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2. 发明授权

US4870368A Spiral line accelerator 失效
标题翻译：螺旋线加速器
公开(公告)号：US4870368A
公开(公告)日：1989-09-26
申请号：US166661
申请日：1988-03-11
申请人： Sidney D. Putnam
发明人： Sidney D. Putnam
IPC分类号： H05H7/00 , H05H7/04
CPC分类号： H05H7/04 , H05H7/00
摘要： A casing has an entrance, an exit, linearly disposed, substantially parallel portions and curved portions joining the linear portions to define a spiral configuration. Electron pulses entering the casing are accelerated in the linear portions of the casings by pulsed electric fields applied across accelerating gaps in such linear portions. The gaps are aligned in common planes transverse to the linear portions and electrical power is applied by the same connector to the gaps to the gaps within each common transverse plane. Magnetic fields, constant in time over successive accelerating cycles, are created throughout the casing to confine electrons interior to the casing and to guide the electrons around the bends. A magnetic field perpendicular to the plane of each bend is created in the curved portions of the casing to guide the electrons around the bend, and its strength is adjusted to be appropriate for the average electron energy from previous accelerations. Another magnetic field parallel to the casing walls is applied over all portions of the spiral configuration where necessary to counteract the radially outward repulsive forces between the electrons of a high current pulse and to suppress growth of undesirable transverse motion of the electrons. A third magnetic field of the "alternating gradient, strong focussing" type is applied over curved and linear portions of the spiral configuration as necessary to further confine the transverse motion of the beam within the casing and to direct electrons with deviations in energy from the average energy of the pulse to move substantially parallel to the casing walls.
摘要翻译：壳体具有入口，出口，线性布置，基本平行的部分和连接线性部分以限定螺旋构造的弯曲部分。通过施加在这些线性部分中的加速间隙上的脉冲电场，进入壳体的电子脉冲在壳体的线性部分中被加速。间隙在垂直于线性部分的共同平面中对准，并且电力通过相同的连接器施加到每个公共横向平面内的间隙的间隙。在整个套管中产生了连续加速循环中的时间恒定的磁场，以将电子内部限制在壳体内部并且引导电子绕弯曲。在壳体的弯曲部分中形成垂直于每个弯曲部的平面的磁场，以引导电子围绕弯曲部分，并且将其强度调整为适合于先前加速度的平均电子能量。平行于壳体壁的另一个磁场被施加在螺旋形结构的所有部分上，以在必要时抵消高电流脉冲的电子之间的径向向外的排斥力并且抑制电子的不希望的横向运动的生长。 “交替的梯度，强聚焦”类型的第三磁场在螺旋形结构的弯曲和线性部分上被施加，以便进一步将梁的横向运动限制在壳体内，并且将能量偏离平均值脉冲的能量基本上平行于壳体壁移动。

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