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Direct-sun Solar Polarimeter (SolPol)

Direct-sun Solar Polarimeter (SolPol): A prototype solar polarimeter, kindly conferred by the University of Hertfordshire, is designed to operate with direct sun tracking capabilities and measures the degree of linearly and/or circularly polarized sunlight due to forward scattering from atmospheric aerosols. Measurements are centered on 550nm, due to light detector current limitations, while the instrument’s precision and accuracy are of order of the 1ppm and 1%, respectively. SolPol is a robust instrument capable of manual operation per demand, especially under heavy Saharan dust loads and with low maintenance requirements. It is hosted within a medium sized astronomical dome for the optimum protection-to-applicability relation.

About Us

ReACT stands for “Remote sensing of Aerosols, Clouds and Trace gases”, to describe the research focus of the respective research team led by Dr. Vassilis Amiridis. ReACT consists of highly motivated scientists within the field of Atmospheric Sciences, combining a number of Post-doc researchers, Ph.D. and M.Sc. students as well as other research and technical staff, using the resources, infrastructure and experience of the Institute for Astronomy, Astrophysics, Space Applications and Remote Sensing (IAASARS).

Address :

Vas. Sofias 79

Phone :

+30 210 81 09 182



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