Before revision: A table of coefficients for common optical materials is shown below: Material A B (μm2)Fused silica 1.4580 0.00354Borosilicate glass BK7 1.5046 0.00420Hard crown glass K5 1.5220 0.00459Barium crown glass BaK4 1.5690 0.00531Barium flint glass BaF10 1.6700 0.00743Dense flint glass SF10 1.7280 0.01342 The theory of light-matter interaction on which Cauchy based this equation was later found to be incorrect.
After revision: A table of coefficients for common optical materials is shown below: Material A B (μm2)Fused silica 1.4580 0.00354Borosilicate glass BK7 1.5046 0.00420Hard crown glass K5 1.5220 0.00459Barium crown glass BaK4 1.560 0.00531Barium flint glass BaF10 1.6700 0.00743Dense flint glass SF10 1.7280 0.01342 The theory of light-matter interaction on which Cauchy based this equation was later found to be incorrect.