Update on TPF coronagraph polarization

Charley Noecker; Rob Bates; Nicholas M. Elias II; Jennifer Turner-Valle

doi:10.1117/12.620338

14 September 2005 Update on TPF coronagraph polarization

Charley Noecker, Rob Bates, Nicholas M. Elias II, Jennifer Turner-Valle

Proceedings Volume 5905, Techniques and Instrumentation for Detection of Exoplanets II; 590514 (2005) https://doi.org/10.1117/12.620338
Event: Optics and Photonics 2005, 2005, San Diego, California, United States

Abstract

The Terrestrial Planet Finder Coronagraph (TPF-C) is a future NASA mission to search for earth-like planets around nearby stars. Detecting a planet that is almost 10 billion times fainter than its parent star is extremely difficult, and it has been shown that polarization effects can cause stellar leakage which threatens that sensitivity goal. Building on our earlier work, we now show the combination of basic polarization effects with a representative coronagraph masking system, the eighth order linear field mask and Lyot stop, results in adequate performance.

Citation Download Citation

Charley Noecker, Rob Bates, Nicholas M. Elias II, and Jennifer Turner-Valle "Update on TPF coronagraph polarization", Proc. SPIE 5905, Techniques and Instrumentation for Detection of Exoplanets II, 590514 (14 September 2005); https://doi.org/10.1117/12.620338

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