Optical constants of BaF₂ (Barium fluoride)
Li 1980: n 0.15-15.0 µm

Wavelength: µm

(0.15 – 15)

Derived optical constants

logX logY eV

Dispersion formula [ i ]

$$n^2-1=0.33973+\frac{0.81070λ^2}{λ^2-0.10065^2}+\frac{0.19652λ^2}{λ^2-29.87^2}+\frac{4.52469λ^2}{λ^2-53.82^2}$$

Comments

293 K (20 °C).

Data

[Expressions for n] [CSV - comma separated] [TXT - tab separated] [Full database record]

References

H. H. Li. Refractive index of alkaline earth halides and its wavelength and temperature derivatives. J. Phys. Chem. Ref. Data 9, 161-289 (1980) and references therein.
^* Sellmeier formula is derived by critical analysis of experimental data from several sources.

Reflection calculator

Angle of incidence (0~90°):
Direction: in out

Reflectance (at µm)[ i ]

R_S = (S-polarized)
R_P = (P-polarized)
R = (non-polarized, (R_S+R_P)/2 )

Reflection phase[ i ]

ɸ = °
ɸ_S = °
ɸ_P = °

Brewster's angle[ i ]

θ_B = °

Critical angle[ i ] [ i ]

θ_C = °

More info - wiki

Barium fluoride, BaF₂

Other names

Barium difluoride, Barium(II) fluoride

Optical constants of BaF₂ (Barium fluoride)
Li 1980: n 0.15-15.0 µm

Refractive index[ i ]

Extinction coefficient[ i ]

Derived optical constants

Relative permittivity (dielectric constants)[ i ] [ i ]

Absorption coefficient[ i ] [ i ]

Abbe number[ i ]

Chromatic dispersion[ i ]

Group index[ i ] [ i ]

Group velocity dispersion[ i ] [ i ] [ i ]

Dispersion formula [ i ]

Comments

Data

References

Optical transmission calculator

Transmittance (at µm)[ i ]

Reflection calculator

Reflectance (at µm)[ i ]

Reflection phase[ i ]

Brewster's angle[ i ]

Critical angle[ i ] [ i ]

More info - wiki

Other names

External links

Optical constants of BaF2 (Barium fluoride)Li 1980: n 0.15-15.0 µm

Refractive index[ i ]

Extinction coefficient[ i ]

Derived optical constants

Relative permittivity (dielectric constants)[ i ] [ i ]

Absorption coefficient[ i ] [ i ]

Abbe number[ i ]

Chromatic dispersion[ i ]

Group index[ i ] [ i ]

Group velocity dispersion[ i ] [ i ] [ i ]

Dispersion formula [ i ]

Comments

Data

References

Optical transmission calculator

Transmittance (at µm)[ i ]

Reflection calculator

Reflectance (at µm)[ i ]

Reflection phase[ i ]

Brewster's angle[ i ]

Critical angle[ i ] [ i ]

More info - wiki

Other names

External links

Optical constants of BaF₂ (Barium fluoride)
Li 1980: n 0.15-15.0 µm