Physics – Optics
Scientific paper
Oct 2003
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2003apopt..42.5897s&link_type=abstract
Applied Optics, Volume 42, Issue 29, pp. 5897-5905 (2003).
Physics
Optics
4
Astronomical Telescopes, Image Processing, Light Interferometry, Planets, Optical Transfer Function, Optical Modulation, Fourier Transform Optics
Scientific paper
We use the point spread function and the modulation transfer function (MTF) as two figures-of-merit to evaluate the performance of the multiaperture interferometric configurations for the detection of a faint planet in the vicinity of its bright star. We design nonredundant 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 and compare its performance with the Earth-based, fixed, linear configurations. The side peak of its MTF may be centered on the coordinate associated with a likely planet spatial frequency, resulting in planet signal enhancement and isolation.
Paez Gonzalo
Strojnik Marija
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