Optical constants of CDGM - ZBAF (Dense barium flint)
ZBAF51
Wavelength:
µm
(0.340–2.400)
Complex refractive index (n+ik)
n
k
LogX
LogY
eV
Derived optical constants
Dispersion formula
$$n^2=2.7590164-0.0058180526λ^{2}+0.026609946λ^{-2}-0.00075485994λ^{-4}+0.00017640459λ^{-6}-6.7271173\text{×}10^{-06}λ^{-8}$$Conditions & Spec sheet
n_is_absolute: false
wavelength_is_vacuum: false
temperature: 20.0 °C
thermal_dispersion:
- type: "Schott formula"
coefficients: -1.51e-06 1.79e-08 -4.04e-11 7.85e-07 6.9e-11 0.221
nd: 1.682726
Vd: 44.528543
glass_code: 683445
glass_status: preferred
density: 4.14 g/cm3
thermal_expansion:
- temperature_range: -30 70 °C
coefficient: 7.8e-06 K-1
- temperature_range: 20 300 °C
coefficient: 8.9e-06 K-1
dPgF: 0.0004
References
CDGM Zemax catalog 2022-06 (obtained from http://www.cdgmgd.com)
See also CDGM optical glass data sheets