1. Institute of Thermal-, Environmental- and Resources’ Process Engineering (ITUN), Technische Universität Bergakademie Freiberg (TUBAF), Leipziger Strasse 28, 09599 Freiberg, Germany
2. Erlangen Graduate School in Advanced Optical Technologies (SAOT), Friedrich-Alexander-Universitaet Erlangen-Nuernberg (FAU), Paul-Gordan-Straße 6, 91052 Erlangen, Germany