21 August 2009 Tolerancing Forbes aspheres: advantages of an orthogonal basis
Author Affiliations +
Abstract
Axisymmetric aspheric optical surfaces deviating from conicoids are becoming more common due to their significant optical design advantages. Their practical use is being further enabled by ever-improving manufacturing and metrology methods. In order to effectively utilize such surfaces, tolerances must be applied that tie the manufacturability of the aspheric component to the optical design. In this paper tolerancing of aspheric surfaces in orthogonal bases, specifically Forbes aspheres, is covered. The significant advantages of such an orthogonal representation are highlighted and reinforced with an example.
© (2009) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Richard N. Youngworth, Richard N. Youngworth, } "Tolerancing Forbes aspheres: advantages of an orthogonal basis", Proc. SPIE 7433, Optical System Alignment, Tolerancing, and Verification III, 74330H (21 August 2009); doi: 10.1117/12.826091; https://doi.org/10.1117/12.826091
PROCEEDINGS
12 PAGES


SHARE
RELATED CONTENT

Application of Q type aspheric surface in the design of...
Proceedings of SPIE (October 30 2016)
Approaching direct optimization of as-built lens performance
Proceedings of SPIE (October 18 2012)
Study on tolerance sensitivity reduction in lens optimization
Proceedings of SPIE (February 09 2005)
Some Statistical Aspects Of Tolerancing
Proceedings of SPIE (October 30 1986)
A Statistical Approach To Lens Tolerancing
Proceedings of SPIE (November 30 1978)
The cost of tolerancing
Proceedings of SPIE (August 28 2009)

Back to Top