方位能流在光的几何自旋霍尔效应中的作用
Role of Azimuthal Energy Flows in the Geometric Spin Hall Effect of Light
摘要：
在具有角动量的傍轴光束的斜截面中，光束的重心（CG）相对于其在法向截面中的位置是移动的。我们把这种转变与发生在正常和斜截面之间的通道上的内能再分配联系起来。横向轨道流解释了标量光束的效应，类似地，自旋流的引入使得能够解释椭圆偏振光束斜截面中的CG位移。位置敏感探测器放置在倾斜光束部分的特殊属性的作用进行了讨论。
英文摘要：
In an oblique section of a paraxial beam with angular momentum, the beam center of gravity (CG) is shifted with respect to its position in the normal cross section. We relate this shift with the internal energy redistribution occurring on the passage between the normal and oblique sections. The transverse orbital flow explains the effect for scalar beams, similar incorporation of the spin flow enables explanation of the CG shift in oblique sections of the elliptically polarized beams. Role of the special properties of the position-sensitive detector placed in the oblique beam section is discussed.
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