Fig. 5: Theory and simulation results of the triple-layer model.
From: Amplifying time-harmonic thermal signal in spinning lock-in thermography

Here \(\omega =\frac{{{\rm{\pi }}}}{4}\) rad s−1 a Temperature amplitude of varied \({\Omega }_{1}\) and \({\Omega }_{2}\). b Derived amplitude of theoretical results (light blue solid line with cyan triangles) and corresponding simulation results (brown scatter points).