1.

Conference Proceedings
Conference Proceedings
1. Improving the measuring accuracy of laser autocollimator used over long distance
Zhao, M.R. ; Lin, Y.C. ; Zhang, P. ; Qi, Y.Y.
Pub. info.: Optical design and testing : 15-18 October 2002, Shanghai, China.  pp.300-304,  2002.  Bellingham, Wash..  SPIE-The International Society for Optical Engineering
Title of ser.: Proceedings of SPIE - the International Society for Optical Engineering
Ser. no.: 4927
2.

Conference Proceedings
Conference Proceedings
2. Surface measurement using improved crossed-optical-axes geometry
Lin, Y.C. ; Niu, X.B. ; Cheng, D.M. ; Zhao, M.R. ; Sun, Z.Y. ; Zhang, Y.X.
Pub. info.: Optical manufacturing technologies : 17-18 October 2002, Shanghai, China.  pp.43-46,  2002.  Bellingham, Wash..  SPIE-The International Society for Optical Engineering
Title of ser.: Proceedings of SPIE - the International Society for Optical Engineering
Ser. no.: 4921