机构

• 西安光学精密机械研究... [2]
• 长春光学精密机械与物... [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

• 2022 [1]
• 2021 [1]
• 2013 [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 Research on selection of high intensity laser beam expanding system 会议论文  OAI收割 Kunming, China, 2021-12-07 作者:  Gao, Na;  Zhang, XiangHui;  Liu, Jie;  Shen, ZeYi;  Xin, Wei   |  收藏  |  浏览/下载：49/0  |  提交时间：2022/04/27 beam expander  reflecting system  refraction system  off-axis,coaxial   Design of image-side telecentric off-axis three-mirror anastigmatic systems based on the coaxial parent mirrors 期刊论文  OAI收割 Optik, 2021, 卷号: 241 作者:  Li, Xijie;  Zou, Chunbo;  Yang, Jiating   |  收藏  |  浏览/下载：39/0  |  提交时间：2021/05/24 Optical system design  Anastigmatism design method  Coaxial parent mirrors  Off-axis anastigmatism balance conditions   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：33/0  |  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.