Measuring the local radii of the curvature of an aspheric surface using two interferometric methods

Fermin S. Granados-Agustin; Fausto Escobar-Romero; J. Daniel Sacramento-Solano; Alejandro Cornejo-Rodriguez

doi:10.1117/12.513436

26 February 2004 Measuring the local radii of the curvature of an aspheric surface using two interferometric methods

Fermin S. Granados-Agustin, Fausto Escobar-Romero, J. Daniel Sacramento-Solano, Alejandro Cornejo-Rodriguez

Author Affiliations +

Proceedings Volume 5252, Optical Fabrication, Testing, and Metrology; (2004) https://doi.org/10.1117/12.513436
Event: Optical Systems Design, 2003, St. Etienne, France

Abstract

Two experimental arrangements for measuring the local radii of curvature of an aspherical surface will be presented, together with a comparison between the experimental and theoretical values obtained. One of this experimental arrangement provides an average value of the radii of curvature in a subaperture with a ring shape. With the other method the measurements are done point by point over on a contour of the surfaces. The theoretical values for the local radii are calculate from the annular subapertures method testing an aspherical surface; also we be shown the advantage and limitations of these proposals.

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Fermin S. Granados-Agustin, Fausto Escobar-Romero, J. Daniel Sacramento-Solano, and Alejandro Cornejo-Rodriguez "Measuring the local radii of the curvature of an aspheric surface using two interferometric methods", Proc. SPIE 5252, Optical Fabrication, Testing, and Metrology, (26 February 2004); https://doi.org/10.1117/12.513436

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