LC-SLM激光大气传输湍流模拟及通信实验分析

艾勇; 段梦云; 徐洁洁; 单欣; 陈晶; 熊准; 姜茹

红外与激光工程, 2015, 44 (10): 3103, 网络出版: 2016-01-26

LC-SLM激光大气传输湍流模拟及通信实验分析

LC-SLM laser atmospheric transmission turbulence simulation and communication test

论文大纲

艾勇段梦云徐洁洁单欣陈晶熊准姜茹

作者单位

武汉大学电子信息学院，湖北武汉 430079

大气湍流模拟激光传输相位屏模拟激光通信 atmospheric turbulence simulation laser transmission simulation for phase screen laser communication

摘要

采用功率谱反演法与叠加低频谐波方式数值模拟静态湍流相位屏，并根据湍流冻结理论仿真了动态湍流相位屏。采用液晶空间光调制器(LC-SLM)在实验室内搭建了大气湍流信道仿真平台，进行了Kolmogorov湍流模型下，不同湍流强度的激光大气传输模拟研究，对比分析了实验结果，与理论较为符合。同时实验研究了不同模拟湍流强度下激光通信误码率的响应关系，这对实验室内评估实际激光通信系统的性能具有重要应用价值。

Abstract

Numerical simulations for static turbulent phase screens are presented with power spectrum method(FFT). Also simulation methods for dynamic phase screen were presented by using traditional turbulence frozen method. An indoor atmospheric turbulence simulator was designed based on LC-SLM, and a simulation test bed was built. In the Kolmogorov turbulence laser propagation characteristic in different turbulent atmosphere was simulated. The experiments results were analyzed and showed the agreement with the theory. The response of bit error to intensity of turbulence were investigated, it is meaningful for value the laser communication system indoor test.

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艾勇, 段梦云, 徐洁洁, 单欣, 陈晶, 熊准, 姜茹. LC-SLM激光大气传输湍流模拟及通信实验分析[J]. 红外与激光工程, 2015, 44(10): 3103. Ai Yong, Duan Menyun, Xu Jiejie, Shan Xin, Chen Jing, Xiong Zhun, Jiang Ru. LC-SLM laser atmospheric transmission turbulence simulation and communication test[J]. Infrared and Laser Engineering, 2015, 44(10): 3103.

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