Aspherical surface testing by using spherical compensation

Details Aspherical surface testing by using spherical compensation Aspherical surface testing by using spherical compensation

Jul 1999

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1999spie.3749..254p&link_type=abstract

Proc. SPIE Vol. 3749, p. 254-255, 18th Congress of the International Commission for Optics, Alexander J. Glass; Joseph W. Goodma

Physics

Optics

Scientific paper

A technique for testing aspherical surfaces without the use of a null-corrector is described. The wave-front sensor for the detection of the aspherical wave-front is a Shack- Hartmann sensor which has a significantly expanded range of measurable wave-front slopes. The optical testing set-up, the used algorithm for the dynamic range expansion, and experimental results are presented in this paper.

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