An Alternative Approach for Imaging in Optical Interferometry

Details An Alternative Approach for Imaging in Optical Interferometry An Alternative Approach for Imaging in Optical Interferometry

Oct 2008

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2008apj...686.1514m&link_type=abstract

The Astrophysical Journal, Volume 686, Issue 2, pp. 1514-1522.

Astronomy and Astrophysics

Astronomy

2

Techniques: Image Processing, Techniques: Interferometric

Scientific paper

We describe a mathematical formalism for the teaching optical interferometer concept developed by P. Lawson. In this experiment, the co-addition of several interferometric fringe patterns obtained for different baselines between individual telescopes is the image of the source, for the simple reason that the fringe patterns build up the image of the observed source through a convolution product. This basic principle is of interest since it allows one to tackle the image reconstruction for optical long-baseline interferometry through an approach which is complementary to the use of the Fourier plane. Thus, image reconstruction can be thought of in the fringe plane. It allows a better understanding of the fundamental limits of the image dynamical range.

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