激光测风雷达折射式收发同轴光学天线设计
发布时间:2019-01-06 19:25
【摘要】:为了提高光学系统的环境适应性,采用光机结合被动消热差的方法,设计消热差的折射式收发同轴光学天线。利用ZEMAX软件仿真分析了工作距离为50m~3000m、环境温度为-45℃~65℃范围内所设计天线的像质情况;搭建实验平台,测试实际光斑质量,并对仿真结果进行了实验验证。结果表明,天线在探测范围内波像差小于0.25λ,光学质量接近衍射极限,在环境温度变化范围内光斑90%的能量集中在最大相干长度内,且各视场能量分布均匀。该研究为天线的光学参量和结构参量合理化设计提供了理论依据。
[Abstract]:In order to improve the environmental adaptability of optical system, a refracted optical antenna is designed by means of optical machine combined with passive thermal difference. The image quality of the antenna designed in the range of -45 鈩,
本文编号:2403226
[Abstract]:In order to improve the environmental adaptability of optical system, a refracted optical antenna is designed by means of optical machine combined with passive thermal difference. The image quality of the antenna designed in the range of -45 鈩,
本文编号:2403226
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