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2018 43rd International Conference on Infrared, Millimeter, and Terahertz Waves (IRMMW-THz)最新文献

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Continuous-Wave Terahertz System with 50 dB Dynamic Range at 1 THz Using a n-i-pn-i-p Superlattice Photomixer and an ErAs: InGaAs Photoconductor Operated at 1550 nm 使用n-i-pn-i-p超晶格Photomixer和工作在1550nm的ErAs: InGaAs光导体，在1thz具有50db动态范围的连续波太赫兹系统
2018 43rd International Conference on Infrared, Millimeter, and Terahertz Waves (IRMMW-THz) Pub Date : 2018-09-01 DOI: 10.1109/IRMMW-THZ.2018.8510172
M. M. Aller, Hong Lu, A. Gossard, S. Preu
{"title":"Continuous-Wave Terahertz System with 50 dB Dynamic Range at 1 THz Using a n-i-pn-i-p Superlattice Photomixer and an ErAs: InGaAs Photoconductor Operated at 1550 nm","authors":"M. M. Aller, Hong Lu, A. Gossard, S. Preu","doi":"10.1109/IRMMW-THZ.2018.8510172","DOIUrl":"https://doi.org/10.1109/IRMMW-THZ.2018.8510172","url":null,"abstract":"We report on a 1550 nm continuous-wave THz system using a n-i-pn-i-p superlattice photomixer source and an ErAs:InGaAs photoconductive receiver with > 50 dB dynamic range at 1 THz at 300 ms integration time.","PeriodicalId":6653,"journal":{"name":"2018 43rd International Conference on Infrared, Millimeter, and Terahertz Waves (IRMMW-THz)","volume":"6 1","pages":"1-2"},"PeriodicalIF":0.0,"publicationDate":"2018-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"78010514","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
Diffractive Focusing Structures for Broadband Application in thz Range 太赫兹波段宽带应用的衍射聚焦结构
2018 43rd International Conference on Infrared, Millimeter, and Terahertz Waves (IRMMW-THz) Pub Date : 2018-09-01 DOI: 10.1109/IRMMW-THZ.2018.8510503
K. Liebert, M. Rachon, J. Bomba, A. Sobczyk, A. Siemion, J. Suszek, M. Sypek
{"title":"Diffractive Focusing Structures for Broadband Application in thz Range","authors":"K. Liebert, M. Rachon, J. Bomba, A. Sobczyk, A. Siemion, J. Suszek, M. Sypek","doi":"10.1109/IRMMW-THZ.2018.8510503","DOIUrl":"https://doi.org/10.1109/IRMMW-THZ.2018.8510503","url":null,"abstract":"Small thickness of diffractive structures results in low absorption and therefore makes them ideal for THz beam shaping. However, diffractive optics suffers from high chromatic aberrations, which can be suppressed by using different designing method like high order kinoforms. In this paper spherical lenses and structures with increased depth of focus, coded as kinoforms of first and second order, are analyzed for chromatic aberration reduction.","PeriodicalId":6653,"journal":{"name":"2018 43rd International Conference on Infrared, Millimeter, and Terahertz Waves (IRMMW-THz)","volume":"56 1","pages":"1-3"},"PeriodicalIF":0.0,"publicationDate":"2018-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"78299793","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
Nanoscale Observation of Real-Space Mid-Infrared Field Distribution in a Stamp-Type Plasmonic Structure 邮票型等离子体结构中红外场分布的纳米尺度观测
2018 43rd International Conference on Infrared, Millimeter, and Terahertz Waves (IRMMW-THz) Pub Date : 2018-09-01 DOI: 10.1109/IRMMW-THZ.2018.8510468
R. Yuasa, T. Okamoto, A. Sasagawa, Y. Kawano
{"title":"Nanoscale Observation of Real-Space Mid-Infrared Field Distribution in a Stamp-Type Plasmonic Structure","authors":"R. Yuasa, T. Okamoto, A. Sasagawa, Y. Kawano","doi":"10.1109/IRMMW-THZ.2018.8510468","DOIUrl":"https://doi.org/10.1109/IRMMW-THZ.2018.8510468","url":null,"abstract":"By utilizing a scattering-type scanning near-field optical microscopy (s-SNOM) in mid-infrared (MIR) band, we observed nanoscale real-space optical field distribution in a Bull's eye (BE) plasmonic structure, which was fabricated through a template-assisted stamp method. Nanoscale near-field images were shown to agree with plasmonic features of electromagnetic simulation results, showing that the fabricated the BE structure works as a plasmonic device. The s-SNOM thus offers a strong tool for gaining nanoscale real-space optical field distribution in plasmonic micro/nanostructures.","PeriodicalId":6653,"journal":{"name":"2018 43rd International Conference on Infrared, Millimeter, and Terahertz Waves (IRMMW-THz)","volume":"305 1","pages":"1-2"},"PeriodicalIF":0.0,"publicationDate":"2018-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"75287222","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
Feedback Effects and Nonlinear Dynamics in Resonant Tunneling Diodes 共振隧道二极管的反馈效应和非线性动力学
2018 43rd International Conference on Infrared, Millimeter, and Terahertz Waves (IRMMW-THz) Pub Date : 2018-09-01 DOI: 10.1109/IRMMW-THZ.2018.8510286
A. K. Dal Bosco, S. Suzuki, M. Asada, H. Minamide
{"title":"Feedback Effects and Nonlinear Dynamics in Resonant Tunneling Diodes","authors":"A. K. Dal Bosco, S. Suzuki, M. Asada, H. Minamide","doi":"10.1109/IRMMW-THZ.2018.8510286","DOIUrl":"https://doi.org/10.1109/IRMMW-THZ.2018.8510286","url":null,"abstract":"We propose an experimental study of the dynamical properties of a resonant tunnelling diode (RTD) emitting THz wave and subjected to electro-optical feedback and modulation. We report that the system unveils a variety of oscillations, for which we propose physical interpretation and draw a comparative confrontation to the case where pure optical feedback is applied to the device. Finally, we consider the progress in fundamental understanding and application aspects of such THz system.","PeriodicalId":6653,"journal":{"name":"2018 43rd International Conference on Infrared, Millimeter, and Terahertz Waves (IRMMW-THz)","volume":"34 1","pages":"1-2"},"PeriodicalIF":0.0,"publicationDate":"2018-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"75422847","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 Compact Integrated 675–693 GHz Polarimeter 紧凑型集成675-693 GHz偏振计
2018 43rd International Conference on Infrared, Millimeter, and Terahertz Waves (IRMMW-THz) Pub Date : 2018-09-01 DOI: 10.1109/IRMMW-THZ.2018.8509960
E. Bryerton, J. Hesler, D. Koller, Yiwei Duan, T. Crowe
{"title":"A Compact Integrated 675–693 GHz Polarimeter","authors":"E. Bryerton, J. Hesler, D. Koller, Yiwei Duan, T. Crowe","doi":"10.1109/IRMMW-THZ.2018.8509960","DOIUrl":"https://doi.org/10.1109/IRMMW-THZ.2018.8509960","url":null,"abstract":"The design of a single-sideband 675–693 GHz integrated polarimeter is presented here. The compact module, measuring 1.5” x 1.5” x 0.75” includes the OMT, RF LNAs, image-reject filters, mixers, IF LNAs, and LO active multiplier chain. Total power dissipation is expected to be approximately 6W. Receiver noise temperature is expected to be approximately 6000K SSB. The polarimeter has been machined and assembled with measurements to be presented at the conference.","PeriodicalId":6653,"journal":{"name":"2018 43rd International Conference on Infrared, Millimeter, and Terahertz Waves (IRMMW-THz)","volume":"38 1","pages":"1-2"},"PeriodicalIF":0.0,"publicationDate":"2018-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"75931559","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: 7
THz Pump-Probe Setup for Experiments in High Magnetic Fields 用于强磁场实验的太赫兹泵浦探针装置
2018 43rd International Conference on Infrared, Millimeter, and Terahertz Waves (IRMMW-THz) Pub Date : 2018-09-01 DOI: 10.1109/IRMMW-THZ.2018.8510413
B. Bernáth, D. Kamcnskyi, B. Redlich, A. F. G. van der Meer, P. C. M. Christianen, H. Engelkamp, J. Maan
{"title":"THz Pump-Probe Setup for Experiments in High Magnetic Fields","authors":"B. Bernáth, D. Kamcnskyi, B. Redlich, A. F. G. van der Meer, P. C. M. Christianen, H. Engelkamp, J. Maan","doi":"10.1109/IRMMW-THZ.2018.8510413","DOIUrl":"https://doi.org/10.1109/IRMMW-THZ.2018.8510413","url":null,"abstract":"The combination of high power, pulsed THz radiation and high magnetic fields is very promising from a scientific perspective. We present the design of a THz single-color pump-probe setup inside a high-field Bitter magnet, using components that are not within the scope of regular quasi-optical THz setups. We use special waveguides and prisms to spatially separate the pump and the probe beams, which allow us to work in a cryogenic environment in a small bore magnet. Our test results show that this pump-probe insert enables studying the fast carrier dynamics in semiconductors using cyclotron resonance.","PeriodicalId":6653,"journal":{"name":"2018 43rd International Conference on Infrared, Millimeter, and Terahertz Waves (IRMMW-THz)","volume":"65 1","pages":"1-2"},"PeriodicalIF":0.0,"publicationDate":"2018-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"74658925","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
Ultrafast Control of Even-Order Harmonic Generation from Solids by an Intense Terahertz Field 强太赫兹场对固体偶次谐波产生的超快控制
2018 43rd International Conference on Infrared, Millimeter, and Terahertz Waves (IRMMW-THz) Pub Date : 2018-09-01 DOI: 10.1109/IRMMW-THZ.2018.8510220
H. Huang, Liwei Song, Nicolas Tancoene-Deiean, N. Klemke, Á. Rubio, F. Kärtner, Oliver D. Miicke
{"title":"Ultrafast Control of Even-Order Harmonic Generation from Solids by an Intense Terahertz Field","authors":"H. Huang, Liwei Song, Nicolas Tancoene-Deiean, N. Klemke, Á. Rubio, F. Kärtner, Oliver D. Miicke","doi":"10.1109/IRMMW-THZ.2018.8510220","DOIUrl":"https://doi.org/10.1109/IRMMW-THZ.2018.8510220","url":null,"abstract":"Nonperturbative even-order harmonics, physically forbidden in centrosymmetric crystals, are observed from both insulator (diamond) and semiconductor (silicon) samples driven by IR pulses, when in addition an intense THz electric field is applied to the solid. The time-resolved study of the high-harmonic spectra with the temporal profile of the THz electric field suggests a transient THz-field-induced symmetry reduction. We also investigate the harmonics' yields depending on the angles of the linear IR and THz polarizations with respect to the crystal axes. This work might pave the way for THz-based symmetry control in solids with important ramifications for petahertz electronics.","PeriodicalId":6653,"journal":{"name":"2018 43rd International Conference on Infrared, Millimeter, and Terahertz Waves (IRMMW-THz)","volume":"38 1","pages":"1-2"},"PeriodicalIF":0.0,"publicationDate":"2018-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"74675963","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
ECRH at W7-X - Concurrent Operation of 10 Gyrotrons W7-X的ECRH - 10个回旋管同时运行
2018 43rd International Conference on Infrared, Millimeter, and Terahertz Waves (IRMMW-THz) Pub Date : 2018-09-01 DOI: 10.1109/IRMMW-THZ.2018.8510214
H. Braune, K. Brunner, H. Laqua, S. Marsen, D. Moseev, F. Noke, F. Purps, N. Schneider, T. Schulz, T. Stange, P. Uhren, F. Wilde
{"title":"ECRH at W7-X - Concurrent Operation of 10 Gyrotrons","authors":"H. Braune, K. Brunner, H. Laqua, S. Marsen, D. Moseev, F. Noke, F. Purps, N. Schneider, T. Schulz, T. Stange, P. Uhren, F. Wilde","doi":"10.1109/IRMMW-THZ.2018.8510214","DOIUrl":"https://doi.org/10.1109/IRMMW-THZ.2018.8510214","url":null,"abstract":"At the stellarator Wendelstein 7-X (W7-X) Electron Cyclotron Resonance Heating (ECRH) is the main heating system for steady-state operation and was the only available heating system during the operation phase OP1.2a in 2017. The ECRH, equipped with 10 operational 140 GHz gyrotrons [1], was used for different tasks at W7-X such as wall conditioning, controlled plasma start-up from the neutral gas up to steady state plasma control and different heating scenarios such as X2-mode and O2-mode heating as well as current drive (ECCD). The achieved plasma parameters with respect to the performance of the ECRH plant will be discussed.","PeriodicalId":6653,"journal":{"name":"2018 43rd International Conference on Infrared, Millimeter, and Terahertz Waves (IRMMW-THz)","volume":"82 1","pages":"1-2"},"PeriodicalIF":0.0,"publicationDate":"2018-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"72904865","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: 2
Detection of Human Tumor Markers with THz Metamaterials 太赫兹超材料检测人类肿瘤标志物
2018 43rd International Conference on Infrared, Millimeter, and Terahertz Waves (IRMMW-THz) Pub Date : 2018-09-01 DOI: 10.1109/IRMMW-THZ.2018.8510052
C. Weisenstein, D. Schaar, M. Schmeck, A. Wigger, Anja Bosserhoff, P. Bolívar
{"title":"Detection of Human Tumor Markers with THz Metamaterials","authors":"C. Weisenstein, D. Schaar, M. Schmeck, A. Wigger, Anja Bosserhoff, P. Bolívar","doi":"10.1109/IRMMW-THZ.2018.8510052","DOIUrl":"https://doi.org/10.1109/IRMMW-THZ.2018.8510052","url":null,"abstract":"THz bioanalytical techniques are already proven as a viable tool for the label-free detection of biomolecules. But still, significant improvement of THz sensing techniques is needed to reach application relevant sensitivity levels. We present the label-free THz sensing of human tumor markers using a highly sensitive metamaterial based THz biosensor. High affinity binding of the specific protein to DNA is utilized for localized functionalization to further enhance the detection sensitivity.","PeriodicalId":6653,"journal":{"name":"2018 43rd International Conference on Infrared, Millimeter, and Terahertz Waves (IRMMW-THz)","volume":"18 1","pages":"1-2"},"PeriodicalIF":0.0,"publicationDate":"2018-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"73028427","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
Design of 0.27-0.37THz Wideband Coaxial Line to Double-ridge Waveguide Window for Traveling-Wave Tube Amplifier 行波管放大器0.27 ~ 0.37 thz宽带同轴双脊波导窗设计
2018 43rd International Conference on Infrared, Millimeter, and Terahertz Waves (IRMMW-THz) Pub Date : 2018-09-01 DOI: 10.1109/IRMMW-THZ.2018.8510357
Gangxiong Wu, H. Yin, Fan Wang, R. Yang, Qian Li, X. Lei, Chong Ding, S. Fang, Xuebing Jiang, Pengcheng Yin, Lingna Yue, Jin Xu, Wenxiang Wang, Zhun Xu, Daxi Ji, Yun Chen, Yanyu Wei
{"title":"Design of 0.27-0.37THz Wideband Coaxial Line to Double-ridge Waveguide Window for Traveling-Wave Tube Amplifier","authors":"Gangxiong Wu, H. Yin, Fan Wang, R. Yang, Qian Li, X. Lei, Chong Ding, S. Fang, Xuebing Jiang, Pengcheng Yin, Lingna Yue, Jin Xu, Wenxiang Wang, Zhun Xu, Daxi Ji, Yun Chen, Yanyu Wei","doi":"10.1109/IRMMW-THZ.2018.8510357","DOIUrl":"https://doi.org/10.1109/IRMMW-THZ.2018.8510357","url":null,"abstract":"A wideband coaxial line to double-ridge waveguide window for broadband high power THz TWT has been studied in this paper, which can cover the 270–370 GHz with a ultra-bandwidth over 0.1 THz. Based on the mode conversion theories and impedance matching techniques, the broadband transition of coaxial line to double ridge waveguide is designed. In addition, the diamond is adopted to design the broadband double ridged waveguide window. The characteristics of the transition are analyzed by using the full-wave analysis software. According to the simulated results, the reflection coefficient is less than −20 dB and the VSWR is less than 1.2 in the 270–370 GHz.","PeriodicalId":6653,"journal":{"name":"2018 43rd International Conference on Infrared, Millimeter, and Terahertz Waves (IRMMW-THz)","volume":"59 1","pages":"1-2"},"PeriodicalIF":0.0,"publicationDate":"2018-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"74284920","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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