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浏览/检索结果: 共12条，第1-10条 帮助

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Modeling the modulation transfer function measurement system of large aperture space cameras 会议论文  OAI收割
Shanghai, China, 2021-10-28
作者:  Liu, Shangkuo;  Wang, Zhengfeng;  Cao, Kun;  Wang, Tao;  Zhou, Yan
  |  收藏  |  浏览/下载：65/0  |  提交时间：2022/03/18
High-Precision Calibration Algorithm for Large Field-of-View Polarization-Modulated 3D Imaging 期刊论文  OAI收割
IEEE Photonics Technology Letters, 2019, 卷号: 31, 期号: 13, 页码: 1064-1067
作者:  Wang, Shengjie;  Liu, Bo;  Chen, Zhen;  Li, Heping
  |  收藏  |  浏览/下载：22/0  |  提交时间：2021/05/06
Optimum design for a novel large mode area fiber with triangle-platform-index core 期刊论文  OAI收割
MODERN PHYSICS LETTERS B, 2019, 卷号: 33, 期号: 18
作者:  Miao, Xiaofang;  Wu, Peng;  Zhao, Baoyin
  |  收藏  |  浏览/下载：58/0  |  提交时间：2019/07/19
The gold nanoparticle springs' spectrum modulation 期刊论文  OAI收割
MATERIALS RESEARCH EXPRESS, 2018, 卷号: 5, 期号: 11, 页码: 10
作者:  Wang, Zhenyu;  Ouyang, Xinrong;  Liu, Jing;  Xiong, Bin;  Wen, Xiaodong
  |  收藏  |  浏览/下载：190/0  |  提交时间：2019/05/23
开放式数字印刷控制系统中的关键技术研究 学位论文  OAI收割
工学博士, 中国科学院自动化研究所: 中国科学院大学, 2014
作者:  胡建华
收藏  |  浏览/下载：83/0  |  提交时间：2015/09/02
Influence of mode q factor and absorption loss on dynamical characteristics for semiconductor microcavity lasers by rate equation analysis 期刊论文  iSwitch采集
Ieee journal of quantum electronics, 2011, 卷号: 47, 期号: 12, 页码: 1519-1525
作者:  Lv, Xiao-Meng;  Zou, Ling-Xiu;  Huang, Yong-Zhen;  Yang, Yue-De;  Xiao, Jin-Long
收藏  |  浏览/下载：38/0  |  提交时间：2019/05/12
Design of reimaging F/1.0 long-wavelength infrared optical system (EI CONFERENCE) 会议论文  OAI收割
International Symposium on Photoelectronic Detection and Imaging 2011: Advances in Infrared Imaging and Applications, May 24, 2011 - May 24, 2011, Beijing, China
作者:  Zhang X.;  Zhang X.;  Zhang X.
收藏  |  浏览/下载：42/0  |  提交时间：2013/03/25
A reimaging F/1.0 long-wavelength infrared optical system is proposed. The design has a flexible opto-mechanical layout. The design process is as follows. Firstly  the catadioptric reimaging system consists of two reflecting mirrors and a relay lenses. Two reflecting mirrors make up of the first imaging system and are therefore free of chromatic aberrations  while low dispersion lenses were used in the reimaging system  so the optical system do not need achromatic design for a high image quality. Then  to correct high-order aberrations resulting from large relative aperture  more parameters need to be used with aspheric or diffractive surfaces due to modern optic technology development. Here  aspheric is selected for easily manufacture. Finally  the design is completed with the help of ZEMAX software. The effective focal length of the objective is 120mm and the field of view (FOV) is 4. The simulated final design shows adequate image quality and the modulation transfer function (MTF) is close to diffraction limit. The effect of the surrounding environmental temperature is analyzed using the concept of thermal defocusing  and the thermal compensation is discussed. 2011 Copyright Society of Photo-Optical Instrumentation Engineers (SPIE).  
Influence of Mode Q Factor and Absorption Loss on Dynamical Characteristics for Semiconductor Microcavity Lasers by Rate Equation Analysis 期刊论文  OAI收割
ieee journal of quantum electronics, 2011, 卷号: 47, 期号: 12, 页码: 1519-1525
Lv, XM; Zou, LX; Huang, YZ; Yang, YD; Xiao, JL; Yao, QF; Lin, JD
收藏  |  浏览/下载：33/0  |  提交时间：2012/02/06
Optical system of large relative aperture and wide field using aspheric corrector for detecting (EI CONFERENCE) 会议论文  OAI收割
4th International Symposium on Advanced Optical Manufacturing and Testing Technologies: Advanced Optical Manufacturing Technologies, November 19, 2008 - November 21, 2008, Chengdu, China
作者:  Zhang J.;  Zhang J.;  Zhang J.;  Wang J.
收藏  |  浏览/下载：25/0  |  提交时间：2013/03/25
The magnitude requirement of space target detecting determines that the image of detecting telescope should have several performances: small spots  the wider field of view  small 80% encircled energy diameter and good MTF(Modulation transfer function). So the aperture and field of view of optical system have some demands accordingly. The larger aperture  the more extensive range which the telescope searches. Now most of ground telescopes whose apertures are from 500mm to 1000mm is on-axis optical system  the more energy that telescope collects and higher magnitude the telescope detects  so wide field of view becomes the most importance problem. To obtain large relative aperture and wide field of view  the paper introduces a catadioptric telescope with small aperture aspheric refractive corrector  whose conic surface will be used to remove the aberrations due to large relative aperture and wide field of view. As to the optical system  there is only one aspheric refractive corrector  and it is relatively easy for manufacturing because of its concave figure and normal material. The paper gives the example  and optimizes this optical system with ZEMAX program. And then the paper provides a specific analysis program for testing the aspheric refractive corrector. The aperture of this optical system is 750mm  and its relative aperture is 0.82  and the field of view is 3.6 diameter(diagonal). Its structure is simple and the image quality is also very good. 2009 SPIE.  
强外加电场与大调制度下光折变动力学光栅形成研究 期刊论文  OAI收割
光学学报, 2007, 卷号: 27, 期号: 1, 页码: 148, 154
李大汕; 刘立人; 刘德安; 闫爱民; 栾竹
收藏  |  浏览/下载：1260/223  |  提交时间：2009/09/18