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Proceedings Paper

Thermo-optical (TOP) analysis by coupling FEM and ray tracing
Author(s): Alexander Gatej; Johannes Wasselowski; Peter Loosen
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Paper Abstract

Thermo-optical simulation is a compulsory improvement of classical ray tracing, since many branches of optical and laser technology have to deal with thermal gradients. This paper discusses an approach for coupling FEM and ray tracing simulation tools by processing FE data using scattered data approximation techniques. The implemented interface for two space dimensions is being validated by comparing approximated data to measured values from a CO2 laser application of up to 1.75 kW. Finally, the benefits and further developments of analyzing thermal gradients in optical simulation are being discussed.

Paper Details

Date Published: 4 May 2012
PDF: 8 pages
Proc. SPIE 8429, Optical Modelling and Design II, 84290E (4 May 2012); doi: 10.1117/12.921533
Show Author Affiliations
Alexander Gatej, RWTH Aachen Univ. (Germany)
Johannes Wasselowski, RWTH Aachen Univ. (Germany)
Peter Loosen, RWTH Aachen Univ. (Germany)
Fraunhofer-Institut für Lasertechnik (Germany)

Published in SPIE Proceedings Vol. 8429:
Optical Modelling and Design II
Frank Wyrowski; John T. Sheridan; Jani Tervo; Youri Meuret, Editor(s)

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