Refractive index of CRYSTRAN - Optical materials

Optical constants of CRYSTRAN - Optical materials
LaF₃ - Lanthanum fluoride (e)

Wavelength: µm

(0.254–0.547)

Complex refractive index (n+ik)[ i ]

Derived optical constants

Conditions

orientation: e

Comments

Optical data are for extraordinary ray (e).

References

Crystran Ltd. The Crystran handbook of infra-red and ultra-violet optical materials (5th edition, 2023)
See also Crystran LaF₃ online data sheet

Data

[CSV - comma separated] [TXT - tab separated] [Full database record]

Optical transmission calculator

Wavelength: µm
Thickness:
Calculation method: [ i ]

Sample transmittance and reflectance

Transmittance of a freestanding sample in vacuum

T =

Reflectance of a freestanding sample in vacuum

R =

Fresnel 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 = °

RefractiveIndex.INFO

Optical constants of CRYSTRAN - Optical materials
LaF₃ - Lanthanum fluoride (e)

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 ]

Conditions

Comments

References

Data

Optical transmission calculator

Sample transmittance and reflectance

Transmittance of a freestanding sample in vacuum

Reflectance of a freestanding sample in vacuum

Fresnel reflection calculator

Reflectance[ i ]

P-polarized

S-polarized

Non-polarized (Rp+Rs)/2

Reflection phase[ i ]

Brewster's angle[ i ]

Critical angle[ i ] [ i ]

Additional information

Optical constants of CRYSTRAN - Optical materialsLaF3 - Lanthanum fluoride (e)

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 ]

Conditions

Comments

References

Data

Optical transmission calculator

Sample transmittance and reflectance

Transmittance of a freestanding sample in vacuum

Reflectance of a freestanding sample in vacuum

Fresnel reflection calculator

Reflectance[ i ]

P-polarized

S-polarized

Non-polarized (Rp+Rs)/2

Reflection phase[ i ]

Brewster's angle[ i ]

Critical angle[ i ] [ i ]

Additional information

Optical constants of CRYSTRAN - Optical materials
LaF₃ - Lanthanum fluoride (e)