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2007 IEEE International Vacuum Electronics Conference最新文献

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Development of a 50 MW 30 GHz Gyroklystron 50mw 30ghz回旋速调管的研制
2007 IEEE International Vacuum Electronics Conference Pub Date : 2009-05-20 DOI: 10.2172/952611
M. Read, L. Ives, J. Neilson, W. Lawson
{"title":"Development of a 50 MW 30 GHz Gyroklystron","authors":"M. Read, L. Ives, J. Neilson, W. Lawson","doi":"10.2172/952611","DOIUrl":"https://doi.org/10.2172/952611","url":null,"abstract":"Calabazas Creek Research Inc. (CCR) has a program to develop a 30 GHz gyroklystron for testing advanced accelerator structures. A power of 50 MW is required.The program includes the design of all of the critical elements, including the electron gun, RF structure, collector, input and output couplers and the output window.","PeriodicalId":254940,"journal":{"name":"2007 IEEE International Vacuum Electronics Conference","volume":"63 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2009-05-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"127219799","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
Measurements and Analysis of Advanced Field Emission Cold Cathodes 先进场发射冷阴极的测量与分析
2007 IEEE International Vacuum Electronics Conference Pub Date : 2007-07-08 DOI: 10.1109/IVNC.2007.4480922
Xin He, J. Scharer, J. Booske, V. Vlahos, S. Sengele
{"title":"Measurements and Analysis of Advanced Field Emission Cold Cathodes","authors":"Xin He, J. Scharer, J. Booske, V. Vlahos, S. Sengele","doi":"10.1109/IVNC.2007.4480922","DOIUrl":"https://doi.org/10.1109/IVNC.2007.4480922","url":null,"abstract":"We report measurements and analysis of metal cold field emission cathodes utilizing an advanced cathode test facility. The facility is designed to measure the field emission current densities from cathodes on the Micro- and Macro-scale.","PeriodicalId":254940,"journal":{"name":"2007 IEEE International Vacuum Electronics Conference","volume":"64 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2007-07-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"123488308","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
Development of CW THz gyrotrons in FIR FU FIR FU连续波太赫兹回旋管的研制
2007 IEEE International Vacuum Electronics Conference Pub Date : 2007-06-25 DOI: 10.1109/MSMW.2007.4294571
T. Idehara, H. Tsuchiya, L. Agusu, H. Murase, T. Saito, I. Ogawa, S. Mitsudo
{"title":"Development of CW THz gyrotrons in FIR FU","authors":"T. Idehara, H. Tsuchiya, L. Agusu, H. Murase, T. Saito, I. Ogawa, S. Mitsudo","doi":"10.1109/MSMW.2007.4294571","DOIUrl":"https://doi.org/10.1109/MSMW.2007.4294571","url":null,"abstract":"A gyrotron with a 21 T pulse magnet achieved the breakthrough of 1 THz. This is the first result of high frequency operation in the world beyond 1 THz. In addition, new gyrotron series in FIR FU, University of Fukui, so-called Gyrotron FU CW Series is being developed. Such a present status of high frequency gyrotron in FIR FU will be introduced.","PeriodicalId":254940,"journal":{"name":"2007 IEEE International Vacuum Electronics Conference","volume":"3 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2007-06-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116460696","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
Measurements of Air Breakdown and Scaling to Microwaves Using 193 nm Focused Laser Radiation 用193nm聚焦激光辐射测量空气击穿和微波缩放
2007 IEEE International Vacuum Electronics Conference Pub Date : 2007-06-17 DOI: 10.1109/PPPS.2007.4345566
M. Thiyagarajan, J. Scharer, C. Denning, Siqi Luo
{"title":"Measurements of Air Breakdown and Scaling to Microwaves Using 193 nm Focused Laser Radiation","authors":"M. Thiyagarajan, J. Scharer, C. Denning, Siqi Luo","doi":"10.1109/PPPS.2007.4345566","DOIUrl":"https://doi.org/10.1109/PPPS.2007.4345566","url":null,"abstract":"We report the measurements and analysis of air breakdown processes by focusing 193 nm, 200 mJ, 10 MW high power UV laser radiation on to a 10 - 20 mum spot size that produces laser power densities up to 1012 -1013 W/cm2 , well above the threshold power flux for air ionization. The breakdown threshold is measured and compared with classical and quantum theoretical models. A universal scaling analysis of these results allows one to predict some aspects of high power microwave breakdown based on measured laser breakdown observations.","PeriodicalId":254940,"journal":{"name":"2007 IEEE International Vacuum Electronics Conference","volume":"104 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2007-06-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128577386","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
Proof of Principle Experiment on Photonic Crystal Reflex Klystron 光子晶体反射速调管原理实验证明
2007 IEEE International Vacuum Electronics Conference Pub Date : 2007-06-17 DOI: 10.1109/PPPS.2007.4345887
K. Jang, J. Won, J. So, A. Srivastava, Y. Shin, C. Baik, G. Park
{"title":"Proof of Principle Experiment on Photonic Crystal Reflex Klystron","authors":"K. Jang, J. Won, J. So, A. Srivastava, Y. Shin, C. Baik, G. Park","doi":"10.1109/PPPS.2007.4345887","DOIUrl":"https://doi.org/10.1109/PPPS.2007.4345887","url":null,"abstract":"Our research group has designed a photonic crystal reflex klystron which employs a high-order-mode resonator and multi-electron beams. Here a photonic crystal resonator with TM330 mode is employed in a reflex klystron for X-band proof-of-principle experiment. For the electron beam generation, carbon nanotube cathode is used as multi-beam (3 times 3 beams) source.","PeriodicalId":254940,"journal":{"name":"2007 IEEE International Vacuum Electronics Conference","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2007-06-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116210695","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
A Simple Algorithm for Large-Signal Analysis of a Gyro-TWT 陀螺行波管大信号分析的一种简单算法
2007 IEEE International Vacuum Electronics Conference Pub Date : 2007-05-15 DOI: 10.1109/IVELEC.2007.4283271
S. Karmakar
{"title":"A Simple Algorithm for Large-Signal Analysis of a Gyro-TWT","authors":"S. Karmakar","doi":"10.1109/IVELEC.2007.4283271","DOIUrl":"https://doi.org/10.1109/IVELEC.2007.4283271","url":null,"abstract":"This paper presents a simple self consistent large-signal formulation for computation of saturated gain, power and saturation length of a gyro-TWT. A computer code has been developed in C++ language. The computed results were found to be matching with the reported results obtained from other formulation. Using this code, a gyro-TWT interaction structure has been designed at 35 GHz with beam voltage of 50 kV.","PeriodicalId":254940,"journal":{"name":"2007 IEEE International Vacuum Electronics Conference","volume":"56 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2007-05-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"121035978","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
The Status of Field Emission Displays 场发射显示器的现状
2007 IEEE International Vacuum Electronics Conference Pub Date : 2007-05-15 DOI: 10.1109/IVELEC.2007.4283192
H. Mimura
{"title":"The Status of Field Emission Displays","authors":"H. Mimura","doi":"10.1109/IVELEC.2007.4283192","DOIUrl":"https://doi.org/10.1109/IVELEC.2007.4283192","url":null,"abstract":"FED is drawing attentions as one of the most promising flat panel displays and as a real successional display to CRT. For 20 years, many institute and companies have coped with the development of FEDs. However, the development of FEDs did not proceed on schedule. Recently, some breakthroughs have been made in FED technologies. At present FEDs are on the eve of coming into mass production. The paper describes the latest status of SEDs, spint-type FEDs, and CNT-FEDs.","PeriodicalId":254940,"journal":{"name":"2007 IEEE International Vacuum Electronics Conference","volume":"140 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2007-05-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116422836","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
Development of an S-band 1kW pulsed mini-TWT for MPMs 用于MPMs的s波段1kW脉冲微型行波管的研制
2007 IEEE International Vacuum Electronics Conference Pub Date : 2007-05-15 DOI: 10.1109/IVELEC.2007.4283201
T. Munehiro, M. Yoshida, K. Tomikawa, A. Kajiwara, K. Tsutaki, Y. Ueda
{"title":"Development of an S-band 1kW pulsed mini-TWT for MPMs","authors":"T. Munehiro, M. Yoshida, K. Tomikawa, A. Kajiwara, K. Tsutaki, Y. Ueda","doi":"10.1109/IVELEC.2007.4283201","DOIUrl":"https://doi.org/10.1109/IVELEC.2007.4283201","url":null,"abstract":"This paper describes the developmental activities of a mini-TWT for pulse radar systems. The radar TWT operates in the anode pulsed-mode and delivers more than 1kW in the S-band, without great difficulty. This S-band lkW pulsed mini-TWT is developed for microwave power modules (MPMs), having the RF output power of more than 1kW in the range of 2.5 to 3.6GHz and high overall efficiency of 60%.","PeriodicalId":254940,"journal":{"name":"2007 IEEE International Vacuum Electronics Conference","volume":"127 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2007-05-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"122496258","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
Magnetic Priming of a Relativistic Magnetron by Ferromagnetic Wires in the Anode and Cathode* 用铁磁线在正极和阴极中的相对磁控管的磁启动*
2007 IEEE International Vacuum Electronics Conference Pub Date : 2007-05-15 DOI: 10.1109/IVELEC.2007.4283397
R. Gilgenbach, B. Hoff, Y. Lau, N. Jordan, W. White, J. Zier, M. R. Gomez, E. Cruz, T. Spencer, D. Price
{"title":"Magnetic Priming of a Relativistic Magnetron by Ferromagnetic Wires in the Anode and Cathode*","authors":"R. Gilgenbach, B. Hoff, Y. Lau, N. Jordan, W. White, J. Zier, M. R. Gomez, E. Cruz, T. Spencer, D. Price","doi":"10.1109/IVELEC.2007.4283397","DOIUrl":"https://doi.org/10.1109/IVELEC.2007.4283397","url":null,"abstract":"Magnetic priming consists of N/2 azimuthal perturbations applied to the axial magnetic field in an N-cavity magnetron. When employed on the UM/L-3-Titan, 6-cavity, relativistic magnetron (L-band, -300 kV, ~3 kGauss), magnetic priming has shown enhanced performance over uniform-B- field operation. Magnetic perturbations are imposed utilizing Mu-metal wires embedded in either the cathode or both the cathode and anode of the magnetron.","PeriodicalId":254940,"journal":{"name":"2007 IEEE International Vacuum Electronics Conference","volume":"21 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2007-05-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"123034031","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
Recent Results on a 26 40 GHz Ka-band MPM 2640ghz ka波段MPM的最新研究结果
2007 IEEE International Vacuum Electronics Conference Pub Date : 2007-05-15 DOI: 10.1109/IVELEC.2007.4283235
C. Marchewka, C. Wan, J. Taylor, T. Schoemehl, C. Colombo, R. True, R. Watkins, T. Hargreaves, C. Armstrong
{"title":"Recent Results on a 26 40 GHz Ka-band MPM","authors":"C. Marchewka, C. Wan, J. Taylor, T. Schoemehl, C. Colombo, R. True, R. Watkins, T. Hargreaves, C. Armstrong","doi":"10.1109/IVELEC.2007.4283235","DOIUrl":"https://doi.org/10.1109/IVELEC.2007.4283235","url":null,"abstract":"Compact and lightweight, millimeter wave amplifiers are increasingly needed for mobile Mil-Satcom communication requirements as well as high frequency electronic countermeasure (ECM) applications. L-3 Communications Electron Devices has developed a high performance 26 - 40 GHz Millimeter Wave Power Module (MPM) with CW output powers of 50 watts in the communications band of 30 - 31 GHz and 20 watts at the Ka-band edges.","PeriodicalId":254940,"journal":{"name":"2007 IEEE International Vacuum Electronics Conference","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2007-05-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"114573340","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
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