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12 October 2015 Finite element analysis to evaluate optical mirror deformations
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Proceedings Volume 9633, Optifab 2015; 96331Z (2015) https://doi.org/10.1117/12.2195938
Event: SPIE Optifab, 2015, Rochester, New York, United States
Abstract
In this work we describe the use of Finite Element Analysis software to simulate the deformations of an optical mirror. We use Finite Element Method software as a tool to simulate the mirror deformations assuming that it is a thin plate that can be mechanically tensed or compressed; the Finite Element Analysis give us information about the displacements of the mirror from an initial position and the tensions that remains in the surface. The information obtained by means of Finite Element Analysis can be easily exported to a coordinate system and processed in a simulation environment. Finally, a ray-tracing subroutine is used in the obtained data giving us information in terms of aberration coefficients. We present some results of the simulations describing the followed procedure.
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R. Izazaga-Pérez, D. Aguirre-Aguirre, and B. Villalobos-Mendoza "Finite element analysis to evaluate optical mirror deformations", Proc. SPIE 9633, Optifab 2015, 96331Z (12 October 2015); https://doi.org/10.1117/12.2195938
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