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Role of ReOx Species in Ni-Re/Al2O3 Catalyst for Amination of Monoethanolamine 期刊论文  OAI收割
JOURNAL OF PHYSICAL CHEMISTRY C, 2018, 卷号: 122, 期号: 40, 页码: 23011-23025
作者:  
Ma, L;  Sun, KJ;  Luo, M;  Yan, L;  Jiang, Z
  |  收藏  |  浏览/下载:40/0  |  提交时间:2019/12/17
Design and tolerance analysis of compensator for high order aspheric surface testing (EI CONFERENCE) 会议论文  OAI收割
2009 International Conference on Optical Instruments and Technology - Optoelectronic Measurement Technology and Systems, October 19, 2009 - October 22, 2009, Shanghai, China
作者:  
Chen X.;  Liu W.;  Chen X.;  Chen X.
收藏  |  浏览/下载:30/0  |  提交时间:2013/03/25
High accuracy is required in surface testing of 90nm nodal point lithography projecting lens. By comparing various aspheric surface testing methods  the structure layout of the compensator is a meniscus positive lens combined with a Plano-convex positive lens. The design results indicate that: primary and high order aberrations are balanced well  we adopt Offner null compensator to test the aspheric surface in the point diffraction interferometer at last. In this paper  MTF exceeds diffraction limit  an Offner compensator is presented on the base of the third order aberration theory to test concave aspheric surface  root-mean-square (RMS) of wave front error /167. The F-number of the system can achieve F/1.64. By the analysis of the process of aspheric surface testing with the designed system  the optical construction parameters of which is determined by introducing equal-quantities spherical aberration to compensate all orders of aspheric coefficients. The field of view of the system is 0.02  a loosen distribution of the tolerance was presented based on the accuracy of measuring apparatus. 2009 SPIE.  
Based on Householder transform of the Zernike polynomial wave front fitting method to solve active optics correction force (EI CONFERENCE) 会议论文  OAI收割
Infrared Materials, Devices, and Applications, November 12, 2007 - November 15, 2007, Beijing, China
作者:  
Wu X.-X.
收藏  |  浏览/下载:28/0  |  提交时间:2013/03/25
Corrective force solving is a critical technology of the active optics. A method to solve active optics corrective force is introduced  which is based on Householder transform of Zernike polynomial wave front fitting  this method is different from the traditional least square method and Gram-Schmid orthogonal method  because it does not bring ill-conditioned polynomial without constructing normal equation  so it can avoid calculation error  wave front fitting is precision. Based on the coefficient of the Zernike polynomial and the response function of the each actuator  the stiffness matrix of the primary mirror is built  and then adopting the damp least square method to calculate corrective force. Based on this method  cp400m test mirror is simulated many times  the calculation result approve: if the Householder transform is adopted  wave front fitting is precision  the result is stabilization and corrective effectiveness is better.  
Application of amplitude ratio profiles extracted with prestack Kirchhoff integral migration 期刊论文  OAI收割
PETROLEUM SCIENCE, 2007, 卷号: 4, 期号: 1, 页码: 36-40
作者:  
Wu Zhiqin;  Wang Shangxu;  Zhang Shaohong;  Wang Yun;  Wang Pengcheng
  |  收藏  |  浏览/下载:25/0  |  提交时间:2018/09/26
Application of amplitude ratio profiles extracted with prestack Kirchhoff integral migration 期刊论文  OAI收割
PETROLEUM SCIENCE, 2007, 卷号: 4, 期号: 1, 页码: 36-40
作者:  
Wu Zhiqin;  Wang Shangxu;  Zhang Shaohong;  Wang Yun;  Wang Pengcheng
  |  收藏  |  浏览/下载:23/0  |  提交时间:2018/09/26