1. Institute
of Physical Chemistry and Abbe Center of Photonics, Friedrich Schiller University Jena, Helmholtzweg 4, 07743, Jena, Germany
2. IPHT−Leibniz Institute of Photonic Technology, Albert-Einstein-Strasse 9, 07745, Jena, Germany
3. Institute
of Geoscience, Friedrich Schiller University Jena, Carl-Zeiss-Promenade
10, 07745, Jena, Germany