发布求助
文献互助 智能选刊 最新文献

2011 International Conference on Infrared, Millimeter, and Terahertz Waves最新文献

筛选
英文 中文
W-band two-dimensional periodic surface lattice for a surface field Cherenkov maser 表面场切伦科夫脉泽的w波段二维周期表面晶格
2011 International Conference on Infrared, Millimeter, and Terahertz Waves Pub Date : 2011-12-15 DOI: 10.1109/IRMMW-THZ.2011.6105074
I. Konoplev, A. Phipps, A. MacLachlan, A. Cross, C. Robertson, A. Young, A. Phelps
{"title":"W-band two-dimensional periodic surface lattice for a surface field Cherenkov maser","authors":"I. Konoplev, A. Phipps, A. MacLachlan, A. Cross, C. Robertson, A. Young, A. Phelps","doi":"10.1109/IRMMW-THZ.2011.6105074","DOIUrl":"https://doi.org/10.1109/IRMMW-THZ.2011.6105074","url":null,"abstract":"The design of an experiment to study a two-dimensional (2D) cylindrical lattice is presented. We illustrate the mode transformations inside the set-up and discuss planned experiments with the lattice. Investigations of a W-band periodic surface lattice are reported. This lattice is intended for use in a novel W-band surface field Cherenkov maser.","PeriodicalId":6353,"journal":{"name":"2011 International Conference on Infrared, Millimeter, and Terahertz Waves","volume":"14 1","pages":"1-2"},"PeriodicalIF":0.0,"publicationDate":"2011-12-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"91204133","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
Investigation of overmoded waveguide mode converter for quasi-optical W-band sheet beam Klystron 准光学w波段片束速调管超模波导模式转换器的研究
2011 International Conference on Infrared, Millimeter, and Terahertz Waves Pub Date : 2011-12-15 DOI: 10.1109/IRMMW-THZ.2011.6104798
John Yan, L. Barnett, C. Domier, N. Luhmann
{"title":"Investigation of overmoded waveguide mode converter for quasi-optical W-band sheet beam Klystron","authors":"John Yan, L. Barnett, C. Domier, N. Luhmann","doi":"10.1109/IRMMW-THZ.2011.6104798","DOIUrl":"https://doi.org/10.1109/IRMMW-THZ.2011.6104798","url":null,"abstract":"Overmoded waveguide rectangular-to-circular mode converters are investigated for quasi-optical high power electron device applications. Excellent mode purity is predicted along with good radiation pattern at the output of the antenna.","PeriodicalId":6353,"journal":{"name":"2011 International Conference on Infrared, Millimeter, and Terahertz Waves","volume":"81 1","pages":"1-3"},"PeriodicalIF":0.0,"publicationDate":"2011-12-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"73151033","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
Ghost modes in Terahertz Quantum Cascade Laser waveguides 太赫兹量子级联激光波导中的鬼影模式
2011 International Conference on Infrared, Millimeter, and Terahertz Waves Pub Date : 2011-12-15 DOI: 10.1109/IRMMW-THZ.2011.6104778
H. Tanvir, B. Rahman, K. Grattan
{"title":"Ghost modes in Terahertz Quantum Cascade Laser waveguides","authors":"H. Tanvir, B. Rahman, K. Grattan","doi":"10.1109/IRMMW-THZ.2011.6104778","DOIUrl":"https://doi.org/10.1109/IRMMW-THZ.2011.6104778","url":null,"abstract":"Degeneration of the lasing mode in a Terahertz Quantum Cascade Laser due to interaction with parasitic ghost modes is demonstrated here through rigorous numerical analysis. We show that such interactions can adversely affect the performance of a QCL by causing abrupt rises in lasing threshold. We also show that such affects can be avoided by altering the width of the metal cladding layer.","PeriodicalId":6353,"journal":{"name":"2011 International Conference on Infrared, Millimeter, and Terahertz Waves","volume":"203 1","pages":"1-2"},"PeriodicalIF":0.0,"publicationDate":"2011-12-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"73759882","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
Infrared quantum cascade laser spectroscopy of low frequency vibrations of intermolecular complexes 分子间复合物低频振动的红外量子级联激光光谱
2011 International Conference on Infrared, Millimeter, and Terahertz Waves Pub Date : 2011-12-15 DOI: 10.1109/IRMMW-THZ.2011.6104772
B. McElmurry, L. Rivera-Rivera, K. W. Scott, R. Lucchese, Zhongcheng Wang, I. Leonov, A. Legon, J. Bevan
{"title":"Infrared quantum cascade laser spectroscopy of low frequency vibrations of intermolecular complexes","authors":"B. McElmurry, L. Rivera-Rivera, K. W. Scott, R. Lucchese, Zhongcheng Wang, I. Leonov, A. Legon, J. Bevan","doi":"10.1109/IRMMW-THZ.2011.6104772","DOIUrl":"https://doi.org/10.1109/IRMMW-THZ.2011.6104772","url":null,"abstract":"Application of a QCL based spectrometer to cw supersonic slit jet expansions of CO and HX (X= F, Cl, CN, CCH) are reported. Spectroscopic analysis of fundamental, combination and hot bands of the CO stretching vibrations provide ro-vibrational parameters for low frequency intermolecular vibrations that can be incorporated in determination of morphed potentials for the respective dimers.","PeriodicalId":6353,"journal":{"name":"2011 International Conference on Infrared, Millimeter, and Terahertz Waves","volume":"646 1","pages":"1-2"},"PeriodicalIF":0.0,"publicationDate":"2011-12-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"74737880","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
Guiding a terahertz quantum cascade laser into low-loss hollow waveguides 引导太赫兹量子级联激光器进入低损耗空心波导
2011 International Conference on Infrared, Millimeter, and Terahertz Waves Pub Date : 2011-12-15 DOI: 10.1109/IRMMW-THZ.2011.6105177
M. Vitiello, J. Xu, F. Beltram, A. Tredicucci, O. Mitrofanov, J. Harrington, H. Beere, D. Ritchie
{"title":"Guiding a terahertz quantum cascade laser into low-loss hollow waveguides","authors":"M. Vitiello, J. Xu, F. Beltram, A. Tredicucci, O. Mitrofanov, J. Harrington, H. Beere, D. Ritchie","doi":"10.1109/IRMMW-THZ.2011.6105177","DOIUrl":"https://doi.org/10.1109/IRMMW-THZ.2011.6105177","url":null,"abstract":"We demonstrate that azimuthally polarized micro-ring THz quantum-cascade lasers can be coupled to hollow metallic waveguides with efficiencies ≥96% and perfectly matched with the TE01 waveguide mode, giving attenuation losses < 3dB/m. The use of Ag coated-flexible pipe waveguides allows propagation of either vertically polarized or azimuthally polarized QCL beams with propagation losses as low as 2.1–4.4 dB/m and bending losses lower than 1.2 dB.","PeriodicalId":6353,"journal":{"name":"2011 International Conference on Infrared, Millimeter, and Terahertz Waves","volume":"677 1","pages":"1-2"},"PeriodicalIF":0.0,"publicationDate":"2011-12-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"74753771","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 the effect of coating the single wire waveguide with a dielectric 单线波导电介质涂层效果的研究
2011 International Conference on Infrared, Millimeter, and Terahertz Waves Pub Date : 2011-12-15 DOI: 10.1109/IRMMW-THZ.2011.6105124
A. Berenguer, M. Baquero-Escudero, D. Sánchez-Escuderos, M. Ferrando-Bataller
{"title":"Study of the effect of coating the single wire waveguide with a dielectric","authors":"A. Berenguer, M. Baquero-Escudero, D. Sánchez-Escuderos, M. Ferrando-Bataller","doi":"10.1109/IRMMW-THZ.2011.6105124","DOIUrl":"https://doi.org/10.1109/IRMMW-THZ.2011.6105124","url":null,"abstract":"Recently, several waveguides have been proposed for THz waveguiding. The single metal wire waveguide is one of the most promising due its low-loss and non-dispersive behavior. However, waves are very weakly guided by this waveguide. This paper analyzes the effect on power confinement, attenuation and dispersion, of coating the wire with a dielectric jacket, depending on its thickness and permittivity.","PeriodicalId":6353,"journal":{"name":"2011 International Conference on Infrared, Millimeter, and Terahertz Waves","volume":"51 1","pages":"1-2"},"PeriodicalIF":0.0,"publicationDate":"2011-12-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"74989752","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
Tomography using a high-power terahertz free electron laser 使用高功率太赫兹自由电子激光器进行断层扫描
2011 International Conference on Infrared, Millimeter, and Terahertz Waves Pub Date : 2011-12-15 DOI: 10.1109/IRMMW-THZ.2011.6105022
M. Vlasenko, V. Pickalov, D. G. Rodionov, B. Knyazev
{"title":"Tomography using a high-power terahertz free electron laser","authors":"M. Vlasenko, V. Pickalov, D. G. Rodionov, B. Knyazev","doi":"10.1109/IRMMW-THZ.2011.6105022","DOIUrl":"https://doi.org/10.1109/IRMMW-THZ.2011.6105022","url":null,"abstract":"Numerical simulation and real experiments of obtaining tomographic projections were performed, and iterative algorithms for diffraction and transmission tomography for image reconstruction were developed. The generalization of one of the most promising type of iterative algorithms — Gerchberg-Papoulis algorithm for diffraction tomography was constucted. In addition, experimental methods for registration of tomographic projections in the terahertz range were developed. All measurements were carried out using real-time image sensor: a luminescence-quenching thermal image plate with an intensified CCD camera.","PeriodicalId":6353,"journal":{"name":"2011 International Conference on Infrared, Millimeter, and Terahertz Waves","volume":"67 1","pages":"1-1"},"PeriodicalIF":0.0,"publicationDate":"2011-12-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"74952077","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
Magnetooptical studies of resonant plasma excitations in grating-gate GaN/AlGaN-based field-effect transistors 光栅栅GaN/ algan基场效应晶体管中共振等离子体激励的磁光研究
2011 International Conference on Infrared, Millimeter, and Terahertz Waves Pub Date : 2011-12-15 DOI: 10.1109/IRMMW-THZ.2011.6105195
K. Nogajewski, K. Karpierz, M. Grynberg, W. Knap, R. Gaska, J. Yang, M. Shur, J. Lusakowski
{"title":"Magnetooptical studies of resonant plasma excitations in grating-gate GaN/AlGaN-based field-effect transistors","authors":"K. Nogajewski, K. Karpierz, M. Grynberg, W. Knap, R. Gaska, J. Yang, M. Shur, J. Lusakowski","doi":"10.1109/IRMMW-THZ.2011.6105195","DOIUrl":"https://doi.org/10.1109/IRMMW-THZ.2011.6105195","url":null,"abstract":"We report on experimental observation and theoretical analysis of magnetic-field and gate-voltage tunable magnetoplasmon resonances in grating-gate GaN/AlGaN-based field-effect transistors suitable for detection of THz radiation.","PeriodicalId":6353,"journal":{"name":"2011 International Conference on Infrared, Millimeter, and Terahertz Waves","volume":"19 1","pages":"1-2"},"PeriodicalIF":0.0,"publicationDate":"2011-12-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"75140030","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
Solutions for high sensitivity direct detection in submillimeter astronomy 亚毫米天文学中高灵敏度直接探测的解决方案
2011 International Conference on Infrared, Millimeter, and Terahertz Waves Pub Date : 2011-12-15 DOI: 10.1109/IRMMW-THZ.2011.6104984
V. Révéret, L. Rodriguez, P. Agnèse
{"title":"Solutions for high sensitivity direct detection in submillimeter astronomy","authors":"V. Révéret, L. Rodriguez, P. Agnèse","doi":"10.1109/IRMMW-THZ.2011.6104984","DOIUrl":"https://doi.org/10.1109/IRMMW-THZ.2011.6104984","url":null,"abstract":"The sensitivity specifications for next generation submillimeter instruments for astronomy, astrophysics and cosmology are between 1 and 2 orders of magnitude better than state of the art instruments like Herschel PACS. We are studying new solutions using semiconducting bolometers in order to achieve the required performances. We show that with minimum changes compared to our existing technology, we obtain very good performances with detectors that are very similar to the ones used for PACS. We also show our plans to go beyond these values.","PeriodicalId":6353,"journal":{"name":"2011 International Conference on Infrared, Millimeter, and Terahertz Waves","volume":"279 1","pages":"1-2"},"PeriodicalIF":0.0,"publicationDate":"2011-12-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"77293797","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
Initial test results for a real-time, 80 × 64 pixel, 600 GHz–1.2 THz imager 一个实时，80 × 64像素，600 GHz-1.2太赫兹成像仪的初步测试结果
2011 International Conference on Infrared, Millimeter, and Terahertz Waves Pub Date : 2011-12-15 DOI: 10.1109/IRMMW-THZ.2011.6105185
H. L. Mosbacker, J. Alverbro, Ze Zhang, P. Fay, Yang Ni, P. Potet, K. Sertel, G. Trichopoulos, K. Topalli, J. Volakis, D. Burdette
{"title":"Initial test results for a real-time, 80 × 64 pixel, 600 GHz–1.2 THz imager","authors":"H. L. Mosbacker, J. Alverbro, Ze Zhang, P. Fay, Yang Ni, P. Potet, K. Sertel, G. Trichopoulos, K. Topalli, J. Volakis, D. Burdette","doi":"10.1109/IRMMW-THZ.2011.6105185","DOIUrl":"https://doi.org/10.1109/IRMMW-THZ.2011.6105185","url":null,"abstract":"The widespread adoption of THz based applications has been hindered by the lack of a real-time, broad-band, cost-effective THz camera with sufficient sensitivity to enable applications in markets as diverse as security, non-destructive evaluation, and biomedical imaging. This technological gap can be filled through the development of an 80 × 64 pixel array of Sb-heterostructure backward diodes (Sb-HBDs) monolithically integrated to broadband (600 GHz–1200 GHz) antennas that can be directly flip-chipped to a CMOS voltage-mode readout integrated circuit (ROIC). This paper outlines the current progress of the prototype device.","PeriodicalId":6353,"journal":{"name":"2011 International Conference on Infrared, Millimeter, and Terahertz Waves","volume":"30 1","pages":"1-1"},"PeriodicalIF":0.0,"publicationDate":"2011-12-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"77074701","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
首页 上一页 下一页 尾页
0
×
引用
GB/T 7714-2015
复制
MLA
复制
APA
复制
导出至
BibTeX EndNote RefMan NoteFirst NoteExpress
×
提示
您的信息不完整，为了账户安全，请先补充。
现在去补充
×
提示
您因"违规操作"
具体请查看互助需知
我知道了
×
提示
现在去查看 取消
×
提示
确定
请完成安全验证×
相关产品
×
本文献相关产品
联系我们：info@booksci.cn Book学术提供免费学术资源搜索服务，方便国内外学者检索中英文文献。致力于提供最便捷和优质的服务体验。 Copyright © 2023 布克学术 All rights reserved.
京ICP备2023020795号-1
ghs 京公网安备 11010802042870号
Book学术文献互助
Book学术文献互助群
群 号：604180095
Book学术官方微信