介绍了一种采用只含有会聚场的单透镜的全静电聚焦和偏转系统，这种系统非常适用于制作小型高性能摄象管。

An all-electrostatic focusing and deflecting system characterized by simple lens system is introduced The new system is very useful in producing compact high-performance camera tubes.

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平行光通过折射率存在梯度的场，光线产生偏转，即产生云纹效应。

The method is based on measuring the deflection of rays from a collimated light beam due to gradients in refractive index.

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该方法适用于估测高次谐波场对磁滞损耗的影响，降低能量损耗的偏转系统磁芯结构的优化，磁性材料的选择等。

This method may possibly be used to estimate influence of high order harmonic field on hysteresis loss to optimize the design of deflection yoke ring and to develop energy saving ferrite materials.

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