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Proceedings Paper

Tolerancing aspheric surfaces in optical design
Author(s): U. Fuchs
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Paper Abstract

Aspheres are becoming very popular in optical design for reducing size and weight of optical systems or even allowing for novel optical performance. Innovative manufacturing enables this trend. Unfortunately, due to the type of surface form deviation introduced by CNC based grinding and polishing processes, tolerancing an optical system with aspheric surfaces becomes very complicated. Especially for serial production it is critical to know just how “good” an asphere has to be in order to guarantee the optical performance needed without overdoing it. It will be demonstrated how to overcome this limitation up to a certain level.

Paper Details

Date Published: 3 September 2015
PDF: 7 pages
Proc. SPIE 9582, Optical System Alignment, Tolerancing, and Verification IX, 958205 (3 September 2015); doi: 10.1117/12.2186405
Show Author Affiliations
U. Fuchs, asphericon GmbH (Germany)


Published in SPIE Proceedings Vol. 9582:
Optical System Alignment, Tolerancing, and Verification IX
José Sasián; Richard N. Youngworth, Editor(s)

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