阵列光束在各向异性湍流大气传输时的光束漂移
Beam wander of array beams propagating through anisotropic turbulent atmosphere
查看参考文献20篇
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文摘
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基于拓展的惠更斯-菲涅尔原理,推导出了圆对称阵列光束在各项异性湍流大气中传输的束腰宽度和光束漂移解析表达式,并对此表达式进行了数值模拟.结果表明:圆对称阵列光束在各项异性湍流大气传输时,阵列光束的高斯光束个数对光束漂移的影响较小,而高斯阵列所围成圆环的半径对光束漂移的影响较大,半径越大,阵列光束的漂移越小;各项异性湍流大气的幂律参数和各项异性因子也是影响光束漂移的主要因素.在相同条件下,阵列光束受到各项异性湍流大气的扰动比高斯光束小. |
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其他语种文摘
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Based on the extended Huygens-Fresnel principle,the analytical expressions of the beam width and beam wander for radial array beams in anisotropic turbulent atmosphere are derived.The numerical analysis results show that the beam wander of radial array beams influenced by the number of Gaussian beam is small,but the radius of the ring is large.There is small beam wander for radial array beams with the large radius of the ring.Beam wander is also mainly affected by the power law and anisotropic factor in anisotropic turbulence.Under the same conditions,laser array beams in anisotropic turbulent atmosphere are less disturbed than Gaussian beam. |
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来源
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量子电子学报
,2019,36(3):270-277 【扩展库】
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DOI
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10.3969/j.issn.1007-5461.2019.03.003
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关键词
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大气光学
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光束漂移
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拓展的惠更斯-菲涅尔原理
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圆对称阵列光束
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地址
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1.
安徽师范大学物理与电子信息学院, 安徽省光电材料科学与技术重点实验室, 安徽, 芜湖, 241002
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中国科学院西安光学精密机械研究所, 瞬态光学与光子技术国家重点实验室, 陕西, 西安, 710119
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语种
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中文 |
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文献类型
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研究性论文 |
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ISSN
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1007-5461 |
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学科
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物理学 |
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基金
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瞬态光学与光子技术国家重点实验室开放基金
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大学生创新创业训练计划
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文献收藏号
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CSCD:6501516
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