1. Department of Applied Physics
2. Aalto University School of Science
3. FI-00076 Aalto (Espoo)
4. Finland
5. Department of Forest Products Technology
6. Aalto University School of Chemical Technology
7. Laboratory of Photonics and Interfaces
8. Ecole Polytechnique Federale de Lausanne (EPFL)
9. CH-1015 Lausanne
10. Switzerland