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在Ａｓｈｋｉｎ的光学悬浮纯几何光线模型的基础上，采用立体解析几何的方法加以改进，对单光束聚焦俘获透明介质小球的作用力进行了分析和数值计算，得出了不同参数条件下光辐射压力的量级。特别地，给出了光的线偏振方向对悬浮力的影响，以及空间微重力条件下悬浮粒子可能的力学行为。
On the basis of Ashkin’s optical suspension pure geometric light model, the method of three-dimensional analytic geometry is improved to analyze and calculate the force of the single-beam focusing and capturing transparent medium ball. The results show that under different parameters, The magnitude of pressure. In particular, the influence of the linear polarization of light on the levitation force and the possible mechanical behavior of the suspended particles under spatial microgravity are given.