RefractiveIndex.INFO

Refractive index database

nk database   |   n2 database   |   about

Shelf

Book

Page

Optical constants of SCHOTT - BaF (Barium flint)
N-BAF4

Wavelength: µm
 (0.365–2.5)  
 

Complex refractive index (n+ik)[ i ]


n   k   LogX   LogY   eV

Derived optical constants

Dispersion formula [ i ]

$$n^2-1=\frac{1.42056328λ^2}{λ^2-0.00942015382}+\frac{0.102721269λ^2}{λ^2-0.0531087291}+\frac{1.14380976λ^2}{λ^2-110.278856}$$

Conditions & Spec sheet

n_is_absolute: false
wavelength_is_vacuum: false
temperature: 20.0 °C
thermal_dispersion:
  - type: "Schott formula"
    coefficients: 9.39e-07 1.24e-08 -9e-12 6.17e-07 8.42e-10 0.242
nd: 1.60568
Vd: 43.72
glass_code: 606437.289
glass_status: standard
density: 2.889 g/cm3
thermal_expansion:
  - temperature_range: -30 70 °C
    coefficient: 7.24e-06 K-1
  - temperature_range: 20 300 °C
    coefficient: 8.29e-06 K-1
dPgF: 0.003
climatic_resistance: 1.0
stain_resistance: 0.0
acid_resistance: 1.0
alkali_resistance: 1.2
phosphate_resistance: 1.3

Comments

References

SCHOTT Zemax catalog 2017-01-20b (obtained from http://www.schott.com)
See also SCHOTT glass data sheets

Data

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

INFO

SCHOTT AG

SCHOTT AG is a German glass manufacturer. SCHOTT also publishes a glass catalog (SCHOTT Optical Glass Datasheets), which is a standard reference for the properties of many optical glasses.

External links


Glass

External links