1. Max Born Institute for Nonlinear Optics and Short Pulse Spectroscopy, Max Born Strasse 2A, 12489 Berlin, Germany
2. Institute
for Methods and Instrumentation for Synchrotron Radiation Research, Helmholtz-Zentrum Berlin für Materialien und Energie GmbH, Albert-Einstein-Strasse
15, 12489 Berlin, Germany
3. Magnosco c/o LTB Lasertechnik Berlin GmbH, Am Studio 2c, 12489 Berlin, Germany
4. Institute
of Physical Chemistry, University of Zurich, Winterthurerstrasse 190, CH-8057 Zurich, Switzerland
5. Department
of Physics, Stockholm University, AlbaNova University Center, 106 91 Stockholm, Sweden