1. Institute for Manufacturing Technology and Production Systems (FBK), University of Kaiserslautern, Gottlieb-Daimler-Straße 42, 67663 Kaiserslautern, Germany
2. Department of Physics and Research Center OPTIMAS, University of Kaiserslautern, Erwin Schrödinger-Straße 56, 67663 Kaiserslautern, Germany
3. Institute of Bioprocess Engineering, University of Kaiserslautern, Gottlieb-Daimler-Straße 49, 67663 Kaiserslautern, Germany