1. Laserline GmbH 1 , Fraunhofer St. 5, Mülheim-Kärlich 56218, Germany
2. Robert Bosch GmbH 2 , Renningen, Stuttgart 70465, Germany
3. Fraunhofer-Institute for Laser Technology ILT 3 , Steinbachst. 15, Aachen 52074, Germany
4. RWTH Aachen University, Chair for Laser Technology LLT 4 , Steinbachst. 15, Aachen 52074, Germany
5. Helmholtz-Zentrum Hereon, Institute of Materials Physics 5 , Max-Planck-St. 1, Geesthacht 21502, Germany