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

Marija Strojnik; Gonzalo Paez; Claudio Ramirez

doi:10.1117/12.504505

10 November 2003 Planet spatial-frequency isolation using a rotationally shearing interferometer in space

Marija Strojnik, Gonzalo Paez, Claudio Ramirez

Proceedings Volume 5152, Infrared Spaceborne Remote Sensing XI; (2003) https://doi.org/10.1117/12.504505
Event: Optical Science and Technology, SPIE's 48th Annual Meeting, 2003, San Diego, California, United States

Abstract

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.

Citation Download Citation

Marija Strojnik, Gonzalo Paez, and Claudio Ramirez "Planet spatial-frequency isolation using a rotationally shearing interferometer in space", Proc. SPIE 5152, Infrared Spaceborne Remote Sensing XI, (10 November 2003); https://doi.org/10.1117/12.504505

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