Planet spatial-frequency isolation using a rotationally shearing interferometer in space

Details Planet spatial-frequency isolation using a rotationally shearing interferometer in space Planet spatial-frequency isolation using a rotationally shearing interferometer in space

Dec 2003

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2003spie.5152..356s&link_type=abstract

Infrared Spaceborne Remote Sensing XI. Edited by Strojnik, Marija. Proceedings of the SPIE, Volume 5152, pp. 356-364 (2003).

Computer Science

Performance

Scientific paper

We use the modulation transfer function (MTF) to evaluate the performance of several multi-aperture interferometric configurations for the detection of a faint planet in the vicinity of its bright star. We design non-redundant interferometric layouts that provide satisfactory coverage of the spatial frequencies of interest. We propose a design incorporating a rotating, rotationally shearing interferometer in a gravity-free environment. The side peak of its MTF may be centered on the spatial frequency associated with likely planet coordinates, resulting in the planet signal enhancement and isolation.

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