Optical constants of CDGM - ZBAF (Dense barium flint)
H-ZBAF50
Wavelength:
µm
(0.313–2.400)
Complex refractive index (n+ik)
n
k
LogX
LogY
eV
Derived optical constants
Dispersion formula
$$n^2-1=\frac{1.63431974λ^2}{λ^2-0.00983161322}+\frac{0.988379475λ^2}{λ^2-102.398826}+\frac{0.0611984018λ^2}{λ^2-0.0499038842}$$Conditions & Spec sheet
n_is_absolute: false
wavelength_is_vacuum: false
temperature: 20.0 °C
thermal_dispersion:
- type: "Schott formula"
coefficients: -1.31e-06 1.42e-08 -3.27e-11 5.21e-07 3.53e-10 0.234
nd: 1.658440
Vd: 50.852265
glass_code: 658509
density: 3.77 g/cm3
thermal_expansion:
- temperature_range: -30 70 °C
coefficient: 7.5e-06 K-1
- temperature_range: 20 300 °C
coefficient: 9e-06 K-1
dPgF: -0.0013
climatic_resistance: 2.0
References
CDGM Zemax catalog 2022-06 (obtained from http://www.cdgmgd.com)
See also CDGM optical glass data sheets