Michel-Lévy chart
A birefringence-thickness diagram correlating retardation values with the interference colour seen at that retardation under white-light crossed polars. Standard reference for identifying anisotropic materials by their PLM colour.
A birefringence-thickness diagram correlating retardation values with the interference colour seen at that retardation under white-light crossed polars. Standard reference for identifying anisotropic materials by their PLM colour.
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