1. Department of Chemistry and State Research Center OPTIMAS, RPTU Kaiserslautern-Landau, 67663 Kaiserslautern, Germany
2. Leibniz Institute of Photonic Technology, 07745 Jena, Germany
3. Institute of Materials Science and Engineering, Chemnitz University of Technology, 09125 Chemnitz, Germany
4. Otto Schott Institute of Material Research, Metallic Materials, Friedrich Schiller University, 07743 Jena, Germany
5. Institute of Applied Physics, Friedrich Schiller University Jena, 07745 Jena, Germany
6. Fraunhofer Institute for Applied Optics and Precision Engineering, 07745 Jena, Germany