1. Simulation of Smith-Purcell radiation from compact terahertz source; 紧凑型THz源的史密斯-帕塞尔辐射模拟(英文)2. Smith-Purcell radiation(SPR) from prebunched electron bunches moving in parallel with the surface of periodic ideal metal grating is analyzed. 研究了预群聚电子束团沿周期性理想金属...
?讨论了变参数smith–purcell自由电子激光器中电子的一维运动.得到了小信号情况下器件效率的解析式,给出了选取光栅参数的变化依据.在辐射输出波长为1μm情况下进行了数值模拟计算.结果表明,当光栅参数的变化选取合适时,增加电子与场的相互作用长度,能提高器件的工作效率.强激光与粒子束熊平凡王友棠...
SMITH-PURCELL RADIATION FROM A CHARGE MOVING ABOVE AFINITE-LENGTH GRATING ∗A. S. Kesar, S. Korbly, R. J. Temkin, MIT/PSFC, Cambridge, MA, U.S.A.M. Hess, IUCF, Bloomington, IN, U.S.A.AbstractSmith-Purcell radiation (SPR), generated by an electronbeam traveling above a grating...
SIMULATIONANDEXPERIMENTALSTUDYOFTERAHERTZSMITH-PURCELLSUPERRADIATIONAMasterThesisSubmittedtoUniversityofElectronicScienceandTechnologyofChinaDiscipline:MasterofEngineeringAuthor:CaoYuehengSupervisor:Prof.HuMinSchool:SchoolofPhysicalElectronics摘要I摘要太赫兹(Terahertz,THz)波段的频率范围在100GHz与10THz之间,波长介于30μm与...
An investigation of Smith-Purcell radiation is carried out with a three-dimensional particle-in-cell simulation. The simulation model consists of a rectangular grating with limited length and width, which is driven by a single electron bunch, a train of periodic bunches, and a continuous beam. ...
Smith-Purcell radiation from a narrow tape helix 来自 Semantic Scholar 喜欢 0 阅读量: 27 作者:AR Neureuther,R Mittra 摘要: A theoretical investigation of a narrow tape helix excited by a modulated electron beam gives quantitative results which can be used to estimate the strengths of ...
Spontaneous and stimulated Smith-Purcell radiation experiments in the far-infrared Metal diffraction gratings of rectangular profile mounted in the focal region of a modified scanning electron microscope were used to produce Smith-Purcell radiation at far-infrared wavelengths. Electron beam energies of 30...
Smith-Purcell(SP)辐射是一种利用电子束与周期性表面相互作用获得的相干衍射辐射(diffraction radiation,DR),它的辐射特性在一定程度上取决于周期性结构的电磁特性,它... 朱润泽 - 《桂林电子科技大学》 被引量: 0发表: 2023年 一种基于介质光栅Smith-Purcell效应的相干电磁波辐射系统 本发明公开了一种基于介质光栅...
The research on a Smith-Purcell device becomes active since it holds promise in developing a high power, tunable, and compact terahertz radiation source. I... 曹苗苗,刘文鑫,王勇,... - 《物理学报》 被引量: 0发表: 2016年 亚皮秒电子束激发太赫兹Smith-Purcell辐射研究 太赫兹(THz)辐射一般指的是...
Influence of the Smith-Purcell Radiation on Electron Beam in DROdoi:10.1615/TelecomRadEng.v68.i3.20The action of the Smith-Purcell radiation (SPR) on the electron beam in devices of diffraction radiation oscillator (DRO) type is investigated theoretically. It is shown that the SPR field exerts...