Fadeyeva Tatyana A, Volyar Alexander V
Physics Department, Taurida National V. I. Vernadsky University, Vernadsky av. 4, Simferopol, Ukraine, 95007.
J Opt Soc Am A Opt Image Sci Vis. 2010 Mar 1;27(3):381-9. doi: 10.1364/JOSAA.27.000381.
The dynamics of the spin-orbit coupling in elegant and standard Hermite-Gaussian (HG), Laguerre-Gaussian (LG), and Bessel-Gaussian (BG) beams propagating through a uniaxial crystal are analyzed. We consider the structure of the electric fields of the paraxial beams and show that the extreme values of the spin and orbital angular momenta are inherent in the elegant HG and LG of high orders. The spin-orbit coupling in the BG beam of the lowest order can result in nearly 100% energy transport from a vortex-free beam to the vortex-bearing beam at a relatively small crystal length. The extreme spin-orbit coupling does not manifest itself in standard HG and LG beams.
分析了在单轴晶体中传播的优美型和标准型厄米-高斯（HG）、拉盖尔-高斯（LG）和贝塞尔-高斯（BG）光束中自旋-轨道耦合的动力学。我们考虑了傍轴光束的电场结构，并表明高阶优美型HG和LG光束中存在自旋和轨道角动量的极值。最低阶BG光束中的自旋-轨道耦合在相对较短的晶体长度下可导致近100%的能量从无涡旋光束传输到有涡旋光束。极端的自旋-轨道耦合在标准HG和LG光束中并不表现出来。
