Refractive index of BaGa4S7 (Barium gallium sulfide, BGS)

Optical constants of BaGa₄S₇ (Barium gallium sulfide, BGS)
Kato et al 2021: n(α) 0.633–8.82 µm

Wavelength: µm

(0.633–8.82)

Complex refractive index (n+ik)[ i ]

Derived optical constants

Dispersion formula [ i ]

$$n^2=6.39731+\frac{0.15895}{λ^2-0.02841}+\frac{811.45}{λ^2-606.97}$$

Comments

n_α; room temperature.

References

K. Kato,V. V. Badikov, K. Miyata, V. Petrov. Refined Sellmeier equations for BaGa₄S₇, Appl. Opt., 60, 6600–6603 (2021)

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

BaGa₄S₇ (BGS)

External links

BaGa₄S₇ - Materials project

RefractiveIndex.INFO

Optical constants of BaGa₄S₇ (Barium gallium sulfide, BGS)
Kato et al 2021: n(α) 0.633–8.82 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

BaGa₄S₇ (BGS)

External links

Optical constants of BaGa4S7 (Barium gallium sulfide, BGS)Kato et al 2021: n(α) 0.633–8.82 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

BaGa4S7 (BGS)

External links

Optical constants of BaGa₄S₇ (Barium gallium sulfide, BGS)
Kato et al 2021: n(α) 0.633–8.82 µm

BaGa₄S₇ (BGS)