data file 2.CSV

Time domain spectra (a) and frequency domain spectra (b) of Mn3B7O13Cl at different temperatures; Refractive index image of Mn3B7O13Cl at different temperatures (c); Refractive index with temperature at typical frequencies (d); Absorption coefficient image of Mn3B7O13Cl at different temperatures (e); Curves of absorption coefficient with temperature at typical frequencies (f)