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浏览/检索结果: 共37条，第1-10条 帮助 条数/页： 5101520253035404550556065707580859095100 排序方式： 请选择题名升序题名降序提交时间升序提交时间降序作者升序作者降序发表日期升序发表日期降序 Optical design and implementation of a compact and long focal length imaging system 期刊论文  OAI收割 OPTICS AND LASERS IN ENGINEERING, 2023, 卷号: 163 作者:  Zhong, Yue;  Chang, Jun;  Zhao, Xuehui;  Du, Shan;  Mu, Yu   |  收藏  |  浏览/下载：38/0  |  提交时间：2023/02/22 All-spherical systems  Long focal length  Optical design   Efficient two-step focal length calibration of space zoom camera without targets 期刊论文  OAI收割 OPTICAL ENGINEERING, 2021, 卷号: 60, 期号: 11 作者:  Wang, Hao;  Peng, Jianwei;  Zeng, Hong;  Zhang, Gaopeng;  Wang, Feng   |  收藏  |  浏览/下载：58/0  |  提交时间：2021/12/10 computer vision  camera calibration  focal length  vanishing points  space zoom camera   Distortion measurement of optical system using phase diffractive beam splitter 期刊论文  OAI收割 Optics Express, 2019, 卷号: 27, 期号: 21, 页码: 29803-29816 作者:  F.Wang;  Z.Y.Zhang;  R.Q.Wang;  X.F.Zeng;  X.Yang   |  收藏  |  浏览/下载：21/0  |  提交时间：2020/08/24 camera calibration,centroid detection,focal length,performance,elements,Optics   Design of a long focal length mid-wavelength infrared optical system 会议论文  OAI收割 Nanjing, PEOPLES R CHINA, 2017-10-24 作者:  Duan Jing;  Zhang Zhanpeng;  Liu Kai;  Shan Qiusha;  Jiang Kai   |  收藏  |  浏览/下载：49/0  |  提交时间：2018/07/05 Long Focal Length  Optical Design  Infrared Technology  Refractive Structure   Improvement in focusing accuracy of DNA sequencing microscope with multi-position laser differential confocal autofocus method 期刊论文  OAI收割 Optics Express, 2018, 卷号: 26, 期号: 2, 页码: 895-904 作者:  Zhang, X.;  Zeng, F.;  Li, Y.;  Qiao, Y. F.   |  收藏  |  浏览/下载：16/0  |  提交时间：2019/09/17 focal-length measurement  biological nanopore  radius measurement  system  Optics   Planar binary-phase lens for super-oscillatory optical hollow needles 期刊论文  OAI收割 Scientific Reports, 2017, 卷号: 7 作者:  Chen, Gang;  Wu, Zhixiang;  Yu, Anping;  Zhang, Kun;  Wu, Jing   |  收藏  |  浏览/下载：47/0  |  提交时间：2018/11/20 DIFFRACTION-FREE BEAMS  LONG FOCAL LENGTH  POLARIZED-LIGHT  NONDIFFRACTING BEAMS  GENERATION  AMPLITUDE  BESSEL  CREATION  OPTIMIZATION  MODULATION   Creation of Sub-diffraction Longitudinally Polarized Spot by Focusing Radially Polarized Light with Binary Phase Lens 期刊论文  OAI收割 SCIENTIFIC REPORTS, 2016, 卷号: 6 作者:  Yu, An-ping;  Chen, Gang;  Zhang, Zhi-hai;  Wen, Zhong-quan;  Dai, Lu-ru   |  收藏  |  浏览/下载：45/0  |  提交时间：2018/06/14 Super-oscillatory Lens  Long Focal Length  Modulation  Generation  Amplitude  Optimization  Microscope  Needles  Beams  Field   Generation of a sub-diffraction hollow ring by shaping an azimuthally polarized wave 期刊论文  OAI收割 SCIENTIFIC REPORTS, 2016, 卷号: 6 作者:  Chen, Gang;  Wu, Zhi-Xiang;  Yu, An-ping;  Zhang, Zhi-hai;  Wen, Zhong-quan   |  收藏  |  浏览/下载：44/0  |  提交时间：2018/06/14 Super-oscillatory Lens  Cylindrical-vector Beams  Long Focal Length  Phase Modulation  Far-field  Light  Amplitude  Binary  Spot  Superresolution   Snake-search algorithm for stereo vision reconstruction via monocular system 会议论文  OAI收割 2015 IEEE International Conference on Cyber Technology in Automation, Control, and Intelligent Systems (CYBER), Shenyang, China, June 8-12, 2015 作者:  Zhang Y(张阳);  Leng YQ(冷雨泉);  He X(何旭);  Qi, Keqi 收藏  |  浏览/下载：24/0  |  提交时间：2016/03/12 Monocular  Stereo Vision  Distinct focal length  Snake-search   Advanced astigmatism-corrected tandem Wadsworth mounting for small-scale spectral broadband imaging spectrometer (EI CONFERENCE) 会议论文  OAI收割 作者:  Lin G.-Y. 收藏  |  浏览/下载：41/0  |  提交时间：2013/03/25 Tandem gratings of double-dispersion mount make it possible to design an imaging spectrometer for the weak light observation with high spatial resolution  high spectral resolution  and high optical transmission efficiency. The traditional tandem Wadsworth mounting is originally designed to match the coaxial telescope and large-scale imaging spectrometer. When it is used to connect the off-axis telescope such as off-axis parabolic mirror  it presents lower imaging quality than to connect the coaxial telescope. It may also introduce interference among the detector and the optical elements as it is applied to the short focal length and small-scale spectrometer in a close volume by satellite. An advanced tandem Wadsworth mounting has been investigated to deal with the situation. The Wadsworth astigmatism-corrected mounting condition for which is expressed as the distance between the second concave grating and the imaging plane is calculated. Then the optimum arrangement for the first plane grating and the second concave grating  which make the anterior Wadsworth condition fulfilling each wavelength  is analyzed by the geometric and first order differential calculation. These two arrangements comprise the advanced Wadsworth mounting condition. The spectral resolution has also been calculated by these conditions. An example designed by the optimum theory proves that the advanced tandem Wadsworth mounting performs excellently in spectral broadband. 2012 Optical Society of America.