磁聚焦现象一般都是利用载流螺线管中激发的磁场来实现的。在实际应用中,大多用载流的短线圈所激发的非均匀磁场来实现磁聚焦作用。由于这种线圈的作用与光学中的透镜作用相似,故称磁透镜。在显像管、电子显微镜和真空器件中,常用磁透镜来聚焦电子束。
永磁透镜 permanent magnetic lens
静磁透镜 magnetostatic lens ; lens magnetostatic
短磁透镜 short magnetic lens ; short alluring lens ; lens
超导电磁透镜 superconducting electromagnetic lens
磁透镜谱仪 magnetic-lens spectrometer ; spectrometer ; magnetic-lens ; spectrometer magnetic-lens
不对称磁透镜 asymmetric magnetic lens
延迟电磁透镜 delay lens
磁透镜分光计 magnetic-lens spectrometer
电磁透镜系统 electromagnetic lens system
长焦距磁透镜 long-focus magnetic lens
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本文采用积分方程法计算带极靴的任意形状的磁透镜。
In this paper, an integral equation method is developed for calculating the magnetic field produced by the iron-shielded lens of arbitrary shape.
文中阐述了四极磁透镜边缘场的三种处理方法,用这三种方法计算了透镜的输运矩阵。
To calculate the transfer matrix in the fringe region of a quadrupole lens, three kinds of methods are used.
应用激光冷却技术能使这一影响减小,从而使磁透镜在原子光学领域得到更广泛的应用。
The use of laser cooling atomic beam technique can greatly reduce this aberration and makes the magnetic lens a useful tool in the field of atomic optics.
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