1. Laser Zentrum Hannover e.V.,
Hollerithallee 8, 30419 Hannover, Germany
2. Chuo University, 1-13-27, Kasuga,
Bunkyo-ku, 112-8551 Tokyo, Japan
3. University of Duisburg-Essen,
Institute for Technical Chemistry, Technical Chemistry I and Center
for Nanointegration Duisburg-Essen (CeNIDE), Universitätsstraße
7, 45141 Essen, Germany