1. Spectroscopy/ImagingLeibniz Institute of Photonic Technology Albert-Einstein-Str. 9 07745 Jena Germany
2. Institute of Physical Chemistry and Abbe Center of PhotonicsFriedrich Schiller University Helmholtzweg 4 07743 Jena Germany
3. Institute of Chemical Technologies and AnalyticsTechnische Universität Wien Getreidemarkt Wien, 9/164 1060 Vienna Austria