Optical constants of CDGM - ZBAF (Dense barium flint)
ZBAF17
Wavelength:
µm
(0.350–2.400)
Complex refractive index (n+ik)
n
k
LogX
LogY
eV
Derived optical constants
Dispersion formula
$$n^2=2.7114815-0.0083031047λ^{2}+0.023733195λ^{-2}+0.00028197729λ^{-4}+3.9409899\text{×}10^{-05}λ^{-6}+7.1756265\text{×}10^{-07}λ^{-8}$$Conditions & Spec sheet
n_is_absolute: false
wavelength_is_vacuum: false
temperature: 20.0 °C
thermal_dispersion:
- type: "Schott formula"
coefficients: 3.29e-08 1.54e-08 -1.58e-11 7.94e-07 1.05e-09 0.24
nd: 1.667554
Vd: 41.957211
glass_code: 668419
glass_status: preferred
density: 3.8 g/cm3
thermal_expansion:
- temperature_range: -30 70 °C
coefficient: 7.8e-06 K-1
- temperature_range: 20 300 °C
coefficient: 9.1e-06 K-1
dPgF: -0.0014
climatic_resistance: 1.0
References
CDGM Zemax catalog 2022-06 (obtained from http://www.cdgmgd.com)
See also CDGM optical glass data sheets