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    • 1. 发明授权
    • Quasioptical gyroklystron
    • 夸张陀螺仪
    • US4491765A
    • 1985-01-01
    • US414129
    • 1982-09-02
    • Wallace M. ManheimerEdward OttAnders Bondeson
    • Wallace M. ManheimerEdward OttAnders Bondeson
    • H01J25/02H01J25/00
    • H01J25/025
    • A quasioptical gyroklystron for generating high power quasioptical radiation. A mildly relativistic electron beam gyrating in a static magnetic field is passed through a first open mirror resonator where a small change in the transverse electron energy takes place (either an increase or decrease depending on the relative phase between the electron gyration and the resonator wave fields). This small change than leads to slower (or more rapid) gyration of those electrons that have gained (or lost) energy in the first resonator. The length of the drift region between the first and a second open mirror resonator is adjusted so that rapidly gyrating electrons overtake slowly gyrating ones at the entrance to the second resonator. Thus the particles arrive at the second resonator strongly bunched in gyration phase. The fields in the first resonator are generated by feedback of a small amount of energy from the wave mode in the second resonator with a .pi./2 phase lag so that the beam entering the second resonator is bunched at the right phase angle to lose power efficiently to the fields in the second resonator. The lost power is extracted and guided to a utilization device.
    • 用于产生高功率准激光辐射的准激光陀螺仪。 在静态磁场中轻微相对论的电子束旋转通过第一开放镜谐振器,其中发生横向电子能量的小变化(根据电子回转和谐振器波场之间的相对相位而增加或减小 )。 这种小的变化导致在第一谐振器中获得(或丢失)能量的那些电子的较慢(或更快速)回转。 调整第一和第二开启镜谐振器之间的漂移区域的长度,使得快速旋转的电子在第二谐振器的入口处超过缓慢旋转的电子。 因此,颗粒到达第二共振器,在回转阶段中强力聚束。 第一谐振器中的场通过以π/ 2相位滞后从第二谐振器中的波模式的少量能量的反馈产生,使得进入第二谐振器的光束以正确的相位角聚束以有效地失去功率 到第二谐振器中的场。 丢失的功率被提取并被引导到利用装置。
    • 2. 发明授权
    • Device for guiding an electron beam
    • 用于引导电子束的装置
    • US4705988A
    • 1987-11-10
    • US773665
    • 1985-09-09
    • Minh Q. TranAnders Bondeson
    • Minh Q. TranAnders Bondeson
    • H01J23/087H01J23/08H01J25/02H01J25/00
    • H01J25/025
    • A device for guiding an electron beam from an electron gun to a microwave resonator in a microwave source operating according to the gyrotron principle, including a beam duct for guiding the electron beam, wherein the beam duct encloses the electron beam and has an electrically highly conductive surface area. For damping unwanted wave modes inside the beam duct, a plurality of damping openings are provided in the surface area of the beam duct. The characteristic aperture size (a) of the damping openings is larger than the wavelength of the modes to be damped. A particularly simple implementation employs wire mesh with an appropriate mesh size used as the material for the surface area of the beam duct.
    • 一种用于将电子束从电子枪引导到微波源的微波源的装置,该微波源根据陀螺原理工作,包括用于引导电子束的光束管道,其中光束通道包围电子束并具有高电导率 表面积。 为了阻止光束管道内的不需要的波形,在光束管道的表面区域设有多个阻尼开口。 阻尼孔的特征孔径(a)大于要被阻尼的模式的波长。 特别简单的实施方式采用具有适当的网眼尺寸的金属丝网,其用作用于光束管道的表面区域的材料。