Optical Surface Evaluation

Victor L Genberg

doi:10.1117/12.939270

5 January 1984 Optical Surface Evaluation

Victor L Genberg

Proceedings Volume 0450, Structural Mechanics of Optical Systems I; (1984) https://doi.org/10.1117/12.939270
Event: 1983 Cambridge Symposium, 1983, Cambridge, United States

Abstract

The finite element analysis of mirrors is now common practice. The results of such an analysis is the vector displacement of a great number of grid points within the mirror. Evaluation and interpretation of the raw data is difficult, even when represented as contour plots. It is more convenient from an optical engineer's viewpoint to describe the total deformation in terms of its components: tilt, defocus, and common aberrations. A NASTRAN post-processing program is described which performs a least squares fit of Zernike polynomials to a deformed surface.

Citation Download Citation

Victor L Genberg "Optical Surface Evaluation", Proc. SPIE 0450, Structural Mechanics of Optical Systems I, (5 January 1984); https://doi.org/10.1117/12.939270

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