Photoacoustic signals generated by nonradiative processes of photo-initiated chemical reactions in solutions have been detected by a laser heterodyne interierometer witli high sensitivity and wide band.This technique ...Photoacoustic signals generated by nonradiative processes of photo-initiated chemical reactions in solutions have been detected by a laser heterodyne interierometer witli high sensitivity and wide band.This technique can accurately carry out the time-resolved measurement of transient processes in nanosecond scale.The experimental results and theoretical calculations for probing some fast chemicol reactions are described.展开更多
基金Supported by the National Natural Science Foundation of China。
文摘Photoacoustic signals generated by nonradiative processes of photo-initiated chemical reactions in solutions have been detected by a laser heterodyne interierometer witli high sensitivity and wide band.This technique can accurately carry out the time-resolved measurement of transient processes in nanosecond scale.The experimental results and theoretical calculations for probing some fast chemicol reactions are described.