1. System Integration and Interconnection Technologies Fraunhofer Institute for Reliability and Microintegration IZM 13355 Berlin Germany
2. GdS Optronlab Ed.Lucia Universidad de Valladolid Paseo de Belén 19 47011 Valladolid Spain
3. Solid State Light Sources Max-Born-Institut für Nichtlineare Optik und Kurzzeitspektroskopie Max-Born-Str. 2A 12489 Berlin Germany