This dataset contains experimental data relating to that presented in 'All-electronic phase-resolved THz microscopy using the self-mixing effect in a semiconductor laser'

Fig1b.xlsx contains (Frequency, spectral power) data presented in Fig.1b of the above paper, obtained with QCL driving currents 700mA, 600mA, 500mA and 450mA.

Fig3.xlsx contains (Current, voltage) data presented in Fig.3 of the above paper. i.e. Self-mixing voltages extracted from the series of THz-s-SNOM images shown in Figure 2 of the above paper, for gold and SiO2 regions of the Au/SiO2 sample.

Fig4a.xlsx contains (Frequency, permittivity) data presented in Fig.4a of the above paper.  Real and imaginary components of the complex permittivity of KBr determined from a single phonon oscillator model are given.

Fig4b.xlsx contains (Frequency, magnitude) data presented in Fig.4b of the above paper.  Magnitude (in arb units) of the complex scattering efficiency obtained for KBr and Au using the finite dipole model are given.

Fig4c.xlsx contains (Frequency, Phase) data presented in Fig.4c of the above paper.  The phase (in degrees) of the complex scattering efficiency obtained for KBr and Au using the finite dipole model are given.

Fig5.xlsx contains (Current, voltage) data presented in Fig.5 of the above paper. i.e. Self-mixing voltages extracted for gold and KBr regions of the Au/KBr sample.