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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 19, Iss. 27 — Dec. 19, 2011
  • pp: 26796–26809

Optimal pupil apodizations of arbitrary apertures for high-contrast imaging

A. Carlotti, R. Vanderbei, and N. J. Kasdin  »View Author Affiliations


Optics Express, Vol. 19, Issue 27, pp. 26796-26809 (2011)
http://dx.doi.org/10.1364/OE.19.026796


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Abstract

In the context of exoplanet direct detection and characterization, where high-contrast imaging is mandatory, we present fully optimized two-dimensional pupil apodizations for which no specific geometric constraints are put on the pupil plane apodization, apart from the shape of the aperture itself. Masks for circular and segmented apertures are displayed, with and without a central obstruction and spiders. We can now optimize apodizers for any aperture shape, and examples of optimal masks are shown for the Subaru telescope, the Space Infrared telescope for Cosmology and Astrophysics (SPICA) and the James Webb Space Telescope (JWST). Several high-contrast regions are considered with different sizes, positions, shapes and contrasts. It is interesting to note that all the masks that result from these optimizations tend to have a binary transmission profile.

© 2011 OSA

OCIS Codes
(110.1220) Imaging systems : Apertures
(110.6770) Imaging systems : Telescopes
(220.1230) Optical design and fabrication : Apodization
(350.1260) Other areas of optics : Astronomical optics

ToC Category:
Imaging Systems

History
Original Manuscript: August 31, 2011
Revised Manuscript: October 8, 2011
Manuscript Accepted: November 12, 2011
Published: December 14, 2011

Citation
A. Carlotti, R. Vanderbei, and N. J. Kasdin, "Optimal pupil apodizations of arbitrary apertures for high-contrast imaging," Opt. Express 19, 26796-26809 (2011)
http://www.opticsinfobase.org/oe/abstract.cfm?URI=oe-19-27-26796


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