each txt file have 3 columns : time delay(ps), delay stage position(mm), lock-in readout voltage (mV)
scanaaa_T#K and scanabb_T#K: are data for manuscript fig2, temperature dependent measurement. scanaaa refers to probe //a, scanabb refers to probe //b
scanaaa_F# and scanabb_F#:are data for manuscript fig4, fluence dependent measurement.scanaaa refers to probe //a, scanabb refers to probe //b