Tang Bin
School of Mathematics & Physics, Jiangsu Polytechnic University, Changzhou 213164, Jiangsu Province, China.
J Opt Soc Am A Opt Image Sci Vis. 2009 Dec;26(12):2480-7. doi: 10.1364/JOSAA.26.002480.
The propagation of polarized Hermite-cosine-Gaussian (HCosG) beams in uniaxial crystals orthogonal to the optical axis is investigated. Analytical formulas for a HCosG beam propagating in uniaxial crystals orthogonal to the optical axis are derived, and the propagation properties of the beam are illustrated numerically. The results show that the HCosG beam can keep its initial beam profile almost invariant for a short propagation distance. However, the initial symmetry and the linear polarization of an incident HCosG beam cannot be preserved during propagation in uniaxial crystals. In addition, the distributions of optical fields are closely related to the decentered parameter.
研究了偏振厄米-余弦-高斯（HCosG）光束在与光轴正交的单轴晶体中的传输。推导了HCosG光束在与光轴正交的单轴晶体中传输的解析公式，并通过数值方法说明了该光束的传输特性。结果表明，HCosG光束在较短的传输距离内可使其初始光束轮廓几乎保持不变。然而，入射HCosG光束的初始对称性和线偏振在单轴晶体中传输时无法保持。此外，光场分布与偏心参数密切相关。
