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Design of a broad-sided split ring resonator-type SWS for short pulse E-band microwave generation 用于短脉冲e波段微波产生的宽边分环谐振式SWS的设计
IEEE International Vacuum Electronics Conference. International Vacuum Electronics Conference Pub Date : 2014-04-22 DOI: 10.1109/IVEC.2014.6857655
S. Prasad, S. Yurt, K. Ilyenko, M. Fuks, E. Schamiloglu
{"title":"Design of a broad-sided split ring resonator-type SWS for short pulse E-band microwave generation","authors":"S. Prasad, S. Yurt, K. Ilyenko, M. Fuks, E. Schamiloglu","doi":"10.1109/IVEC.2014.6857655","DOIUrl":"https://doi.org/10.1109/IVEC.2014.6857655","url":null,"abstract":"We are designing a broad sided split-ring resonator-type slow wave structure (SWS) capable of generating high power microwaves (HPM) at E-band with a 12 ns FWHM and 500 kV voltage pulse. The preliminary MAGIC simulations show output power of 1.2 GW and electronic efficiency of 40%.","PeriodicalId":88890,"journal":{"name":"IEEE International Vacuum Electronics Conference. International Vacuum Electronics Conference","volume":"28 1","pages":"393-394"},"PeriodicalIF":0.0,"publicationDate":"2014-04-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"82281177","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 the output window for Terahertz Extended Interaction Oscillator 设计了太赫兹扩展相互作用振荡器的输出窗口
IEEE International Vacuum Electronics Conference. International Vacuum Electronics Conference Pub Date : 2014-04-22 DOI: 10.1109/IVEC.2014.6857690
Wenxin Liu, Chao Zhao, Xin Guo, Zhang Rui, Yong Wang, Haoying Wang
{"title":"Design the output window for Terahertz Extended Interaction Oscillator","authors":"Wenxin Liu, Chao Zhao, Xin Guo, Zhang Rui, Yong Wang, Haoying Wang","doi":"10.1109/IVEC.2014.6857690","DOIUrl":"https://doi.org/10.1109/IVEC.2014.6857690","url":null,"abstract":"Extended Interaction Oscillator (EIO) is a promising Terahertz (THz) high power source, which has many important applications, such as military radar, medical imaging and material science research, etc. For the improvements Terahertz wave traversing, the output window for THz EIO is studied through the S parameter, including the thickness, geometry profile and place position, etc. The results show that one can gain the high transmission through the optimum parameter with thickness 0.4mm, diameter D is 5.0mm and the circular waveguide is 1.9mm.","PeriodicalId":88890,"journal":{"name":"IEEE International Vacuum Electronics Conference. International Vacuum Electronics Conference","volume":"3 1","pages":"463-464"},"PeriodicalIF":0.0,"publicationDate":"2014-04-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"80229347","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
Stepped impedance magnetic compression modulator 阶跃阻抗磁压缩调制器
IEEE International Vacuum Electronics Conference. International Vacuum Electronics Conference Pub Date : 2014-04-22 DOI: 10.1109/IVEC.2014.6857556
A. Kuthi, J. Sanders, M. Gundersen
{"title":"Stepped impedance magnetic compression modulator","authors":"A. Kuthi, J. Sanders, M. Gundersen","doi":"10.1109/IVEC.2014.6857556","DOIUrl":"https://doi.org/10.1109/IVEC.2014.6857556","url":null,"abstract":"A novel, improved magnetic compression based stepped impedance transmission line pulse generator circuit is presented. It is shown that discharging an initially charged lumped element transmission line with saturable inductor switches in each cell can result in complete energy transfer between cells of different capacitances provided the cell capacitances are in a certain fixed sequence independent of the cell inductances. The use of pre-charge voltage in such stepped impedance magnetic compression line provides voltage multiplication in addition to pulse compression without the use of transformers.","PeriodicalId":88890,"journal":{"name":"IEEE International Vacuum Electronics Conference. International Vacuum Electronics Conference","volume":"350 1","pages":"193-194"},"PeriodicalIF":0.0,"publicationDate":"2014-04-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"76372044","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 of the TWT model based on two dielectric plates 基于双介质板的行波管模型分析
IEEE International Vacuum Electronics Conference. International Vacuum Electronics Conference Pub Date : 2014-04-22 DOI: 10.1109/IVEC.2014.6857610
Y. Pchelnikov, A. Vlasov
{"title":"Analysis of the TWT model based on two dielectric plates","authors":"Y. Pchelnikov, A. Vlasov","doi":"10.1109/IVEC.2014.6857610","DOIUrl":"https://doi.org/10.1109/IVEC.2014.6857610","url":null,"abstract":"A TWT, formed by two dielectric plates covered by metal screens and a sheet electron beam (EB), is analyzed. The dispersion characteristics and the coupling coefficient, characterizing the EB interaction effectiveness are calculated for different thickness of the plates and the e-beam tunnel's height. A high value of the coupling coefficient is obtained.","PeriodicalId":88890,"journal":{"name":"IEEE International Vacuum Electronics Conference. International Vacuum Electronics Conference","volume":"31 1","pages":"303-304"},"PeriodicalIF":0.0,"publicationDate":"2014-04-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"81348203","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
The accelerated multi-stage depressed collector code COLLGUN using CUDA 基于CUDA的加速多级压缩收集器代码COLLGUN
IEEE International Vacuum Electronics Conference. International Vacuum Electronics Conference Pub Date : 2014-04-22 DOI: 10.1109/IVEC.2014.6857468
C. C. Xavier, Antonino Laudani
{"title":"The accelerated multi-stage depressed collector code COLLGUN using CUDA","authors":"C. C. Xavier, Antonino Laudani","doi":"10.1109/IVEC.2014.6857468","DOIUrl":"https://doi.org/10.1109/IVEC.2014.6857468","url":null,"abstract":"COLLGUN, designed to simulate multistage depressed collectors, was optimized by using parallel computing. This work reports the speedups observed on a parallel implementation of the COLLGUN code using CUDA. Were parallelized the solver of the sparse system for the electric scalar potential using the Incomplete Cholesky Conjugate Gradient Method (a) and the determination of the electric field inside each tetrahedron of the mesh (b), and speedups over 3X and 5X were respectively observed.","PeriodicalId":88890,"journal":{"name":"IEEE International Vacuum Electronics Conference. International Vacuum Electronics Conference","volume":"67 1","pages":"17-18"},"PeriodicalIF":0.0,"publicationDate":"2014-04-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"90870623","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
Linear theory of double slot coupled cavity slow wave structure in TWT 行波管双槽耦合腔慢波结构的线性理论
IEEE International Vacuum Electronics Conference. International Vacuum Electronics Conference Pub Date : 2014-04-22 DOI: 10.1109/IVEC.2014.6857608
Fangming He, Wenqiu Xie, Jirun Luo, Mingkui Zhu, Wei Guo
{"title":"Linear theory of double slot coupled cavity slow wave structure in TWT","authors":"Fangming He, Wenqiu Xie, Jirun Luo, Mingkui Zhu, Wei Guo","doi":"10.1109/IVEC.2014.6857608","DOIUrl":"https://doi.org/10.1109/IVEC.2014.6857608","url":null,"abstract":"A 3-D model of the double slot coupled cavity slow-wave structure (CCSWS) with a solid round electron beam for the beam-wave interaction is proposed in this abstract. Based on the “cold” dispersion, the “hot” dispersion equation is derived with the Borgnis potential function by using the field-matching method. Then, the formula of the linear gain is given.","PeriodicalId":88890,"journal":{"name":"IEEE International Vacuum Electronics Conference. International Vacuum Electronics Conference","volume":"62 1","pages":"299-300"},"PeriodicalIF":0.0,"publicationDate":"2014-04-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"89684980","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
Analytical modeling of sever-loss in a helical slow-wave structure 螺旋慢波结构中严重损耗的解析建模
IEEE International Vacuum Electronics Conference. International Vacuum Electronics Conference Pub Date : 2014-04-22 DOI: 10.1109/IVEC.2014.6857595
Ashok Bansiwal, S. K. Datta
{"title":"Analytical modeling of sever-loss in a helical slow-wave structure","authors":"Ashok Bansiwal, S. K. Datta","doi":"10.1109/IVEC.2014.6857595","DOIUrl":"https://doi.org/10.1109/IVEC.2014.6857595","url":null,"abstract":"A fully analytical approach has been presented in this paper for the estimation of sever-loss in a helical slow-wave structure. The analysis correlates the waveguide measurement of resistive-attenuator coated dielectric support rods of helical slow-wave structure to the attenuation constant of the assembled slow-wave structure. The analysis has been used for characterizing the sever-loss of a typical X-Ku-band helical slow-wave structure and compared with the results published elsewhere.","PeriodicalId":88890,"journal":{"name":"IEEE International Vacuum Electronics Conference. International Vacuum Electronics Conference","volume":"14 1","pages":"273-274"},"PeriodicalIF":0.0,"publicationDate":"2014-04-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"89423984","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
Period variation in a filter helix TWT delay line 滤波器螺旋行波管延迟线的周期变化
IEEE International Vacuum Electronics Conference. International Vacuum Electronics Conference Pub Date : 2014-04-22 DOI: 10.1109/IVEC.2014.6857598
Elke Gehrmann, A. Jacob
{"title":"Period variation in a filter helix TWT delay line","authors":"Elke Gehrmann, A. Jacob","doi":"10.1109/IVEC.2014.6857598","DOIUrl":"https://doi.org/10.1109/IVEC.2014.6857598","url":null,"abstract":"A filter consisting of periodic transmission line discontinuities to suppress the second harmonic in a traveling wave tube (TWT) is analyzed regarding the influence of its overall length and the length of a period on the stopband. The filter properties for varied period lengths are investigated. The focus is on spurious effects at the stopband edges and on the bandwidth.","PeriodicalId":88890,"journal":{"name":"IEEE International Vacuum Electronics Conference. International Vacuum Electronics Conference","volume":"4 1","pages":"279-280"},"PeriodicalIF":0.0,"publicationDate":"2014-04-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"89549772","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
Lifetime and quantum efficiency advances in self-healing controlled porosity reservoir photocathodes 自愈可控孔隙储层光电阴极的寿命和量子效率研究进展
IEEE International Vacuum Electronics Conference. International Vacuum Electronics Conference Pub Date : 2014-04-22 DOI: 10.1109/IVEC.2014.6857524
E. Montgomery, B. Riddick, D. Feldman, A. Boldin, R. Ives, L. Falce
{"title":"Lifetime and quantum efficiency advances in self-healing controlled porosity reservoir photocathodes","authors":"E. Montgomery, B. Riddick, D. Feldman, A. Boldin, R. Ives, L. Falce","doi":"10.1109/IVEC.2014.6857524","DOIUrl":"https://doi.org/10.1109/IVEC.2014.6857524","url":null,"abstract":"Electron beams for such applications as free electron lasers demand high brightness, picosecond-pulsed photoemissive electron sources. The controlled porosity reservoir (CPR) photocathode is a self-healing electron photoemitter. Its design is inspired by thermionic dispenser cathodes, offering extended lifetime of the easily-contaminated cesiated surface. We report atmospheric handling and subsequent self-healing and describe efforts underway to increase quantum efficiency (QE) well above the existing 0.1%-class ultraviolet performance of a Cs:W system by using other surface coatings.","PeriodicalId":88890,"journal":{"name":"IEEE International Vacuum Electronics Conference. International Vacuum Electronics Conference","volume":"297 1","pages":"131-132"},"PeriodicalIF":0.0,"publicationDate":"2014-04-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"88004697","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 an electron optics system for a G-band sheet beam klystron g波段片束速调管的电子光学系统设计
IEEE International Vacuum Electronics Conference. International Vacuum Electronics Conference Pub Date : 2014-04-22 DOI: 10.1109/IVEC.2014.6857627
Xiudong Yang, Shuzhong Wang, C. Ruan, Changqing Zhang
{"title":"Design of an electron optics system for a G-band sheet beam klystron","authors":"Xiudong Yang, Shuzhong Wang, C. Ruan, Changqing Zhang","doi":"10.1109/IVEC.2014.6857627","DOIUrl":"https://doi.org/10.1109/IVEC.2014.6857627","url":null,"abstract":"An electron optics system for G-band sheet beam klystron was designed. A rectangle electron gun was designed to produce a 16.5-kV 580-mA sheet electron beam with a rectangle cross section of 2.5mm × 0.12mm. In this paper, the transport process in uniform solenoidal magnetic field was simulated, the electron beam transmission attained 100% over 15mm in distance with a fill factor that is less than 0.5.","PeriodicalId":88890,"journal":{"name":"IEEE International Vacuum Electronics Conference. International Vacuum Electronics Conference","volume":"11 1","pages":"337-338"},"PeriodicalIF":0.0,"publicationDate":"2014-04-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"78976836","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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