Simulation of pupil-plan observation of angle-of-arrival fluctuations in daytime turbulence

Details Simulation of pupil-plan observation of angle-of-arrival fluctuations in daytime turbulence Simulation of pupil-plan observation of angle-of-arrival fluctuations in daytime turbulence

Feb 2004

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2004spie.5237..238b&link_type=abstract

Optics in Atmospheric Propagation and Adaptive Systems VI. Edited by Gonglewski, John D.; Stein, Karin. Proceedings of the SPI

Physics

Optics

Scientific paper

High angular resolution observations of the sun are limited by atmospheric turbulence. The MISOLFA seeing monitor (still under construction) is developed to obtain spatial and temporal statistical properties of optical turbulence by analyzing local motions observed on solar edge images. The solar flying shadows used for angle-of-arrival spatio-temporal analysis are observed in the pupil plane image by mean of a rectangular thin slit positioned on the solar edge image. A numerical simulation of the light propagation in both the atmospheric turbulence medium and the MISOLFA optical system is carried out studying the relation of the measured intensity variations in the pupil plane to angle-of-arrival fluctuations in the non-isoplanatic case. First results are presented and discussed.

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