[1] Moscow MV Lomonosov State Univ, Dept Phys, Moscow 119899, Russia
[2] Univ Essen Gesamthsch, Inst Laser & Plasmaphys, D-45117 Essen, Germany
[3] Ctr Photochem, Moscow 117421, Russia
[4] Moscow MV Lomonosov State Univ, Int Educ & Res Laser Ctr, Moscow 119899, Russia
[5] Russian Acad Sci, Inst Technol & Proc Glass Struct, Saratov 410044, Russia
[6] Univ Dayton, Dayton, OH 45469 USA