Evaluation of rotational symmetric surface deviations by means of average radial profile

Bernd Doerband

doi:10.1117/12.360179

6 September 1999 Evaluation of rotational symmetric surface deviations by means of average radial profile

Bernd Doerband

Proceedings Volume 3739, Optical Fabrication and Testing; (1999) https://doi.org/10.1117/12.360179
Event: Optical Systems Design and Production, 1999, Berlin, Germany

Abstract

In ISO 10110-5 the rotational symmetric surface irregularity of an optical surface is determined form a set of rotational symmetric Zernike polynomials. For a large variety of aspheric optical surfaces which are manufactured by means of CNC-controlled machines this method leads to inadequate results. CNC-controlled fabrication methods often cause ring-shaped deviations described precisely by calculating the integrals over circles concentric to the axis of rotation. The final result is called 'average radial profile' and shows the cross section over the typical ring- shaped deformations.

Citation Download Citation

Bernd Doerband "Evaluation of rotational symmetric surface deviations by means of average radial profile", Proc. SPIE 3739, Optical Fabrication and Testing, (6 September 1999); https://doi.org/10.1117/12.360179

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