Optical constants of CDGM - ZBAF (Dense barium flint)
H-ZBAF3
Wavelength:
µm
(0.340 – 2.400)
Complex refractive index (n+ik)
n
k
LogX
LogY
eV
Derived optical constants
Dispersion formula
$$n^2-1=\frac{0.175551746λ^2}{λ^2-0.0360804664}+\frac{1.51566987λ^2}{λ^2-0.00823043679}+\frac{1.11140587λ^2}{λ^2-113.991537}$$Conditions & Spec sheet
n_absolute: false
wavelength_vacuum: false
temperature: 20.0 ℃
thermal_dispersion:
- type: "Schott formula"
coefficients: -8.53e-07 1.64e-08 -5.14e-11 4.62e-07 2.21e-10 0.257
nd: 1.656910
Vd: 51.121380
glass_code: 657511
density: 3.77 g/cm3
thermal_expansion:
- temperature_range: -30 70 ℃
coefficient: 7.5e-06 K-1
- temperature_range: 20 300 ℃
coefficient: 9e-06 K-1
dPgF: -0.0006
climatic_resistance: 1.0
References
CDGM Zemax catalog 2022-06 (obtained from http://www.cdgmgd.com)
See also CDGM optical glass data sheets