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Error-based feedforward control for a charge-coupled device tracking system 期刊论文  OAI收割
IEEE Transactions on Industrial Electronics, 2019, 卷号: 66, 期号: 10, 页码: 8172-8180
作者:  
Tang, Tao;  Yang, Tao;  Qi, Bo;  Ren, Ge;  Bao, Qiliang L.
  |  收藏  |  浏览/下载:36/0  |  提交时间:2021/05/06
Combined line-of-sight error and angular position to generate feedforward control for a charge-coupled device-based tracking loop 期刊论文  OAI收割
OPTICAL ENGINEERING, 2015, 卷号: 54, 期号: 10
作者:  
Tang, Tao;  Cai, Huaxiang;  Huang, Yongmei;  Ren, Ge
收藏  |  浏览/下载:24/0  |  提交时间:2016/02/03
Nanoscale patterns made by using a 13.5-nm Schwarzschild objective and a laser produced plasma source (EI CONFERENCE) 会议论文  OAI收割
Optical Micro- and Nanometrology IV, April 16, 2012 - April 18, 2012, Brussels, Belgium
作者:  
Wang X.;  Wang X.;  Wang X.;  Wang Z.;  Wang Z.
收藏  |  浏览/下载:37/0  |  提交时间:2013/03/25
Lithium fluoride (LiF) crystal is a very promising candidate as nanometer resolution EUV and soft X-ray detector. Compared with other EUV and soft X-ray detectors  charge coupled device and photographic films  LiF crystal has high resolution  large field of view and wide dynamic range. In this paper  using LiF crystal as EUV detector and a Schwarzschild objective (SO) working at 13.5nm as projection optics  mesh images with 4.2 m  1.2 m and 800 nm line width and pinhole patterns with 1.5m diameter are acquired in projection imaging mode and direct writing mode  respectively. Fluorescence intensity profiles of images show that the resolution of mesh image is 900 nm  and the one of pinhole image is 800 nm. In the experiments  a spherical condense mirror based on normal incidence type is used to eliminate the damage and contamination on the masks (mesh and pinhole) caused by the laser plasma  and the energy density is not decreased compared with that the masks are close to the plasma. The development of the SO  the alignment of the objective and the imaging experiments are also reported. 2012 Copyright Society of Photo-Optical Instrumentation Engineers (SPIE).  
Compensating for some errors related to time delay in a charge-coupled-device-based fast steering mirror control system using a feedforward loop 期刊论文  OAI收割
OPTICAL ENGINEERING, 2010, 卷号: 49, 期号: 7
作者:  
Tang, Tao;  Ma, Jiaguang;  Ren, Ge;  Fu, Chenyu
收藏  |  浏览/下载:26/0  |  提交时间:2015/09/21
Analysis of applying SBUVICCD to corona detection (EI CONFERENCE) 会议论文  OAI收割
International Symposium on Photoelectronic Detection and Imaging 2007 - Laser, Ultraviolet, and Terahertz Technology, September 9, 2007 - September 12, 2007, Beijing, China
作者:  
Yan F.;  Yang H.;  Zhao Y.;  Zhao Y.;  Zhao Y.
收藏  |  浏览/下载:25/0  |  提交时间:2013/03/25
Using solar blind ultraviolet (SBUV) spectral light imaging technology to detect corona is a kind of advanced technology this time. Corona can be detected and imaged by using solar blind ultraviolet intensifier charge coupled device (SBUVICCD) without complex background to be processed. In this paper how to use ICCD to detect corona was analyzed. Imaging process of Gen II SBUVICCD was introduced and what will be noted during design instruments based on SBUVICCD to detect corona was also discussed. Some methods for deciding corona discharge level by using images from SBUVICCD were discussed sequentially. Finally  some corona pictures taken by using SBUVICCD were shown and expressed to support the items mentioned above. The result shows that SBUVICCD is suitable for corona detection in site.