Shape specification for axially symmetric optical surfaces

G. W. Forbes*

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

186 Citations (Scopus)


Advances in fabrication and testing are allowing aspheric optics to have greater impact through their increased prevalence and complexity. The most widely used characterization of surface shape is numerically deficient, however. Furthermore, with regard to tolerancing and to constraints for manufacturability, this representation is poorly suited for design purposes. Effective alternatives are therefore presented for working with rotationally symmetric surfaces that are either (i) strongly aspheric or (ii) constrained in terms of the slope in the departure from a best-fit sphere.

Original languageEnglish
Pages (from-to)5218-5226
Number of pages9
JournalOptics Express
Issue number8
Publication statusPublished - 16 Apr 2007
Externally publishedYes


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