Partially redundant apertures for infrared stellar imaging

Details Partially redundant apertures for infrared stellar imaging Partially redundant apertures for infrared stellar imaging

Jun 1981

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1981josa...71..759a&link_type=abstract

Optical Society of America, Journal, vol. 71, June 1981, p. 759-763. Research supported by the Natural Sciences and Engineering

Astronomy and Astrophysics

Astronomy

2

Atmospheric Effects, Imaging Techniques, Infrared Astronomy, Infrared Telescopes, Apertures, Atmospheric Turbulence, Signal To Noise Ratios, Speckle Patterns, Spectral Line Width, Transfer Functions

Scientific paper

Spectral-bandwidth constraints to ensure controlled amounts of redundancy are established for a class of two-dimensional partially redundant arrays (PRA's). In the IR, where speckle statistics are poor, the telescope-atmosphere modulation transfer function is determined solely by the PRA geometry. Signal-to-noise-ratio estimates, an optimum aperture criterion, and a six-element PRA example are presented.

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