1. Friedrich-Alexander-Universität Erlangen-Nürnberg, Institute of Photonic Technologies, Konrad-Zuse-Straße 3/5, 91052 Erlangen, Germany
2. Erlangen Graduate School in Advanced Optical Technologies (SAOT), Paul-Gordan-Straße 6, 91052 Erlangen, Germany
3. Institute of Advanced Materials and Processes (ZMP), Dr.-Mack-Straße 81, 90762 Fürth, Germany
4. Friedrich-Alexander-Universität Erlangen-Nürnberg, Materials Science and Engineering for Metals, Martensstraße 5, 91058 Erlangen, Germany