Characterization of optical turbulence at the solar observatory at the Mount Teide, Tenerife

Detlev Sprung; Erik Sucher

doi:10.1117/12.2032744

17 October 2013 Characterization of optical turbulence at the solar observatory at the Mount Teide, Tenerife

Detlev Sprung, Erik Sucher

Proceedings Volume 8890, Remote Sensing of Clouds and the Atmosphere XVIII; and Optics in Atmospheric Propagation and Adaptive Systems XVI; 889015 (2013) https://doi.org/10.1117/12.2032744
Event: SPIE Remote Sensing, 2013, Dresden, Germany

Abstract

Optical turbulence represented by the structure function parameter of the refractive index C_n² is regarded as one of the chief causes of image degradation of ground-based astronomical telescopes operating in visible or infrared wavebands. Especially, it affects the attainable spatial resolution. Therefore since the middle of September 2012 the optical turbulence has been monitored between two German solar telescopes at the Observatory in Tenerife /Canary Islands /Spain. It comprises the solar telescope GREGOR and the vacuum tower telescope VTT mounted on two 30 m high towers. Between the two towers at the level of the telescopes, C_n² was measured using a Laser-Scintillometer SLS40 (Scintec, Rottenburg, Germany). The horizontal distance of the measurement path was 75 m. The first results of the measurements starting from the 15th September 2012 up to the end of December 2012 are presented and analyzed using simultaneous measured meteorological data of wind, temperature and humidity. Daily and seasonal variations are shown and discussed.

Citation Download Citation

Detlev Sprung and Erik Sucher "Characterization of optical turbulence at the solar observatory at the Mount Teide, Tenerife", Proc. SPIE 8890, Remote Sensing of Clouds and the Atmosphere XVIII; and Optics in Atmospheric Propagation and Adaptive Systems XVI, 889015 (17 October 2013); https://doi.org/10.1117/12.2032744

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