机构

• 长春光学精密机械与物... [2]
• 遥感与数字地球研究所 [1]

采集方式

• OAI收割 [3]

内容类型

• 会议论文 [2]
• 期刊论文 [1]

发表日期

• 2018 [1]
• 2011 [1]
• 2010 [1]

学科主题

筛选

浏览/检索结果: 共3条，第1-3条 帮助 条数/页： 5101520253035404550556065707580859095100 排序方式： 请选择题名升序题名降序发表日期升序发表日期降序提交时间升序提交时间降序作者升序作者降序 Preparation and Spectrum Characterization of a High Quality Linear Variable Filter 期刊论文  OAI收割 Coatings, 2018, 卷号: 8, 期号: 9, 页码: 11 作者:  Tang, H. L.;  Gao, J. S.;  Zhang, J.;  Wang, X. Y.;  Fu, X. H.   |  收藏  |  浏览/下载：18/0  |  提交时间：2019/09/17 linear variable filter  coatings  dual ion beam sputtering  film  thickness correction  spectrum analysis  bandpass-filters  optical-properties  fabrication  resolution  coatings  ta2o5  angle  mask  Materials Science   A METHOD FOR THE RETRIEVAL OF AEROSOL OPTICAL THICKNESS ON CBERS DATA FROM TOP-OF-ATMOSPHERE RADIANCE 会议论文  OAI收割 2011 Ieee International Geoscience and Remote Sensing Symposium, New York Zhang, Xin; Zhao, Xiang; Li, Bing; Hu, Ni; Li, Qing; Liu, Suhong 收藏  |  浏览/下载：34/0  |  提交时间：2014/12/07 Aerosol Optical Thickness  CBERS  Atmospheric Correction  Surface  Reflectance  IMAGERY   Research of active supporting technology based on 400mm thin mirror (EI CONFERENCE) 会议论文  OAI收割 5th International Symposium on Advanced Optical Manufacturing and Testing Technologies: Large Mirrors and Telescopes, April 26, 2010 - April 29, 2010, Dalian, China 作者:  Liu X.-Y.;  Wang J.-L.;  Wang J.-L.;  Liu X.-Y. 收藏  |  浏览/下载：34/0  |  提交时间：2013/03/25 Using a spherical mirror of 400mm diameter and 12mm thickness  active supporting technology of thin mirror is researched. The axial support of the mirror is composed of 12 active supports and 3 fixed supports. The force actuator  which is composed of displacement actuator and force sensor  is installed in the active support. The mirror surface is tested by Zygo interferometer. For calibration  each actuator exerts unit force alone  and the surface variation is tested and taken as the response function of the actuator. The response functions of all actuators compose the stiffness matrix. Then the stiffness matrix is used by damped least square method to determine the correction force of each active support. In order to analyze the correction capability of the active supports  14 Zernike modes of the mirror surface are generated and tested respectively  and 7 modes are selected for correction. Initially  the RMS error of mirror surface is 1.16 I( =0.6328nm)when all actuators exert the same force. After 5 iterations  the RMS error of mirror surface is reduced to 0.13  close to the original surface quality. 2010 Copyright SPIE - The International Society for Optical Engineering.