CERGA high angular resolution optical network

Details CERGA high angular resolution optical network CERGA high angular resolution optical network

Aug 1987

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1987esasp.273..139s&link_type=abstract

In ESA, ESA Workshop on Optical Interferometry in Space p 139-143 (SEE N88-10613 01-74)

Computer Science

1

Angular Resolution, High Resolution, Interferometry, Space Observations (From Earth), Atmospheric Turbulence, Image Reconstruction, Phased Arrays

Scientific paper

A high angular resolution imaging interferometer prototype is described. It consists of a four phased telescope interferometer working at visible wavelengths. The goal is to demonstrate the feasibility of phase closure and image reconstruction. The apertures of the telescopes are limited to 26 cm, and move on 2 perpendicular baselines in a cross N/S and E/W configuration. The optical path compensation is done by delay lines, and the four beams are recombined on a fixed central table. The six fringe patterns are recorded by a short exposure, photon-counting camera in order to freeze the atmospheric turbulence.

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