On the basic electromagnetic dynamics theory, the characteristics of electric polarization caused by laser in crystal are investigated in details, and a constant electric polarization in vertical direction to laser propagating is discovered.

分析了激光入射晶體后激發(fā)的電極化強(qiáng)度特性,發(fā)現(xiàn)在與激光傳輸垂直方向存在一恒定電極化強(qiáng)度分量。

This paper gives out Maxwell equations in anonlinear medium, the electric polarization Pand ca lculate ou t the elec tromagnet ic fieldenergy densi ty in a nonlinear medium.

本文給出了非線性介質(zhì)中Maxwell方程組的一般形式、電極化強(qiáng)度P的表示式，并算出了非線性介質(zhì)中的電磁場能量密度。

From general field equation,can be used to obtain expressions for the polarization and magnetization observed in the rotating reference frame.

從旋轉(zhuǎn)參照系中普遍的場方程出發(fā),可以把處在旋轉(zhuǎn)坐標(biāo)系中觀察者所看到的電極化強(qiáng)度和磁化強(qiáng)度推算出來。