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Near-surface turbulence effects on electro-optical propagation in an arid environment

: Eisele, Christian; Seiffer, Dirk; Sucher, Erik; Ullwer, Carmen; Kociok, Thomas; Sprung, Detlev; Binsbergen, Sven van; Bijl, Piet


Stein, K.U. ; Society of Photo-Optical Instrumentation Engineers -SPIE-, Bellingham/Wash.:
Environmental Effects on Light Propagation and Adaptive Systems II : 9-12 September 2019, Strasbourg, France
Bellingham, WA: SPIE, 2019 (Proceedings of SPIE 11153)
Paper 1115302, 15 pp.
Conference "Environmental Effects on Light Propagation and Adaptive Systems" <2, 2019, Strasbourg>
Conference Paper
Fraunhofer IOSB ()

In the framework of a NATO research group Fraunhofer IOSB and partners conducted a field trial in an arid shrub land environment in southern New Mexico (USA). The group investigates environmental limitations of fielded EO-TDAs (Electro-Optical Tactical Decision Aids). Main objective of the trial was to study the impact of the atmosphere on imaging sensor performance with a focus on the effects of atmospheric extinction and near surface turbulence. An overview of the trial will be given, as well as an overview on EO-TDA development. Results of efforts to forecast the refractive index structure parameter using numerical weather prediction (NWP) models will be described, as well as the results of a perception study on the influence of turbulence on target acquisition ranges using MWIR imagery.