Affiliation: | (1) P. N. Lebedev Physical Institute, Russian Academy of Sciences, Leninskii Pr. 53, Moscow, 117924, Russia;(2) Laser Zentrum Hannover e.V., Hollerithallee 8, D30419 Hannover, Germany;(3) P. N. Lebedev Physical Institute, Russian Academy of Sciences, Leninskii Pr. 53, Moscow, 117924, Russia |