| 基于大气湍流效应的双波长激光传输特性实验研究 |
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| 引用本文： | 袁纵横,张静,张文涛,朱宝平.基于大气湍流效应的双波长激光传输特性实验研究[J].光学技术,2009,35(5). |
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| 作者姓名： | 袁纵横 张静 张文涛 朱宝平 |
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| 作者单位： | 1. 贵州民族学院物理与电子信息科技学院,贵阳,550025;桂林电子科技大学电子工程学院,广西桂林,541004
2. 桂林电子科技大学电子工程学院,广西桂林,541004 |
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| 基金项目： | 贵州省高层次人才科研特助经费项目(TZJF200622) |
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| 摘 要： | 为研究大气湍流作用下不同波长激光信号的传输特性,建立了基于双波长条件下的激光光束传输实验测试系统,在此基础上进行了室外实验测量,得到了双波长光束同信道传输时的光束漂移和光强起伏变化的测试数据。实验结果表明,大气湍流对激光信号的传输具有较大的影响,且光强的闪烁系数与波长有很大的关系,选择波长较长的激光束可减少湍流对光强起伏的影响;光束质心漂移具有很大的随机性,且其质心变化与波长之间无明显的直接联系。实验测试数据结果与大气湍流理论相符合,对空间大气通信具有一定的参考价值。
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| 关 键 词： | 大气光学 光通信 湍流效应 光斑质心漂移 光强起伏 |
Experimental study on transmission characteristics of dual wavelength laser in atmospheric turbulence |
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| YUAN Zong-heng,ZHANG Jing,ZHANG Wen-tao,ZHU Bao-ping.Experimental study on transmission characteristics of dual wavelength laser in atmospheric turbulence[J].Optical Technique,2009,35(5). |
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| Authors: | YUAN Zong-heng ZHANG Jing ZHANG Wen-tao ZHU Bao-ping |
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| Affiliation: | 1.Dept.of Physics and Electronic Information Science;Guizhou University for Nationalities;Guiyang 550025;China;2.School of Electronic Engineering;Guilin University of Electronic Technology;Guilin 541004;China |
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| Abstract: | In order to study the influence of atmospheric turbulence on the transmission characteristics of different wavelength laser,under the different weather conditions,the experiment system where the dual wavelength with the same channel can simultaneously transmit is established.And then the outside experiment is done.The test data of light beam drifting and light intensity variance changing at the dual wavelength with the same channel transmission is obtained.The result of the experiment shows that the climate... |
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| Keywords: | atmosphere optics optical communication turbulence effect spot centroid drifting intensity fluctuation |
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