Symmetric nulling coronagraph based on a rotational shearing interferometer

Document Type

Article

Publication Date

11-20-2005

Abstract

We describe a fully symmetric nulling coronagraph for single-aperture telescopes that is based on a rotational shearing interferometer (RSI) and that is intended for the imaging of faint companions to nearby bright stars. In the proposed layout, all asymmetries inherent in previous single-aperture RSI-based nulling coronagraphs have been eliminated, and the bright and dark outputs are both accessible. As a result, deep, broadband, dual-polarization rejection of on-axis starlight should be possible with this system. © 2005 Optical Society of America.

Identifier

29144488925 (Scopus)

Publication Title

Applied Optics

External Full Text Location

https://doi.org/10.1364/AO.44.007070

e-ISSN

15394522

ISSN

1559128X

First Page

7070

Last Page

7073

Issue

33

Volume

44

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