大口径球面反射镜曲率半径的精确测量

陈宝刚 Chen Bao-gang, 明. M. Ming, 吕. L. Tian-yu
{"title":"大口径球面反射镜曲率半径的精确测量","authors":"陈宝刚 Chen Bao-gang, 明. M. Ming, 吕. L. Tian-yu","doi":"10.3788/CO.20140701.0163","DOIUrl":null,"url":null,"abstract":"Conventional testing methods for the curvature radius of spherical mirror with large aperture are introduced briefly,and a novel method using combined rods and laser interferometer is proposed. Firstly,the surface figure of spherical mirror is tested with laser interferometer. The position of interferometer and tested mirror is adjusted to make the focus of the exit wave front and the center of curvature of tested mirror to be confocal. Then the suitable combined rods are setup,and the position of probe spheric head which is close to interferometer is adjusted to make the focus of the exit wave front and the center of the probe spheric head confocal. Next,another probe spheric head is adjusted to contact the surface of the tested mirror. The curvature radius of the spheric mirror can be calculated by the data. The basic principle of the testing method is analyzed. A telescope spheric primary mirror with a aperture of 600 mm is tested many times with this method. The average radius of curvature is calculated to be 2 836. 774 mm,and the root mean square is 0. 071 mm. Finally,the measurement uncertainty of this method is analyzed,and the main factors affecting the measurement accuracy are found out,and the composed standard uncertainty is 0. 061 mm.","PeriodicalId":10133,"journal":{"name":"Chinese Journal of Optics and Applied Optics","volume":"20 1","pages":"163-168"},"PeriodicalIF":0.0000,"publicationDate":"2014-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"2","resultStr":"{\"title\":\"Precise measurement of curvature radius for spherical mirror with large aperture\",\"authors\":\"陈宝刚 Chen Bao-gang, 明. M. Ming, 吕. L. Tian-yu\",\"doi\":\"10.3788/CO.20140701.0163\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"Conventional testing methods for the curvature radius of spherical mirror with large aperture are introduced briefly,and a novel method using combined rods and laser interferometer is proposed. Firstly,the surface figure of spherical mirror is tested with laser interferometer. The position of interferometer and tested mirror is adjusted to make the focus of the exit wave front and the center of curvature of tested mirror to be confocal. Then the suitable combined rods are setup,and the position of probe spheric head which is close to interferometer is adjusted to make the focus of the exit wave front and the center of the probe spheric head confocal. Next,another probe spheric head is adjusted to contact the surface of the tested mirror. The curvature radius of the spheric mirror can be calculated by the data. The basic principle of the testing method is analyzed. A telescope spheric primary mirror with a aperture of 600 mm is tested many times with this method. The average radius of curvature is calculated to be 2 836. 774 mm,and the root mean square is 0. 071 mm. Finally,the measurement uncertainty of this method is analyzed,and the main factors affecting the measurement accuracy are found out,and the composed standard uncertainty is 0. 061 mm.\",\"PeriodicalId\":10133,\"journal\":{\"name\":\"Chinese Journal of Optics and Applied Optics\",\"volume\":\"20 1\",\"pages\":\"163-168\"},\"PeriodicalIF\":0.0000,\"publicationDate\":\"2014-01-01\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"2\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"Chinese Journal of Optics and Applied Optics\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://doi.org/10.3788/CO.20140701.0163\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"\",\"JCRName\":\"\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"Chinese Journal of Optics and Applied Optics","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.3788/CO.20140701.0163","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
引用次数: 2

摘要

简要介绍了大口径球面反射镜曲率半径的传统测试方法,提出了一种采用杆与激光干涉仪相结合的新方法。首先,用激光干涉仪对球面反射镜的表面形貌进行了测试。调整干涉仪与被测镜的位置,使出波前的焦点与被测镜的曲率中心共聚焦。然后设置合适的组合杆,调整靠近干涉仪的探头球头位置,使出波前的焦点与探头球头中心共聚焦。接下来,调整另一个探针球头以接触被测镜的表面。利用这些数据可以计算出球面反射镜的曲率半径。分析了该测试方法的基本原理。用该方法对口径为600 mm的望远镜球面主镜进行了多次测试。计算出平均曲率半径为2836。774 mm,均方根为0。071毫米。最后,对该方法的测量不确定度进行了分析,找出了影响测量精度的主要因素,组成的标准不确定度为0。061毫米。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Precise measurement of curvature radius for spherical mirror with large aperture
Conventional testing methods for the curvature radius of spherical mirror with large aperture are introduced briefly,and a novel method using combined rods and laser interferometer is proposed. Firstly,the surface figure of spherical mirror is tested with laser interferometer. The position of interferometer and tested mirror is adjusted to make the focus of the exit wave front and the center of curvature of tested mirror to be confocal. Then the suitable combined rods are setup,and the position of probe spheric head which is close to interferometer is adjusted to make the focus of the exit wave front and the center of the probe spheric head confocal. Next,another probe spheric head is adjusted to contact the surface of the tested mirror. The curvature radius of the spheric mirror can be calculated by the data. The basic principle of the testing method is analyzed. A telescope spheric primary mirror with a aperture of 600 mm is tested many times with this method. The average radius of curvature is calculated to be 2 836. 774 mm,and the root mean square is 0. 071 mm. Finally,the measurement uncertainty of this method is analyzed,and the main factors affecting the measurement accuracy are found out,and the composed standard uncertainty is 0. 061 mm.
求助全文
通过发布文献求助,成功后即可免费获取论文全文。 去求助
来源期刊
自引率
0.00%
发文量
0
×
引用
GB/T 7714-2015
复制
MLA
复制
APA
复制
导出至
BibTeX EndNote RefMan NoteFirst NoteExpress
×
提示
您的信息不完整,为了账户安全,请先补充。
现在去补充
×
提示
您因"违规操作"
具体请查看互助需知
我知道了
×
提示
确定
请完成安全验证×
copy
已复制链接
快去分享给好友吧!
我知道了
右上角分享
点击右上角分享
0
联系我们:info@booksci.cn Book学术提供免费学术资源搜索服务,方便国内外学者检索中英文文献。致力于提供最便捷和优质的服务体验。 Copyright © 2023 布克学术 All rights reserved.
京ICP备2023020795号-1
ghs 京公网安备 11010802042870号
Book学术文献互助
Book学术文献互助群
群 号:481959085
Book学术官方微信