Terrestrial Planet Finder Coronagraph optical modeling

Scott A. Basinger; David C. Redding

doi:10.1117/12.560507

30 September 2004 Terrestrial Planet Finder Coronagraph optical modeling

Scott A. Basinger, David C. Redding

Proceedings Volume 5528, Space Systems Engineering and Optical Alignment Mechanisms; (2004) https://doi.org/10.1117/12.560507
Event: Optical Science and Technology, the SPIE 49th Annual Meeting, 2004, Denver, Colorado, United States

Abstract

The Terrestrial Planet Finder Coronagraph will rely heavily on modeling and analysis throughout its mission lifecycle. Optical modeling is especially important, since the tolerances on the optics as well as scattered light suppression are critical for the mission's success. The high contrast imaging necessary to observe a planet orbiting a distant star requires new and innovative technologies to be developed and tested, and detailed optical modeling provides predictions for evaluating design decisions. It also provides a means to develop and test algorithms designed to actively suppress scattered light via deformable mirrors and other techniques. The optical models are used in conjunction with structural and thermal models to create fully integrated optical/structural/thermal models that are used to evaluate dynamic effects of disturbances on the overall performance of the coronagraph. The optical models we have developed have been verified on the High Contrast Imaging Testbed. Results of the optical modeling verification and the methods used to perform full three-dimensional near-field diffraction analysis are presented.

Citation Download Citation

Scott A. Basinger and David C. Redding "Terrestrial Planet Finder Coronagraph optical modeling", Proc. SPIE 5528, Space Systems Engineering and Optical Alignment Mechanisms, (30 September 2004); https://doi.org/10.1117/12.560507

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