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Proceedings Paper

Tolerance analysis for stable laser resonators
Author(s): Michael Kuhn; Frank Wyrowski; Christian Hellmann; Torsten Schöning
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Paper Abstract

Recently the importance of numerical simulations for the design of laser resonators has grown considerably. This applies in particular if the alignment of components within the resonator is crucial for its stability. In such cases a tolerance analysis is required that can be done most efficiently using numerical simulation tools. In this paper, we introduce a computer model for resonators based on components and their combination using absolute or relative positioning. We show that this approach is the basis for tolerancing and sensitivity analysis. Further we discuss the concepts of field tracing and unified optical modeling that allow the coupling of several propagation methods within one modeling task. For laser resonators this involves in particular free space propagation methods as the Fresnel integral, geometrical optics and split step beam propagation methods. The primary goal is to provide a fully vectorial simulation as accurate as required and as fast as possible. This approach covers in particular general eigenmode models and general geometries including micro-structured surfaces that can be used for additional beam control as it is shown in the examples.

Paper Details

Date Published: 17 February 2010
PDF: 8 pages
Proc. SPIE 7579, Laser Resonators and Beam Control XII, 75790G (17 February 2010); doi: 10.1117/12.842453
Show Author Affiliations
Michael Kuhn, LightTrans VirtualLab UG (Germany)
Frank Wyrowski, Friedrich-Schiller-Univ. Jena (Germany)
Christian Hellmann, LightTrans VirtualLab UG (Germany)
Torsten Schöning, LightTrans VirtualLab UG (Germany)

Published in SPIE Proceedings Vol. 7579:
Laser Resonators and Beam Control XII
Alexis V. Kudryashov; Alan H. Paxton; Vladimir S. Ilchenko, Editor(s)

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