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Optical Engineering • Open Access

Experimental observation of spatial correlation of scintillations from an extended incoherent source

Paper Abstract

The optical irradiance scintillation for an extended source and a dual-aperture system with variable aperture separation is analyzed with respect to the effect of turbulence. The scintillation index and the correlation between the dual-aperture signals emanating from an extended source are used to study the turbulence spectral model and the deviation from the common Kolmogorov atmospheric weak-turbulence model. Signal decorrelation as a function of aperture separation is presented. The relative errors introduced by using dual-aperture systems are also discussed.

Paper Details

Date Published: 4 February 2013
PDF: 7 pages
Opt. Eng. 52(2) 026001 doi: 10.1117/1.OE.52.2.026001
Published in: Optical Engineering Volume 52, Issue 2
Show Author Affiliations
Ingmar G. Renhorn, FOI (Sweden)
Thomas Svensson, FOI (Sweden)
Glenn D. Boreman, The Univ. of North Carolina at Charlotte (United States)


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