Optical constants of SCHOTT - BaSF (Barium dense flint)
N-BASF64
Wavelength:
µm
(0.365–2.5)
Complex refractive index (n+ik)
n
k
LogX
LogY
eV
Derived optical constants
Dispersion formula
$$n^2-1=\frac{1.65554268λ^2}{λ^2-0.0104485644}+\frac{0.17131977λ^2}{λ^2-0.0499394756}+\frac{1.33664448λ^2}{λ^2-118.961472}$$Conditions & Spec sheet
n_is_absolute: false
wavelength_is_vacuum: false
temperature: 20.0 °C
thermal_dispersion:
- type: "Schott formula"
coefficients: 1.6e-06 1.02e-08 -2.68e-11 7.87e-07 9.65e-10 0.229
nd: 1.704
Vd: 39.38
glass_code: 704394.320
glass_status: standard
density: 3.2 g/cm3
thermal_expansion:
- temperature_range: -30 70 °C
coefficient: 7.3e-06 K-1
- temperature_range: 20 300 °C
coefficient: 8.7e-06 K-1
dPgF: -0.0006
climatic_resistance: 1.0
stain_resistance: 0.0
acid_resistance: 3.2
alkali_resistance: 1.2
phosphate_resistance: 1.0
Comments
References
SCHOTT Zemax catalog 2017-01-20b (obtained from http://www.schott.com)
See also SCHOTT glass data sheets