Author Affiliations +
Jiri Limpouch,1 Oldrich Renner,2 E. Krousky,2 Ingo Uschmann,3 Eckhart Foerster,3 Mikhail P. Kalachnikov,4 Peter Viktor Nickles4
1Czech Technical Univ. (Czech Republic)
2Institute of Physics (Czech Republic)
3Friedrich-Schiller-Univ. Jena (Germany)
4Max-Born-Institut (Germany)