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Proceedings Paper

Concept and application of virtual normal surface
Author(s): Chengliang Wang; Shengli Sun
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Paper Abstract

A new optical surface, Virtual Normal Surface (VNS) model is constructed in concept. With the special surface type, a lens in double-pass can be turned into single pass configuration in optical software, which makes the modeling the optical system easier. The VNS is realized in optical software ZEMAX. The normal aberration of an aspheric surface is simulated and visualized in ZEMAX with the VNS. VNS can also be used in modeling null corrector, which makes optimizing, applying constraints to lens data, and tolerance analysis more quickly and easier.

Paper Details

Date Published: 10 February 2005
PDF: 5 pages
Proc. SPIE 5638, Optical Design and Testing II, (10 February 2005); doi: 10.1117/12.573847
Show Author Affiliations
Chengliang Wang, Shanghai Institute of Technical Physics (China)
Shengli Sun, Shanghai Institute of Technical Physics (China)


Published in SPIE Proceedings Vol. 5638:
Optical Design and Testing II
Yongtian Wang; Zhicheng Weng; Shenghua Ye; Jose M. Sasian, Editor(s)

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