1. Department of Physical and Theoretical Chemistry, Faculty of Natural Sciences; Comenius University; Mlynská dolina CH1; Bratislava; SK-842 15; Slovakia
2. Institute of Phtonics; Vienna University of Technology; Gußhausstraße 27-29; Vienna; A-1040; Austria
3. Faculty of Natural Sciences; Institute of Chemistry; Comenius University; Mlynská dolina CH2; Bratislava; SK-842 15; Slovakia
4. Department of Inorganic Technology; Slovak University of Technology; Radlinského 9; Bratislava; SK-812 37; Slovakia
5. International Laser Centre; Ilkovičova 3; Bratislava; SK-841 04; Slovakia
6. Institute of Electronics and Photonics, Slovak University of Technology; Ilkovičova 3; Bratislava; SK-812 19; Slovakia
7. Phostec; Priemyselná 962; Hliník nad Hronom; SK-966 01; Slovakia