| Abstract: | The optical limiting properties of a cubanelike transition-metal cluster compound (n-Bu4N)3［MoAg3BrI3S4］ were measured at 532 nm and 1064 nm using Q-switched laser pulses. Its optical limiting capability was found to be better than that of C60 at 532 nm. It has demonstrated the transient all-optical switching for this material in air-saturated acetonitrile. The control light was 532 nm pulse laser. The signal light was 632.8 nm CW laser. The lifetime of the excited state, about 600 ns, can be deduced from the switching time. It is about 2 times as that of C60 (T1) in air-saturated toluene. |
