| Issue |
J. Eur. Opt. Soc.-Rapid Publ.
Volume 17, Number 1, 2021
EOS Annual Meeting (EOSAM) 2020
|
|
|---|---|---|
| Article Number | 5 | |
| Number of page(s) | 9 | |
| DOI | https://doi.org/10.1186/s41476-021-00150-1 | |
| Published online | 06 April 2021 | |
Research
Transient dynamical-thermal-optical system modeling and simulation
Institute of Engineering and Computational Mechanics, University of Stuttgart, Pfaffenwaldring 9, 70569, Stuttgart, Germany
b
peter.eberhard@itm.uni-stuttgart.de
Received:
8
December
2020
Accepted:
15
March
2021
In modern high resolution optical systems like astronomical telescopes or lithographic objectives, performance degradations can be caused by various disturbances. Holistic optical system simulation is required to predict the performance or the high precision systems. In this paper a method for transient dynamical-thermal-optical system modeling and simulation is introduced. Thereby, elastic deformation, rigid body motion, and mechanical stresses due to dynamical excitation are calculated using elastic multibody system simulation and temperature changes are determined using thermal finite element analysis. The deformation, the motion, and the mechanically and thermally induced stress index changes are then considered in a gradient-index ray tracing. Finally, the presented method is applied in a dynamical-thermal single lens system.
Key words: Ray tracing / GRIN / Dn/dt / Mechanical stress / Dynamical-optical system / Thermo-optic / Elastic multibody system / Inhomogeneous media
© The Author(s) 2021
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