Optical modeling of finite element surface displacements using commercial software

Keith B. Doyle; Victor L. Genberg; Gregory J. Michels; Gary R. Bisson

doi:10.1117/12.615336

24 August 2005 Optical modeling of finite element surface displacements using commercial software

Keith B. Doyle, Victor L. Genberg, Gregory J. Michels, Gary R. Bisson

Proceedings Volume 5867, Optical Modeling and Performance Predictions II; 58670I (2005) https://doi.org/10.1117/12.615336
Event: Optics and Photonics 2005, 2005, San Diego, California, United States

Abstract

The accuracy of optical modeling techniques to represent finite element derived surface displacements is evaluated using commercial software tools. Optical modeling methods compared include the Zernike polynomial surface definition, surface interferogram files, and uniform arrays of data in representing rigid-body and elastic surface errors. Methods to create surface normal displacements and sag displacements from FEA displacement data are compared. Optical performance evaluations are performed as a function of surface curvature (f/#). Advantages and disadvantages of each approach are discussed.

Citation Download Citation

Keith B. Doyle, Victor L. Genberg, Gregory J. Michels, and Gary R. Bisson "Optical modeling of finite element surface displacements using commercial software", Proc. SPIE 5867, Optical Modeling and Performance Predictions II, 58670I (24 August 2005); https://doi.org/10.1117/12.615336

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