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    Apparatus for bunching relativistic electrons
    1.
    发明申请
    Apparatus for bunching relativistic electrons 审中-公开
    用于聚束相对论电子的装置

    公开(公告)号：US20020060521A1

    公开(公告)日：2002-05-23

    申请号：US09996644

    申请日：2001-11-27

    Inventor： Frederick M. Mako ,  Terry F. Godlove

    IPC: H01J025/02

    CPC classification number: H01J23/10 ,  H01J25/06

    Abstract: The present invention is based on a relatively simple mechanism which heretofore has not been tried before. The mechanism depends on modulation of a collimated beam transverse to the beam direction rather than the usual longitudinal modulation. Conversion of the transverse motion into longitudinal bunching in an output cavity is accomplished by means of the difference in path length in a bending magnet. Since the present invention does not depend on longitudinal modulation, it is suitable for pulsed superpower (1 GW) applications, but it can be equally suited for multi-megawatt cw applications. The present invention pertains to an apparatus for bunching relativistic electrons. The apparatus comprises means for imparting a periodic velocity in a first direction in a first region to electrons of an electron beam moving in a second direction. The apparatus also is comprised of means for causing electrons to follow a path length in a second region corresponding to the velocity in the first direction such that the path length is determined by the velocity imparted in the first direction. The differing path length causes beam electrons to be bunched as they exit the second region, allowing microwave power to be extracted from the bunches by conventional means.

    Abstract translation: 本发明基于迄今尚未尝试的相对简单的机构。 该机制取决于横向于光束方向的准直光束的调制，而不是通常的纵向调制。 通过弯曲磁体中的路径长度的差异来实现横向运动转换成输出腔中的纵向聚束。 由于本发明不依赖于纵向调制，因此适用于脉冲超功率（1GW）应用，但也可适用于多兆瓦的应用。 本发明涉及一种用于聚束相对论电子的装置。 该装置包括用于将第一区域中的第一方向的周期速度赋予电子束在第二方向上移动的电子的装置。 该装置还包括用于使电子跟随在与第一方向上的速度对应的第二区域中的路径长度的装置，使得路径长度由在第一方向上施加的速度确定。 不同的路径长度使得束电子在它们离开第二区域时聚束，从而允许通过常规方式从束提取微波功率。

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