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Optimal pupil apodizations of arbitrary apertures for high-contrast imaging

Author(s): Carlotti, A; Vanderbei, Robert; Kasdin, N Jeremy

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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.
Publication Date: 2011
Citation: Carlotti, A, Vanderbei, R, Kasdin, NJ. (2011). Optimal pupil apodizations of arbitrary apertures for high-contrast imaging. Optics Express, 19 (26796 - 26809. doi:10.1364/OE.19.026796
DOI: doi:10.1364/OE.19.026796
Pages: 26796 - 26809
Type of Material: Journal Article
Journal/Proceeding Title: Optics Express
Version: Final published version. This is an open access article.



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