Tracking coherent low frequency vibrational information of Rh101 in ground and excited electronic states by broadband transient grating spectroscopy Project supported by the Science Challenge Project, China (Grant No. TZ2016001) and the National Natural Science Foundation of China (Grant No. 21673211). |
(color online) (a) Time sequence of the pump and probe pulse, where two pump pulses are fixed in time while probe is of time scanning. (b) Beam configuration of pump, probe, and TG signal in TG measurement. |