1. Institute of Chemistry and Biochemistry, Free University Berlin, Takustrasse 6, D-14195 Berlin, Germany, Institute of General Botany, Johannes-Gutenberg-University, Müllerweg 6, D-55099 Mainz, Germany, Institute of Optics, Technical University Berlin, Strasse des 17. Juni 135, D-10623 Berlin, Germany, Institute of Theoretical Physics, Nonlinear Optics and Quantum Electronics, Technical University Berlin, Hardenbergstrasse 36, 10623 Berlin, Germany, and Max Volmer Laboratory for Biophysical Chemistry,...