Engineering trade studies for the Terrestrial Planet Finder Coronagraph primary mirror

Details Engineering trade studies for the Terrestrial Planet Finder Coronagraph primary mirror Engineering trade studies for the Terrestrial Planet Finder Coronagraph primary mirror

Sep 2005

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2005spie.5867..271c&link_type=abstract

Optical Modeling and Performance Predictions II. Edited by Kahan, Mark A. Proceedings of the SPIE, Volume 5867, pp. 271-281 (

Computer Science

Performance

Scientific paper

The Terrestrial Planet Finder Coronagraph (TPF-C) is conducting pre-formulation design and analysis studies based on a 8x3.5m elliptical aperture, light-weight primary mirror feeding an internally occulted (Lyot) coronagraph. The primary mirror has challenging static and dynamic performance requirements. We report on recent trade studies and concepts including open- and closed-back mirror blank designs and comparisons of thermal and mechanical performance; aperture shape alternatives to better match the coronagraph application with weight, packaging, and fabrication constraints; and mirror material trades.

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