多普勒激光雷达在大气风场探测中已经得到广泛应用.相比于Fabry-Perot (F-P)干涉仪、Fizeau 干涉仪,Mach-Zehnder (M-Z)干涉仪作为鉴频器具有透过率高、探测谱的范围宽、能进行视场展宽而获得大光通量、所成直条纹可以与CCD匹配等优点,同时也可以实现大的风速探测范围,弥补现有直接探测多普勒测风激光雷达探测范围较小,探测灵敏度的非线性问题.分析了基于M-Z干涉仪条纹成像技术的激光雷达大气风场探测原理,对干涉仪鉴频系统进行了参数优化设计及仿真分析,通过设定实验参数,获得仿真结果,进行数据反演,得到风速值与理论结果基本一致.
参考文献
| [1] | Bu Lingbing,Chen Weibiao,Zhou Jun,et al.Studies of fringe-technique wind lidar[J].Acta Photonica Sinica (光子学报),2009,38(1):175-178 (in Chinese). |
| [2] | Shen Fahua,Yue bin,Xia Haiyun,et al.Method of wind velocity inversion for wind lidar based on Fizeau fringe technique[J].Infrared and Laser Engineering (红外与激光工程),2007,36(6):834-837 (in Chinese). |
| [3] | Liu Jiqiao,Chen Weibiao,Hu Qiquan.A wind direct-detection Doppler lidar based on a multi-beam Fizeau interferometer[J].Atmosphere Science(大气科学), 2004,28(5):762-770 (in Chinese). |
| [4] | Bruneau Didier.Mach-Zehnder interferometer as a spectral analyzer for molecular Doppler wind lidar[J].Appl.Opt.,2001,40(3):391-399. |
| [5] | Bruneau D.Fringe-imaging Mach-Zehnder interferometer as a spectral analyzer for molecular Doppler wind lidar[J].Appl.Opt.,2002,41(3):503-510. |
| [6] | Bruneau D,Garnier A,Hertzog A,et al.Wind-velocity lidar measurements by use of a Mach-Zehnder interferometer,comparison with a Fabry-Perot interferometer[J].Appl.Opt.,2004,43(1):173-182. |
| [7] | Bruneau D,et al.Simultaneous measurements of particle backscattering and extinction coefficients and wind velocity by lidar with a Mach-Zehnder interferometer:Principle of operation and performance assessment[J].Appl.Opt.,2003,42(6):1101-1114. |
上一张
下一张
上一张
下一张
计量
- 下载量()
- 访问量()
文章评分
- 您的评分：
-
10%
-
20%
-
30%
-
40%
-
50%