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Random wandering of laser beams with orbital angular momentum during propagation through atmospheric turbulence

机译:通过大气湍流传播时,具有轨道角动量的激光束的随机游荡

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摘要

The propagation of laser beams having orbital angular momenta (OAM) in the turbulent atmosphere is studied numerically. The variance of random wandering of these beams is investigated with the use of the Monte Carlo technique. It is found that, among various types of vortex laser beams, such as the Laguerre-Gaussian (LG) beam, modified Bessel-Gaussian beam, and hypergeometric Gaussian beam, having identical initial effective radii and OAM, the LG beam occupying the largest effective volume in space is the most stable one.
机译:对湍流大气中具有轨道角矩(OAM)的激光束的传播进行了数值研究。使用蒙特卡洛技术研究了这些光束的随机游荡方差。发现在各种类型的涡旋激光束中,例如具有相同的初始有效半径和OAM的Laguerre-Gaussian(LG)光束,改良的Bessel-Gaussian光束和超几何高斯光束,LG光束占据了最大的有效光束。空间中体积是最稳定的一种。

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