1.

Conference Proceedings
Conference Proceedings
1. Performance test of focusing optics based on the Hartmann principle
Liu, D. ; Yan, Y. ; Ren, B. ; Zhao, Y. ; Huang, L. ; Huang, H. ; Zhang, W. ; Xu, D. ; Wang, X.
Pub. info.: Optical design and testing II : 8-12 November 2004, Beijing, China.  pp.729-738,  2004.  Bellingham, Wash..  SPIE - The International Society of Optical Engineering
Title of ser.: Proceedings of SPIE - the International Society for Optical Engineering
Ser. no.: 5638
2.

Conference Proceedings
Conference Proceedings
2. Analysis for the characteristic of a four-quadrant photo-detector applied to a novel laser aligning system [6150-121]
Wang, X. ; Xu, D. ; Tan, M. ; Liu, Y
Pub. info.: 2nd International Symposium on Advanced Optical Manufacturing and Testing Technologies: Optical Test and Measurement Technology and Equipment.  pp.61504V-,  2006.  Bellingham, Wash..  SPIE - The International Society of Optical Engineering
Title of ser.: Proceedings of SPIE - the International Society for Optical Engineering
Ser. no.: 6150