= Refractive index and extinction coefficient of thin film materials
{wiki=Refractive_index_and_extinction_coefficient_of_thin_film_materials}
The refractive index and extinction coefficient are two important optical properties of materials, particularly in the context of thin films. Here's a detailed look at both: \#\#\# Refractive Index (\\(n\\)) The refractive index is a dimensionless number that describes how light propagates through a medium. It quantifies the bending of light as it passes from one medium to another.
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