Changchun Institute of Optics,Fine Mechanics and Physics,CAS
Method to determine vertex radius of off-axis aspheric mirror based on surface fitting | |
Guo L.; Ren J.; Zhang X.; Zhang L.; Zhao Q.; Wu Z. | |
2014 | |
发表期刊 | Hongwai yu Jiguang Gongcheng/Infrared and Laser Engineering |
ISSN | ISBN/10072276 |
卷号 | 43期号:8页码:2694-2698 |
摘要 | In order to obtain an accurate vertex radius of large-diameter, off-axis aspheric mirrors, a method to determine the geometric parameters of aspheric optical surface based on surface fitting was presented. The accurate aspheric equation under the measuring coordinate system was constructed and an iterative nonlinear least-squares fitting algorithm was given here. Besides, the end surface of the compensator was used to derive the direction of optical axis and then to give appropriate initial values of the surface fitting. The experiments on measured data show that R-square is close to 1 while the root mean square error (RMSE) is about 0.002 6 mm. At the same time, the deviation of the calculated result from the designed value is just 0.018 8% for vertex radius. The method can be utilized to measure and analyze the geometric parameters of aspheric surface-vertex radius for example. It can provide valid data support for the following optical-mechanical assembly. |
收录类别 | EI |
语种 | 中文 |
文献类型 | 期刊论文 |
条目标识符 | http://ir.ciomp.ac.cn/handle/181722/44159 |
专题 | 中科院长春光机所知识产出 |
推荐引用方式 GB/T 7714 | Guo L.,Ren J.,Zhang X.,et al. Method to determine vertex radius of off-axis aspheric mirror based on surface fitting[J]. Hongwai yu Jiguang Gongcheng/Infrared and Laser Engineering,2014,43(8):2694-2698. |
APA | Guo L.,Ren J.,Zhang X.,Zhang L.,Zhao Q.,&Wu Z..(2014).Method to determine vertex radius of off-axis aspheric mirror based on surface fitting.Hongwai yu Jiguang Gongcheng/Infrared and Laser Engineering,43(8),2694-2698. |
MLA | Guo L.,et al."Method to determine vertex radius of off-axis aspheric mirror based on surface fitting".Hongwai yu Jiguang Gongcheng/Infrared and Laser Engineering 43.8(2014):2694-2698. |
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基于曲面拟合的离轴非球面镜顶点半径计算方(985KB) | 开放获取 | CC BY-ND | 浏览 下载 |
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