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Proceedings Paper

Infrared spaceborne rotating rotational-shearing interferometer for extrasolar planet detection
Author(s): Marija Scholl
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Paper Abstract

We consider the advantages and disadvantages of a rotating and a rotational shearing interferometer for the detection of a planet circling around a nearby star. A rotating, rotational-shearing interferometer is proposed for the detection of a faint object in the vicinity of a very bright object. We derive an expression for the interferometric pattern detected by a rotational shearing interferometer. When the interferometer points at the bright star, the observed fringes are due only to the wavefront originating at the faint planet. A two-aperture interferometric configuration, even though not necessary for the shearing function, is suggested to enhance the stability of a free-flying spaceborne structure.

Paper Details

Date Published: 14 September 1994
PDF: 10 pages
Proc. SPIE 2268, Infrared Spaceborne Remote Sensing II, (14 September 1994); doi: 10.1117/12.185851
Show Author Affiliations
Marija Scholl, Alenka Associates (United States)


Published in SPIE Proceedings Vol. 2268:
Infrared Spaceborne Remote Sensing II
Marija S. Scholl, Editor(s)

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