Estimation of the spatial coherence outer scale relevant to long baseline interferometry and imaging in optical astronomy

Details Estimation of the spatial coherence outer scale relevant to long baseline interferometry and imaging in optical astronomy Estimation of the spatial coherence outer scale relevant to long baseline interferometry and imaging in optical astronomy

May 1990

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1990apopt..29.1863b&link_type=abstract

Applied Optics (ISSN 0003-6935), vol. 29, May 1, 1990, p. 1863-1865.

Physics

Optics

41

Geometrical Optics, Seeing (Astronomy), Very Long Base Interferometry, Atmospheric Turbulence, Image Processing, Michelson Interferometers

Scientific paper

A technique is proposed allowing estimation of the spatial coherence outer scale, from simultaneous measurements of Fried's parameter r0 and of the variance of angle-of-arrival fluctuations. This optical parameter must be differentiated from the classical geophysical parameter called the outer scale of turbulence; its knowledge is important for long baseline interferometry and imaging in optical astronomy.

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