Film and bulk tunable lasers in the visible

摘要: Solid state tunable lasers were prepared by the sol-gel method either in bulk form or as thin wave guiding films deposited on glass quartz. The active materials perylimide dyes providing laser emission between 550 - 630 nm. obtained extremely photostable surviving more than 1 million pulses of second harmonic Nd:YAG laser, 50 mJ/pulse. Slope efficiencies 20% can be when longitudinal pumping is used at appropriate geometries. New composite based polycondensation alkoxysilanes with organically modified silanes are proposed host for leaking guides and titanium oxide guide lasers.