# RefractiveIndex.INFO

## Optical constants of CaCO₃ (Calcite)

From RefrectiveIndex.INFO - Refractive index database

Optical constants of CaCO3 (Calcite)
 Option: Ordinary ray (o) - Ghosh Extraordinary ray (e) - Ghosh Ordinary ray (o) - Handbook of Optics Extraordinary ray (e) - Handbook of Optics Wavelength: µm  (0.204~2.172) [line select]  [unit converter]
Refractive index

Refractive index - Wikipedia

 n = 1.65846 Chromatic dispersion Dispersion (optics) - Wikipedia dn/dλ = -0.0680 µm-1 Abbe numbers Abbe number - Wikipedia Vd = 49.91 Ve = 49.71 Formulae    Abbe diagram
Dispersion formula

Sellmeier equation - Wikipedia

$$n^2 = 1.73358749 + \frac{0.96464345 λ^2}{λ^2-1.94325203\text{×}10^{-2}} + \frac{1.82831454 λ^2}{λ^2-120}$$

Expressions for n

Conditions

Room temperature

References

- Gorachand Ghosh. Dispersion-equation coefficients for the refractive index and birefringence of calcite and quartz crystals, Opt. Commun. 163, 95-102 (1999) doi:10.1016/S0030-4018(99)00091-7

Reflection calculator
Angle of incidence (0~90°):
Direction: in out
 Reflectance (at 0.5876 µm) Fresnel equations - Wikipedia RS = ... (S-polarized) RP = ... (P-polarized) R = ... (non-polarized, (RS+RP)/2 ) Reflection phase ɸ = ...° ɸS = ...° ɸP = ...° Brewster's angle Brewster's angle - Wikipedia θB = ...° Critical angle Total internal reflection - Wikipedia θC = ...°