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Proceedings Paper

Numerical analysis of compound aspheric lens design and fabrication
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Paper Abstract

This paper discussed the scheme of modeling compound aspheric components during the optimization process. First, the method to model the refractive index and thickness changes of the resin layer induced in the injection-mold process is described. It demonstrated the available constraints upon the refractive index difference between the resin and the glass during the optimization run. The tolerance aspects of such components are then investigated, including the refractive index and thickness of the resin layer, as well as the conventional surface roughness, element position and rotation errors, and surface slope errors; especially for the centering tolerance. It is shown that the approximate model might be useful for different combinations with UV-curable resins and glasses for aspheric lens design and fabrication. An objective for optical pickup system comprising one compound aspheric surface is designed with the scheme.

Paper Details

Date Published: 1 February 2006
PDF: 6 pages
Proc. SPIE 6034, ICO20: Optical Design and Fabrication, 60341S (1 February 2006); doi: 10.1117/12.668166
Show Author Affiliations
Xuemin Cheng, Graduate School at Shenzhen/Tsinghua Univ. (China)
Duanyi Xu, Tsinghua Univ. (China)
Qun Hao, Beijing Institute of Technology (China)

Published in SPIE Proceedings Vol. 6034:
ICO20: Optical Design and Fabrication
James Breckinridge; Yongtian Wang, Editor(s)

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