5</sub>-5TiO<sub>2</sub> is sintered at 1000°C/2h.","PeriodicalId":6625,"journal":{"name":"2015 IEEE MTT-S International Microwave Workshop Series on Advanced Materials and Processes for RF and THz Applications (IMWS-AMP)","volume":"24 1","pages":"1-3"},"PeriodicalIF":0.0,"publicationDate":"2015-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"78196343","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
Graphene-silicon diode loaded patch antenna 石墨烯硅二极管负载贴片天线
2015 IEEE MTT-S International Microwave Workshop Series on Advanced Materials and Processes for RF and THz Applications (IMWS-AMP) Pub Date : 2015-07-01 DOI: 10.1109/IMWS-AMP.2015.7324934
D. Yi, X. Wei, Y. Xu, N. Meng, E. Li
{"title":"Graphene-silicon diode loaded patch antenna","authors":"D. Yi, X. Wei, Y. Xu, N. Meng, E. Li","doi":"10.1109/IMWS-AMP.2015.7324934","DOIUrl":"https://doi.org/10.1109/IMWS-AMP.2015.7324934","url":null,"abstract":"In this paper, we proposed a graphene-silicon diode loaded patch antenna, which is fabricated on silicon wafer. The structure of patch antenna is perfectly compatible with the diode process. Its equivalent circuit and frequency-tunable characteristics are analyzed with an equivalent circuit model. The result is verified by 3-D full-wave simulation. This patch antenna, which is directly printed on silicon wafer, finds a potential application of graphene in GHz frequency band and can be easily integrated with other integrated circuits.","PeriodicalId":6625,"journal":{"name":"2015 IEEE MTT-S International Microwave Workshop Series on Advanced Materials and Processes for RF and THz Applications (IMWS-AMP)","volume":"25 1","pages":"1-3"},"PeriodicalIF":0.0,"publicationDate":"2015-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"74546169","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: 4
A novel symmetric weighted thinned array with pattern reconfigurable antenna to achieve wide-angle scanning with low side lobe level 一种新型的带方向图可重构天线的对称加权薄阵列，实现了低旁瓣电平的广角扫描
2015 IEEE MTT-S International Microwave Workshop Series on Advanced Materials and Processes for RF and THz Applications (IMWS-AMP) Pub Date : 2015-07-01 DOI: 10.1109/IMWS-AMP.2015.7324971
Xing Fan, S. Xiao, Yilong Wang
{"title":"A novel symmetric weighted thinned array with pattern reconfigurable antenna to achieve wide-angle scanning with low side lobe level","authors":"Xing Fan, S. Xiao, Yilong Wang","doi":"10.1109/IMWS-AMP.2015.7324971","DOIUrl":"https://doi.org/10.1109/IMWS-AMP.2015.7324971","url":null,"abstract":"In this paper, a novel symmetric weighted thinned array with pattern reconfigurable antenna is proposed to achieve wide-angle scanning performance. By properly selecting the weighted function, excitation and states of each element, the array can scan its main beam form -77° to +77° with respect to broadside with side lobe level (SLL) almost -10dB below the maximum when scanning to the wide angle. And the 3dB beam width coverage is almost from -98° to +97° in H-plane.","PeriodicalId":6625,"journal":{"name":"2015 IEEE MTT-S International Microwave Workshop Series on Advanced Materials and Processes for RF and THz Applications (IMWS-AMP)","volume":"37 1","pages":"1-4"},"PeriodicalIF":0.0,"publicationDate":"2015-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"74748235","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
Low- loss Y-junction two-dimensional magneto-photonic crystals circulator using a ferrite cylinder 使用铁氧体圆柱体的低损耗y结二维磁光子晶体环行器
2015 IEEE MTT-S International Microwave Workshop Series on Advanced Materials and Processes for RF and THz Applications (IMWS-AMP) Pub Date : 2015-07-01 DOI: 10.1109/IMWS-AMP.2015.7324911
Dengguo Zhang, Yong Wang, Tan Huang, Z. Ouyang
{"title":"Low- loss Y-junction two-dimensional magneto-photonic crystals circulator using a ferrite cylinder","authors":"Dengguo Zhang, Yong Wang, Tan Huang, Z. Ouyang","doi":"10.1109/IMWS-AMP.2015.7324911","DOIUrl":"https://doi.org/10.1109/IMWS-AMP.2015.7324911","url":null,"abstract":"A new defect structure of two-dimensional magnetic-photonic crystal is given and a new three-port Y-junction circulator using a ferrite cylinder is proposed in this paper. The results show that there is a significant improvement for insertion loss and isolation compared with those in literatures.","PeriodicalId":6625,"journal":{"name":"2015 IEEE MTT-S International Microwave Workshop Series on Advanced Materials and Processes for RF and THz Applications (IMWS-AMP)","volume":"12 1","pages":"1-3"},"PeriodicalIF":0.0,"publicationDate":"2015-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"73012587","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: 6
A novel beam shaped microstrip patch antenna by metamaterial units 基于超材料单元的新型波束微带贴片天线
2015 IEEE MTT-S International Microwave Workshop Series on Advanced Materials and Processes for RF and THz Applications (IMWS-AMP) Pub Date : 2015-07-01 DOI: 10.1109/IMWS-AMP.2015.7325001
Hangying Yuan, S. Qu, Jie-qiu Zhang, Jiafu Wang, Yongfeng Li, Hang Zhou, Y. Pang
{"title":"A novel beam shaped microstrip patch antenna by metamaterial units","authors":"Hangying Yuan, S. Qu, Jie-qiu Zhang, Jiafu Wang, Yongfeng Li, Hang Zhou, Y. Pang","doi":"10.1109/IMWS-AMP.2015.7325001","DOIUrl":"https://doi.org/10.1109/IMWS-AMP.2015.7325001","url":null,"abstract":"In this letter, we present a new beam shaped microstrip patch antenna(MPA) by matematerial units. Due to the effective phase gradient provided by matematerial units, the beamwidth broadens and the beam symmetrically expands. To demonstrate this method, we designed a microstrip patch antenna with matematerial units etched on the substrate. An experiment was carried out to verify our design method. The measured results show that the beamwidth expands at a certain extent. This design method is not limit to microstrip patch antennas and can also be extended to other types of antennas to manipulate beamwidth.","PeriodicalId":6625,"journal":{"name":"2015 IEEE MTT-S International Microwave Workshop Series on Advanced Materials and Processes for RF and THz Applications (IMWS-AMP)","volume":"14 1","pages":"1-3"},"PeriodicalIF":0.0,"publicationDate":"2015-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"73937775","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 on the transmission phase response of the E-IT and M-IT meta-structures E-IT和M-IT元结构的传输相位响应分析
2015 IEEE MTT-S International Microwave Workshop Series on Advanced Materials and Processes for RF and THz Applications (IMWS-AMP) Pub Date : 2015-07-01 DOI: 10.1109/IMWS-AMP.2015.7325050
X. Lin, Chong Guo
{"title":"Analysis on the transmission phase response of the E-IT and M-IT meta-structures","authors":"X. Lin, Chong Guo","doi":"10.1109/IMWS-AMP.2015.7325050","DOIUrl":"https://doi.org/10.1109/IMWS-AMP.2015.7325050","url":null,"abstract":"The transmission phase response of the electrically induced transparency (E-IT) structure and magnetically induced transparency (M-IT) structure in free space are analyzed in this paper, respectively. Both E-IT and M-IT meta-structures have the maximum phase self-changing about 50° at a fixed frequency. Interestingly, there is a 180 ° phase-jump in M-IT meta-structure which leads to a total phase change about 180° at any fixed frequency. The relative transmission amplitudes are within -1 dB. Such meta-structures are very useful for special electromagnetic wave tuning.","PeriodicalId":6625,"journal":{"name":"2015 IEEE MTT-S International Microwave Workshop Series on Advanced Materials and Processes for RF and THz Applications (IMWS-AMP)","volume":"16 1","pages":"1-3"},"PeriodicalIF":0.0,"publicationDate":"2015-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"81769983","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
Lowpass filter with sharp roll-off and wide stopband using LTCC technology 采用LTCC技术的低通滤波器具有尖锐滚降和宽阻带
2015 IEEE MTT-S International Microwave Workshop Series on Advanced Materials and Processes for RF and THz Applications (IMWS-AMP) Pub Date : 2015-07-01 DOI: 10.1109/IMWS-AMP.2015.7325054
C. X. Zhou, Y. X. Guo, W. Wu
{"title":"Lowpass filter with sharp roll-off and wide stopband using LTCC technology","authors":"C. X. Zhou, Y. X. Guo, W. Wu","doi":"10.1109/IMWS-AMP.2015.7325054","DOIUrl":"https://doi.org/10.1109/IMWS-AMP.2015.7325054","url":null,"abstract":"A compact lowpass filter (LPF) with both sharp roll-off and wide stopband is presented in this paper. The proposed LPF is realized by cascading modified hairpin unit consisting of one U-shape stripline and one pair of offset-coupled striplines with multilayer low-temperature co-fired ceramic (LTCC) technology. By controlling the relatively positions vertically and horizontally of the offset-coupled striplines, we can get the tunable even-mode and odd-mode impedances of coupled lines in wide range. Measured results indicate that the designed filter has an ultra-wide stopband rejection better than 10 dB up to 20 GHz and a sharp roll-off of 81 dB/GHz. Furthermore, the size of the filter is only 4.54 × 3.37 mm2.","PeriodicalId":6625,"journal":{"name":"2015 IEEE MTT-S International Microwave Workshop Series on Advanced Materials and Processes for RF and THz Applications (IMWS-AMP)","volume":"53 1","pages":"1-3"},"PeriodicalIF":0.0,"publicationDate":"2015-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"82212426","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
Ultraviolet beam focusing by surface plasmon polaritons in gallium arsenide with a groove array structure 槽阵列结构砷化镓表面等离子激元聚焦紫外光束
2015 IEEE MTT-S International Microwave Workshop Series on Advanced Materials and Processes for RF and THz Applications (IMWS-AMP) Pub Date : 2015-07-01 DOI: 10.1109/IMWS-AMP.2015.7324945
Senfeng Lai, Wen Wu, Wenhua Gu
{"title":"Ultraviolet beam focusing by surface plasmon polaritons in gallium arsenide with a groove array structure","authors":"Senfeng Lai, Wen Wu, Wenhua Gu","doi":"10.1109/IMWS-AMP.2015.7324945","DOIUrl":"https://doi.org/10.1109/IMWS-AMP.2015.7324945","url":null,"abstract":"Surface plasmon polariton (SPP) effect has been a hot research topic for years, and beam focusing is one of its most prosperous applications. So far researchers mainly focused on the visible light waveband and traditional plasmonic materials such as silver. This article studies the possibility of SPP excitation in deep ultraviolet band, using gallium arsenide (GaAs) as the plasmonic material. Both theoretical calculation and computer simulation results show that GaAs has strong SPP effect in ultraviolet band, and its electromagnetic field enhancement can be higher than that of silver.","PeriodicalId":6625,"journal":{"name":"2015 IEEE MTT-S International Microwave Workshop Series on Advanced Materials and Processes for RF and THz Applications (IMWS-AMP)","volume":"60 1","pages":"1-3"},"PeriodicalIF":0.0,"publicationDate":"2015-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"80530263","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
Wideband slotline-ring-resonator bandpass filters under triple resonances 三共振下宽带槽线环谐振器带通滤波器
2015 IEEE MTT-S International Microwave Workshop Series on Advanced Materials and Processes for RF and THz Applications (IMWS-AMP) Pub Date : 2015-07-01 DOI: 10.1109/IMWS-AMP.2015.7325029
Wei Zhu, Dong Chen, H. Bu, Lei Zhu, Chonghu Cheng
{"title":"Wideband slotline-ring-resonator bandpass filters under triple resonances","authors":"Wei Zhu, Dong Chen, H. Bu, Lei Zhu, Chonghu Cheng","doi":"10.1109/IMWS-AMP.2015.7325029","DOIUrl":"https://doi.org/10.1109/IMWS-AMP.2015.7325029","url":null,"abstract":"A novel wideband bandpass filter using back-to-back microstrip-slotline transition and triple-mode slotline resonator is proposed. The triple-mode resonator is constructed with one full-wavelength slotline ring and a single short-circuited stub. Two microstrip feed lines are placed above the slotline in such a way that two intersection positions are placed at the 54° separation along the ring. With a proper choice of the length of stub, the first three resonances can be quasi-equally located to construct a wide passband. To verify the design concept, a filter prototype is finally designed, fabricated and measured. The predicted results are well confirmed in experiment.","PeriodicalId":6625,"journal":{"name":"2015 IEEE MTT-S International Microwave Workshop Series on Advanced Materials and Processes for RF and THz Applications (IMWS-AMP)","volume":"88 1","pages":"1-3"},"PeriodicalIF":0.0,"publicationDate":"2015-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"80781612","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
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