中文摘要：

利用Mie散射理论和电偶极子近似理论，计算了球形颗粒在全反射迅衰场中受到的光辐射力，得到了光辐射力随颗粒与分界面之间距离、入射角、颗粒半径和颗粒折射率的变化曲线．分析了光辐射力随相应参数的变化规律并且给予物理解释．

英文摘要：

The optical radiation force on a dielectric sphere in the evanescent field created by the total internal reflection of a planar wave were calculated,wherein both the classical Mie scattering theory and the dipole approximation were employed. The dependences of the radiation force on the relative parameters including the distance between the particle centre and the interface, the inci- dent angle of the planar wave, the particle size and its refractive index were obtained numerically. The properties of the radiation force were analyzed and the corresponding interpretations were given physically.