Affiliation: | 1. Institute of Photonics and Electronics AS CR, v.v.i., Chaberska 57, 18251 Praha 8, Czech Republic;2. Institute of Physics AS CR, v.v.i. Cukrovarnicka 10, 16200 Praha 6, Czech Republic;3. Faculty of Nuclear Sciences and Physical Engineering, CTU Prague, B?ehová 7, 11519 Praha 1, Czech Republic |