In this paper the transmission of paraxial light beams was analyzed based on the gradient vectorpotential of electromagnetic field.
本文运用电磁场的梯度矢势分析了一般情况下傍轴光束的衍射传输问题。
2
According to the principle of virtual-work, the formula of electromagnetic force based on magnetic vectorpotential is deduced.
根据虚位移原理，推导出基于矢量磁势的电磁力计算公式。
3
In this paper, the boundary value problem of the magnetic vectorpotential is derived by use of the character of the axisymmetrical electromagnetic field.