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Proceedings Paper

Image resolution measurement for horizontal propagation in the atmosphere
Author(s): Cemin Su; Ruizhong Rao; Honghua Huang; Yingjian Wang
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Paper Abstract

The effect of atmospheric turbulence on the imaging of a pattern similar to an eye chart composed of LED array, for horizontal propagation of the light over a distance of 1000m, was analyzed at visible wavelenghts using a 355.6 mm telescope. Point Spread Function (PSF) and the images were recorded simlutaneously during the night. The Fried's parameter r0 was derived from the measured variance of image motion, leading to r0 values ranging from 5 to 30 cm depending on observing conditions. Very strong image motion and severely degraded images were observed. The relationship between the image resolution and the Fried's parameter is visually shown.

Paper Details

Date Published: 12 May 2005
PDF: 9 pages
Proc. SPIE 5832, Optical Technologies for Atmospheric, Ocean, and Environmental Studies, (12 May 2005); doi: 10.1117/12.619514
Show Author Affiliations
Cemin Su, Anhui Institute of Optics and Fine Mechanics, CAS (China)
Ruizhong Rao, Anhui Institute of Optics and Fine Mechanics, CAS (China)
Honghua Huang, Anhui Institute of Optics and Fine Mechanics, CAS (China)
Yingjian Wang, Anhui Institute of Optics and Fine Mechanics, CAS (China)


Published in SPIE Proceedings Vol. 5832:
Optical Technologies for Atmospheric, Ocean, and Environmental Studies
Daren Lu; Gennadii G. Matvienko, Editor(s)

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