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2015 IEEE International Vacuum Electronics Conference (IVEC)最新文献

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Development of an S/C Band Miniature Traveling Wave Tubes S/C波段微型行波管的研制
2015 IEEE International Vacuum Electronics Conference (IVEC) Pub Date : 2015-04-27 DOI: 10.1109/IVEC.2015.7224034
Tao Chen, Baorong Qiu, Yan Chen, Shuguang Wang
{"title":"Development of an S/C Band Miniature Traveling Wave Tubes","authors":"Tao Chen, Baorong Qiu, Yan Chen, Shuguang Wang","doi":"10.1109/IVEC.2015.7224034","DOIUrl":"https://doi.org/10.1109/IVEC.2015.7224034","url":null,"abstract":"A new class of S/C Band Miniature Traveling Wave Tubes (TWTs) is being developed for a microwave power module and aero plane that can be used for radar applications. The maximum dimensions of the S/C miniature TWTs, which saturated output is greater than 200 W (53 dBm), and efficiency greater than 30% and harmonic-ratio less than -3dBc, were just 300mm×80mm×40mm.","PeriodicalId":435469,"journal":{"name":"2015 IEEE International Vacuum Electronics Conference (IVEC)","volume":"52 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2015-04-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"122332586","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
High-efficiency, qualification-tested, next-generation 50 – 130-W K-band traveling-wave tubes for satellite communications downlinks 用于卫星通信下行链路的高效，经过资格测试的下一代50 - 130瓦k波段行波管
2015 IEEE International Vacuum Electronics Conference (IVEC) Pub Date : 2015-04-27 DOI: 10.1109/IVEC.2015.7223768
W. Menninger, S. Aldana-Gutierrez, R. Benton, D. Eze, X. Zhai, W. McGeary
{"title":"High-efficiency, qualification-tested, next-generation 50 – 130-W K-band traveling-wave tubes for satellite communications downlinks","authors":"W. Menninger, S. Aldana-Gutierrez, R. Benton, D. Eze, X. Zhai, W. McGeary","doi":"10.1109/IVEC.2015.7223768","DOIUrl":"https://doi.org/10.1109/IVEC.2015.7223768","url":null,"abstract":"L-3 Communications Electron Technologies (L-3 ETI) is in production on a next-generation 130-W K-band traveling-wave tube (TWT) in a both a radiation-cooled and a conduction-cooled package. This TWT is both more manufacturable and has better performance than the previous production K-band TWT.","PeriodicalId":435469,"journal":{"name":"2015 IEEE International Vacuum Electronics Conference (IVEC)","volume":"37 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2015-04-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"122737731","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
Microfabricated mm-wave TWT platform for wireless backhaul 微制造毫米波行波无线回程平台
2015 IEEE International Vacuum Electronics Conference (IVEC) Pub Date : 2015-04-27 DOI: 10.1109/IVEC.2015.7223799
J. Dayton, C. Kory, G. Mearini
{"title":"Microfabricated mm-wave TWT platform for wireless backhaul","authors":"J. Dayton, C. Kory, G. Mearini","doi":"10.1109/IVEC.2015.7223799","DOIUrl":"https://doi.org/10.1109/IVEC.2015.7223799","url":null,"abstract":"Teraphysics Corporation is developing a suite of miniature mm-wave TWTs for application to wireless backhaul. These devices are based on the 94 GHz TWT that was presented at IVEC 2014. This TWT, which weighs only .5 kg and has the footprint of a credit card, will serve as a platform for the miniature devices needed to fit into the limited space available on typical backhaul sites, such as telephone poles or street lights. The first application will be in E-Band. However, the sweet spot for the Teraphysics miniature helical amplifiers will be in the atmospheric windows centered at 140 and 240 GHz.","PeriodicalId":435469,"journal":{"name":"2015 IEEE International Vacuum Electronics Conference (IVEC)","volume":"37 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2015-04-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"114551967","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: 5
Brightness of electron beam from a small carbon nanotube emitter fabricated using the probe contact method 用探针接触法制备的小型碳纳米管发射极的电子束亮度
2015 IEEE International Vacuum Electronics Conference (IVEC) Pub Date : 2015-04-27 DOI: 10.1109/IVEC.2015.7223800
Min-Sik Shin, Y. Choi, Jun-Tae Kang, H. Jeon, Jae-Woo Kim, Sora Park, Sungyoul Choi, Jin-Woo Jeong, Ji-Hwan Yeon, S. Ahn, Yoon-Ho Song
{"title":"Brightness of electron beam from a small carbon nanotube emitter fabricated using the probe contact method","authors":"Min-Sik Shin, Y. Choi, Jun-Tae Kang, H. Jeon, Jae-Woo Kim, Sora Park, Sungyoul Choi, Jin-Woo Jeong, Ji-Hwan Yeon, S. Ahn, Yoon-Ho Song","doi":"10.1109/IVEC.2015.7223800","DOIUrl":"https://doi.org/10.1109/IVEC.2015.7223800","url":null,"abstract":"A novel method for fabricating a small-sized carbon nanotube (CNT) emitter was developed. The emitter was fabricated by contacting the tungsten probe covered with CNT paste to the surface of Kovar rod, and then the brightness of electron beam generated from the CNT paste emitter was measured. We obtained the virtual source size of 1.13 × 10<sup>-10</sup> m<sup>2</sup> and the brightness of 1.2 × 10<sup>7</sup> A m<sup>-2</sup>sr<sup>-1</sup> at an applied voltage of 3,100 V.","PeriodicalId":435469,"journal":{"name":"2015 IEEE International Vacuum Electronics Conference (IVEC)","volume":"39 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2015-04-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116989322","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 low current density elliptical sheet beam gun 低电流密度椭圆板束枪的设计
2015 IEEE International Vacuum Electronics Conference (IVEC) Pub Date : 2015-04-27 DOI: 10.1109/IVEC.2015.7223999
Ningfeng Bai, Meng Shen, Xiaohan Sun, Fujiang Liao, Jinjun Feng, T. Yan
{"title":"Design of low current density elliptical sheet beam gun","authors":"Ningfeng Bai, Meng Shen, Xiaohan Sun, Fujiang Liao, Jinjun Feng, T. Yan","doi":"10.1109/IVEC.2015.7223999","DOIUrl":"https://doi.org/10.1109/IVEC.2015.7223999","url":null,"abstract":"Low current density sheet beam electron gun is very useful for compact planar travelling wave tube (TWT). In this paper, a planner low current density elliptical sheet beam electron gun is presented, and the structure parameters of this electron gun are optimized to get low current density for the application of planar TWTs. The gun has an elliptical cathode, critical bearing on the laminarity of beam. With optimizing the structure, cathode, focusing and anode, parameters, the gun is achieved a sheet beam of 110A/cm2 at an operating beam voltage of 9.5kv with the final beam cross-section at 800μm × 60μm. The simulation results show this gun can produce a good focused laminar sheet beam.","PeriodicalId":435469,"journal":{"name":"2015 IEEE International Vacuum Electronics Conference (IVEC)","volume":"51 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2015-04-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"129267765","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
Preliminary study of carbon nanotube field emission cathode arrays 碳纳米管场发射阴极阵列的初步研究
2015 IEEE International Vacuum Electronics Conference (IVEC) Pub Date : 2015-04-27 DOI: 10.1109/IVEC.2015.7223875
Yajun Wang, Fei Yan, Nannan Li, D. Jin, W. Xiang
{"title":"Preliminary study of carbon nanotube field emission cathode arrays","authors":"Yajun Wang, Fei Yan, Nannan Li, D. Jin, W. Xiang","doi":"10.1109/IVEC.2015.7223875","DOIUrl":"https://doi.org/10.1109/IVEC.2015.7223875","url":null,"abstract":"This paper present the preliminary experimental results of carbon nanotube(CNT) cold cathode arrays using thermal chemical vapor deposition (TCVD). The results of the field emission test show that the current density of carbon nanotube arrays can achieve 2.2A/cm2 with a total emission current of 17.2mA.","PeriodicalId":435469,"journal":{"name":"2015 IEEE International Vacuum Electronics Conference (IVEC)","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2015-04-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"129304953","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
Progress in research and development of TWT diamond windows at BVERI BVERI行波管金刚石窗研究与开发进展
2015 IEEE International Vacuum Electronics Conference (IVEC) Pub Date : 2015-04-27 DOI: 10.1109/IVEC.2015.7223882
M. Ding, Lili Li, Yinghua Du, Y. Hu, Jun Cai, Jinjun Feng
{"title":"Progress in research and development of TWT diamond windows at BVERI","authors":"M. Ding, Lili Li, Yinghua Du, Y. Hu, Jun Cai, Jinjun Feng","doi":"10.1109/IVEC.2015.7223882","DOIUrl":"https://doi.org/10.1109/IVEC.2015.7223882","url":null,"abstract":"In the past years, we have fabricated a number of diamond windows for TWTs ranging from W-band to 340 GHz. This paper describes recent progress in research and development of the TWT diamond window at Beijing Vacuum Electronics Research Institute (BVERI).","PeriodicalId":435469,"journal":{"name":"2015 IEEE International Vacuum Electronics Conference (IVEC)","volume":"41 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2015-04-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"123344111","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
Preliminary experiment research on the W-band gyrotron traveling wave tube w波段回旋管行波管的初步实验研究
2015 IEEE International Vacuum Electronics Conference (IVEC) Pub Date : 2015-04-27 DOI: 10.1109/IVEC.2015.7224033
E. Wang, An Li, Xu Zeng, Hao Sun, S. Zhu, Jinjun Feng
{"title":"Preliminary experiment research on the W-band gyrotron traveling wave tube","authors":"E. Wang, An Li, Xu Zeng, Hao Sun, S. Zhu, Jinjun Feng","doi":"10.1109/IVEC.2015.7224033","DOIUrl":"https://doi.org/10.1109/IVEC.2015.7224033","url":null,"abstract":"In the experimental study a periodic dielectric loaded structure is used as the high-frequency structure of the W-band Gyro-TWT. The experimental measurement is carried out when the accelerating voltage is 63kV and the electron beam current is 6A. A peak output power of 120 kW, 3dB bandwidth of 6 GHz are obtained.","PeriodicalId":435469,"journal":{"name":"2015 IEEE International Vacuum Electronics Conference (IVEC)","volume":"56 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2015-04-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"114354750","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
Analysis of mode competition in output cavity for W-band sheet beam EIK w波段薄板梁EIK输出腔内模态竞争分析
2015 IEEE International Vacuum Electronics Conference (IVEC) Pub Date : 2015-04-27 DOI: 10.1109/IVEC.2015.7223910
Z. Chang, L. Meng, Yong Yin, Jie Xie, Qingyun Chen, Linping Feng
{"title":"Analysis of mode competition in output cavity for W-band sheet beam EIK","authors":"Z. Chang, L. Meng, Yong Yin, Jie Xie, Qingyun Chen, Linping Feng","doi":"10.1109/IVEC.2015.7223910","DOIUrl":"https://doi.org/10.1109/IVEC.2015.7223910","url":null,"abstract":"Highly overmoded structures of sheet beam EIK are barriers for the stable operation in RF circuit. In this paper, 3D simulations of an output cavity are presented followed by the calculations of RF parameters and mode competition analysis. Simulation results indicate that potential mode competition is feasible to be alleviated by systematic optimization while meeting the other performance requirements simultaneously.","PeriodicalId":435469,"journal":{"name":"2015 IEEE International Vacuum Electronics Conference (IVEC)","volume":"94 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2015-04-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"121488305","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 W-band third-harmonic gyrotron oscillator w波段三次谐波回旋管振荡器的设计
2015 IEEE International Vacuum Electronics Conference (IVEC) Pub Date : 2015-04-27 DOI: 10.1109/IVEC.2015.7223908
Zhiliang Li, Jinjun Feng, Ben-tian Liu, E. Wang, Yang Zhang, T. Yan
{"title":"Design of a W-band third-harmonic gyrotron oscillator","authors":"Zhiliang Li, Jinjun Feng, Ben-tian Liu, E. Wang, Yang Zhang, T. Yan","doi":"10.1109/IVEC.2015.7223908","DOIUrl":"https://doi.org/10.1109/IVEC.2015.7223908","url":null,"abstract":"The paper describes simulation and design of a W-band gyrotron oscillator operated in TE<sub>03</sub> mode at the third cyclotron harmonic. A self-consistent nonlinear code and a particle-in-cell (PIC) software were used to investigate the beam-wave interaction. Results of simulations show that the gyrotron can generate peak power of 110kW at 93.6GHz when utilized a 40kV, 12A, ν<sub>⊥</sub>/ν<sub>∥</sub>=1.5 electron beam from a magnetron injection gun, and the gyrotron operates stably in the operating mode.","PeriodicalId":435469,"journal":{"name":"2015 IEEE International Vacuum Electronics Conference (IVEC)","volume":"74 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2015-04-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"121556026","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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