Optical constants of CDGM - ZF (Dense flint)
ZF11
Wavelength:
µm
(0.365–2.400)
Complex refractive index (n+ik)
n
k
LogX
LogY
eV
Derived optical constants
Dispersion formula
$$n^2=2.7906689-0.010644977λ^{2}+0.029071854λ^{-2}+0.0021286607λ^{-4}-0.00015815625λ^{-6}+1.7145247\text{×}10^{-05}λ^{-8}$$Conditions & Spec sheet
n_absolute: false
wavelength_vacuum: false
temperature: 20.0 ℃
nd: 1.698949
Vd: 30.065686
glass_code: 699301
glass_status: preferred
density: 4.06 g/cm3
thermal_expansion:
- temperature_range: -30 70 ℃
coefficient: 7.3e-06 K-1
- temperature_range: 20 300 ℃
coefficient: 8.8e-06 K-1
dPgF: 0.0048
References
CDGM Zemax catalog 2022-06 (obtained from http://www.cdgmgd.com)
See also CDGM optical glass data sheets