@@ According to the theory of optical films, we simulate the reflectivity of antireflection coatings(ARCS)for solar cells of Gao.51no.5P/GaAs/Ge based on an optical transfer matrix.In order to provide sufficient consideration of the refractive index dispersion effect of multilayer ARCS, we use multi-dimensional matrix data for reliable simulation.After the reflection curves are obtained, the effective average reflectance Re is introduced to optimize the film system by minimizing Re.Optimization of single layer(A1203), double layer(MgF2/ZnS)and triple layer(MgF2/A12O3/ZnS)ARCS is realized by using this method for space and terrestrial applications.Effects of these ARCS are compared after optimization.These theoretical parameters can be used to guide experiments.
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