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Proceedings Article

Estimated performance of a symmetric nulling coronagraph for exoplanet imaging

[+] Author Affiliations
D. Ren

New Jersey Institute of Technology

E. Serabyn

Jet Propulsion Lab.

Proc. SPIE 6265, Space Telescopes and Instrumentation I: Optical, Infrared, and Millimeter, 62653X (June 15, 2006); doi:10.1117/12.674163
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From Conference Volume 6265

  • Space Telescopes and Instrumentation I: Optical, Infrared, and Millimeter
  • John C. Mather; Howard A. MacEwen; Mattheus W. M. de Graauw
  • Orlando, Florida , USA | May 24, 2006

abstract

The direct detection of the earth-similar planets nearby bright stars needs high-contrast imaging. We proposed a nulling coronagraph that can, in principle, totally cancel the on-axis point-source starlight for broadband high-contrast imaging. The nulling coronagraph also features close angular distance imaging and high throughput. Equipped with a telescope with only 1.5-m aperture size, it has the potentiality to be able to resolving and directly detecting earth-similar planets at 0.1" (1 λ/D) close-distance in the visible wavelength range. The requirement for a small telescope is a significant advantage for future space missions. We discuss the working principle, instrument realization, error and sensitivity analysis, and the estimated performance of the nulling coronagraph.

© (2006) COPYRIGHT SPIE--The International Society for Optical Engineering. Downloading of the abstract is permitted for personal use only.
Citation

D. Ren and E. Serabyn
"Estimated performance of a symmetric nulling coronagraph for exoplanet imaging", Proc. SPIE 6265, Space Telescopes and Instrumentation I: Optical, Infrared, and Millimeter, 62653X (June 15, 2006); doi:10.1117/12.674163; http://dx.doi.org/10.1117/12.674163


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