Project supported by the National Natural Science Foundation of China (Grant Nos. 20973050 and 10904023)
Experiments on fs laser-induced transient grating (LITG) in carbon bisulfide (CS2) are carried out to explore the chirp characteristics of a white-light supercontinuum (SC) generated by a 800-nm, 160-fs laser pu...
the National Natural Science Foundation of China (Grant Nos.20973050 and 60478015) for its financial support
The poly-[2-methoxy,(5-2′-ethyl-hexyloxy)-p-phenylene vinylene](MEH-PPV) film is investigated by means of the Multi-Color Photon Echo(MCPE) technique. Under the three-order nonlinear response theory,the reason for th...