Optical constants of CDGM - ZBAF (Dense barium flint)
H-ZBAF21
Wavelength:
µm
(0.350–2.400)
Complex refractive index (n+ik)
n
k
LogX
LogY
eV
Derived optical constants
Dispersion formula
$$n^2-1=\frac{1.71447483λ^2}{λ^2-0.0106695401}+\frac{0.172919641λ^2}{λ^2-0.0536257488}+\frac{1.37586664λ^2}{λ^2-127.687623}$$Conditions & Spec sheet
n_is_absolute: false
wavelength_is_vacuum: false
temperature: 20.0 °C
thermal_dispersion:
- type: "Schott formula"
coefficients: 1.42e-06 1.45e-08 -2.3e-11 7.19e-07 8.37e-10 0.256
nd: 1.723410
Vd: 37.991564
glass_code: 723380
density: 3.62 g/cm3
thermal_expansion:
- temperature_range: -30 70 °C
coefficient: 7.6e-06 K-1
- temperature_range: 20 300 °C
coefficient: 8.8e-06 K-1
dPgF: 0.0028
climatic_resistance: 1.0
References
CDGM Zemax catalog 2022-06 (obtained from http://www.cdgmgd.com)
See also CDGM optical glass data sheets