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A Multifaceted Exploration of Atmospheric Turbulence and Its Impact on Optical Systems: Structure Constant Profiles and Astronomical Seeing.

Authors :
Bekhrad, Pasha
Leitgeb, Erich
Ivanov, Hristo
Source :
Electronics (2079-9292); Jan2024, Vol. 13 Issue 1, p55, 19p
Publication Year :
2024

Abstract

This study emphasizes the importance of conducting a comprehensive analysis considering the C n 2 atmospheric parameter for a reliable assessment of the seeing value. It highlights the use of the ECMWF ERA5 model to simulate pressure, temperature, and humidity profiles, enabling the evaluation of optical degradation. Accurate modeling and monitoring of temperature and humidity variables are emphasized for precise data in optical communication and astronomical observations. It also discusses the significance of optical turbulence models in understanding the impact of atmospheric turbulence on optical system performance. The validation of the selected C n 2 models is thoroughly analyzed. To evaluate the impact of the boundary layer on seeing conditions, three factors are considered. First, ERA5 data is used to simulate surface C n 2 values using the PAMELA model. Second, typical C n 2 values for specific dates in Redu are obtained. Finally, the thickness of the boundary layer, denoted as h<subscript>bl</subscript>, is calculated. This finding highlights the significant influence of the boundary layer on atmospheric seeing conditions and by incorporating I<subscript>bl</subscript> into the models, a more accurate representation of the effects of the boundary layer on seeing quality is achieved. [ABSTRACT FROM AUTHOR]

Details

Language :
English
ISSN :
20799292
Volume :
13
Issue :
1
Database :
Complementary Index
Journal :
Electronics (2079-9292)
Publication Type :
Academic Journal
Accession number :
174715836
Full Text :
https://doi.org/10.3390/electronics13010055