Testing method of large-sized convex optical surfaces

Vladislav I. Batshev; Alexandra E. Gavlina; Denis A. Novikov

doi:10.1117/12.2504364

13 December 2018 Testing method of large-sized convex optical surfaces

Vladislav I. Batshev, Alexandra E. Gavlina, Denis A. Novikov

Proceedings Volume 10833, 24th International Symposium on Atmospheric and Ocean Optics: Atmospheric Physics; 108331R (2018) https://doi.org/10.1117/12.2504364
Event: XXIV International Symposium, Atmospheric and Ocean Optics, Atmospheric Physics, 2018, Tomsk, Russian Federation

Abstract

The present report is devoted to the method of large-sized convex optical surfaces testing. This method is based on socalled orthogonal ray scheme, where the convex testing surface is illuminated by a collimated beam, which is perpendicular to the optical axis of the surface. The interference pattern is produced by the interaction of the reference beam passing over the test surface and the object beam reflected from the test surface. The interference pattern contains the information about the tested surface shape. The main advantage of the proposed method is the absence of additional large-sized optical components. That is why the method is a perspective for extremely large mirror testing. The experimental setup, obtained inteferograms and a flat mirror reconstruction results are presented.

Citation Download Citation

Vladislav I. Batshev, Alexandra E. Gavlina, and Denis A. Novikov "Testing method of large-sized convex optical surfaces ", Proc. SPIE 10833, 24th International Symposium on Atmospheric and Ocean Optics: Atmospheric Physics, 108331R (13 December 2018); https://doi.org/10.1117/12.2504364

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