Refractive index of ThF4 (Thorium tetrafluoride)

Optical constants of ThF₄ (Thorium tetrafluoride)
Heitmann and Ritter 1976: n 0.26–0.76 µm

Wavelength: µm

(0.26–0.76)

Complex refractive index (n+ik)[ i ]

Derived optical constants

Dispersion formula [ i ]

$$n^2-1=\frac{1.2485λ^2}{λ^2-0.010466}$$

Comments

ThF₄ film on quartz glass

References

W. Heitmann and E. Ritter. Production and properties of vacuum evaporated films of thorium fluoride, Appl. Opt. 7, 307-309 (1968)
(Digitization of graphical data and fitting with the Sellmeier dispersion formula: refractiveindex.info)

Data

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

Optical transmission calculator

Wavelength: µm
Thickness:
Calculation method:

Transmittance[ i ]

T =

LogX LogY eV

Reflection calculator

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

Reflectance[ i ]

P-polarized

R_P =

S-polarized

R_S =

Non-polarized (Rp+Rs)/2

R =

R_P R_S R LogY

Reflection phase[ i ]

ɸ_P = °
ɸ_S = °

Brewster's angle[ i ]

θ_B = °

Critical angle[ i ] [ i ]

θ_C = °

INFO

Thorium tetrafluoride, ThF₄

Other names

Thorium(IV) fluoride
Thorium fluoride

RefractiveIndex.INFO

Optical constants of ThF₄ (Thorium tetrafluoride)
Heitmann and Ritter 1976: n 0.26–0.76 µm

Complex refractive index (n+ik)[ i ]

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

References

Data

Optical transmission calculator

Transmittance[ i ]

Reflection calculator

Reflectance[ i ]

P-polarized

S-polarized

Non-polarized (Rp+Rs)/2

Reflection phase[ i ]

Brewster's angle[ i ]

Critical angle[ i ] [ i ]

INFO

Thorium tetrafluoride, ThF₄

Other names

External links

Optical constants of ThF4 (Thorium tetrafluoride)Heitmann and Ritter 1976: n 0.26–0.76 µm

Complex refractive index (n+ik)[ i ]

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

References

Data

Optical transmission calculator

Transmittance[ i ]

Reflection calculator

Reflectance[ i ]

P-polarized

S-polarized

Non-polarized (Rp+Rs)/2

Reflection phase[ i ]

Brewster's angle[ i ]

Critical angle[ i ] [ i ]

INFO

Thorium tetrafluoride, ThF4

Other names

External links

Optical constants of ThF₄ (Thorium tetrafluoride)
Heitmann and Ritter 1976: n 0.26–0.76 µm

Thorium tetrafluoride, ThF₄