The potential of rotating-baseline nulling interferometers operating within large single-telescope apertures

E. Serabyn; B. Mennesson; S. Martin; K. Liewer; D. Mawet; C. Hanot; F. Loya; M. M. Colavita; Sam Ragland

doi:10.1117/12.857753

21 July 2010 The potential of rotating-baseline nulling interferometers operating within large single-telescope apertures

E. Serabyn, B. Mennesson, S. Martin, K. Liewer, D. Mawet, C. Hanot, F. Loya, M. M. Colavita, Sam Ragland

Author Affiliations +

Proceedings Volume 7734, Optical and Infrared Interferometry II; 77341E (2010) https://doi.org/10.1117/12.857753
Event: SPIE Astronomical Telescopes + Instrumentation, 2010, San Diego, California, United States

Abstract

The use of a rotating-baseline nulling interferometer for exoplanet detection was proposed several decades ago, but the technique has not yet been fully demonstrated in practice. Here we consider the faint companion and exozodiacal disk detection capabilities of rotating-baseline nulling interferometers, such as are envisioned for space-based infrared nullers, but operating instead within the aperture of large single telescopes. In particular, a nulling interferometer on a large aperture corrected by a next-generation extreme adaptive optics system can provide deep interferometric contrasts, and also reach smaller angles (sub λ/D) than classical coronagraphs. Such rotating nullers also provide validation for an eventual space-based rotating-baseline nulling interferometer. As practical examples, we describe ongoing experiments with rotating nullers at Palomar and Keck, and consider briefly the case of the Thirty Meter Telescope.

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E. Serabyn, B. Mennesson, S. Martin, K. Liewer, D. Mawet, C. Hanot, F. Loya, M. M. Colavita, and Sam Ragland "The potential of rotating-baseline nulling interferometers operating within large single-telescope apertures", Proc. SPIE 7734, Optical and Infrared Interferometry II, 77341E (21 July 2010); https://doi.org/10.1117/12.857753

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