Point-spread function for multiple Bracewell interferometric configurations

Marija Strojnik

doi:10.1117/12.826922

1 September 2009 Point-spread function for multiple Bracewell interferometric configurations

Marija Strojnik

Author Affiliations +

Proceedings Volume 7453, Infrared Spaceborne Remote Sensing and Instrumentation XVII; 74530Z (2009) https://doi.org/10.1117/12.826922
Event: SPIE Optical Engineering + Applications, 2009, San Diego, California, United States

Abstract

We perform a rigorous, diffraction-based analysis to find an analytical expression for the point spread function of the multiple Bracewell interferometric (in-line, even, multi-aperture) configuration, in a single and double embodiment, proposed for extra-solar planet detection. The number of apertures, total length of the linear interferometer array, and the diameter of individual aperture control the shape of this function. The square of the Bessel function modulates the square of the multiple-beam interference term, attenuating it rapidly for off-axis values of the angle.

Citation Download Citation

Marija Strojnik "Point-spread function for multiple Bracewell interferometric configurations", Proc. SPIE 7453, Infrared Spaceborne Remote Sensing and Instrumentation XVII, 74530Z (1 September 2009); https://doi.org/10.1117/12.826922

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