Fig. 5

Schematic of a 2D-numerical model of TBC with the topcoat layer thickness, \(\:{T}_{topcoat}=\:186\:{\upmu\:}\text{m}\), and refractive index, \(\:n=4.8\)

Schematic of a 2D-numerical model of TBC with the topcoat layer thickness, \(\:{T}_{topcoat}=\:186\:{\upmu\:}\text{m}\), and refractive index, \(\:n=4.8\)