卡塞格林望远镜耦合系统锥形导管的仿真与误差分析

张鹏飞, 王志斌, 李晓, 王立福

张鹏飞, 王志斌, 李晓, 王立福. 卡塞格林望远镜耦合系统锥形导管的仿真与误差分析[J]. 应用光学, 2014, 35(3): 432-437.
引用本文: 张鹏飞, 王志斌, 李晓, 王立福. 卡塞格林望远镜耦合系统锥形导管的仿真与误差分析[J]. 应用光学, 2014, 35(3): 432-437.
ZHANG Peng-fei, WANG Zhi-bin, LI Xiao, WANG Li-fu. Simulation and tolerance analysis of axicon duct for coupling Cassegrain telescope into multimode fiber[J]. Journal of Applied Optics, 2014, 35(3): 432-437.
Citation: ZHANG Peng-fei, WANG Zhi-bin, LI Xiao, WANG Li-fu. Simulation and tolerance analysis of axicon duct for coupling Cassegrain telescope into multimode fiber[J]. Journal of Applied Optics, 2014, 35(3): 432-437.

卡塞格林望远镜耦合系统锥形导管的仿真与误差分析

详细信息
    通讯作者:

    张鹏飞(1986-),男,湖北大冶人,硕士研究生,主要从事光学设计,数据采集方面的研究工作。 Email:dyzpf1986@gmail.com

  • 中图分类号: TM248.1

Simulation and tolerance analysis of axicon duct for coupling Cassegrain telescope into multimode fiber

  • 摘要: 为了提高卡塞格林望远镜像斑耦合多模光纤的效率,采用一种在光纤前端放置锥形导管的方法,利用光线在锥形导管中经过多次内全反射耦合进多模光纤中,通过几何光学理论及数值方法分析卡塞格林零视场光束像点的最大耦合角,确定锥形导管初始结构参数。将此参数作为Zemax仿真的初始条件,进行优化仿真计算和误差分析。结果表明:加工误差控制在0.03 mm之内,采用锥形导管后可以使像斑整体耦合效率较直接耦合提高4倍以上。
    Abstract: In order to improve the efficiency of coupling Cassegrain telescope image disk into multimode fiber, we put forward a new method of putting an axicon duct close to the import of multimode fiber. By using total internal reflection several times in axicon duct, the rays could rip into multimode fiber. To determine the initial structural parameters of axicon duct, we analyzed the maximum coupling angle of image spot of Cassegrain at 0 field of view(FOV) by employing geometrical optical theory and numerical method. These parameters were used as the initial conditions of simulation in Zemax. After simulation optimization and tolerance analysis, the conclusions show that when the fabrication tolerance is controlled in 0.03mm, the coupling efficiency of image spot at full FOV is at least 4 times as the direct coupling.
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  • 刊出日期:  2014-05-14

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