Optical constants of HIKARI - LaSF (Lanthanum dense flint)
J-LASF09

Wavelength: µm

(0.320 – 2.400)

Derived optical constants

Dispersion formula

$$n^2=3.21640776-0.0137992658λ^{2}-0.000161434942λ^{4}+0.0281939284λ^{-2}+0.000509661263λ^{-4}+1.00848603\text{×}10^{-05}λ^{-6}+6.06649264\text{×}10^{-07}λ^{-8}$$

Data

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

Additional information

n_is_absolute: false λ_is_vacuum: false temperature: 23.0 °C n_d: 1.816000 V_d: 46.589656 density: 4.98 g/cm³ coefficient_of_thermal_expansion_1: 5.8e-06 K^-1 ΔP_gF: -0.0095 phosphate_resistance: 1.0

References

1) HIKARI optical glass catalog 2015-04-01
2) HIKARI Zemax catalog

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 = °

Optical constants of HIKARI - LaSF (Lanthanum dense flint)
J-LASF09

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

Data

Additional information

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

External links

Latest optical glass catalog

Optical constants of HIKARI - LaSF (Lanthanum dense flint)J-LASF09

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

Data

Additional information

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

External links

Latest optical glass catalog

Optical constants of HIKARI - LaSF (Lanthanum dense flint)
J-LASF09