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30 August 2019 Structural optimization of system WFE
Victor Genberg, Gregory Michels, Gary Bisson
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Proceedings Volume 11100, Optomechanical Engineering 2019; 1110007 (2019) https://doi.org/10.1117/12.2525436
Event: SPIE Optical Engineering + Applications, 2019, San Diego, California, United States
Abstract
The ultimate design goal of an imaging optical system subjected to thermal and dynamic loads is to minimize system level wavefront error (WFE). System WFE is impossible to predict from finite element random response results due to the loss of phase information. In the past, the use of system WFE was limited by the difficulty of obtaining a linear optics model (LOM). In this paper, an automated method for determining system level WFE using a linear optics model is presented. The technique is applied to a simple telescope using structural optimization to automatically handle the conflicting design requirements of thermal and random response loads. The technique is demonstrated by example with SigFit, a commercially available tool integrating mechanical analysis with optical analysis.
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Victor Genberg, Gregory Michels, and Gary Bisson "Structural optimization of system WFE", Proc. SPIE 11100, Optomechanical Engineering 2019, 1110007 (30 August 2019); https://doi.org/10.1117/12.2525436
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KEYWORDS
Error analysis
Laminated object manufacturing
Optical analysis
Motion models
Thermal modeling
Optical components
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