Modification of Time-Resolved Step-Scan and Rapid-Scan FTIR Spectroscopy for Modulation Spectroscopy in the Frequency Range from Hz to kHz

this paper are more transparent and better accessible for the user and provide additional timedependent information (time domain, e.g. the time course of the absorbance during the stimulus period). 0.000 0.005 0.010 0.015 Phase lag /deg Frequency of sample modulation /Hz 1 10 100 1000 10000 45 90 135 180 22