Optical constants of CDGM - ZF (Dense flint)
ZF5
Wavelength:
µm
(0.350–2.400)
Complex refractive index (n+ik)
n
k
LogX
LogY
eV
Derived optical constants
Dispersion formula
$$n^2=2.9160432-0.010435647λ^{2}+0.033907872λ^{-2}+0.0022728802λ^{-4}-0.00013563213λ^{-6}+1.6527592\text{×}10^{-05}λ^{-8}$$Conditions & Spec sheet
n_is_absolute: false
wavelength_is_vacuum: false
temperature: 20.0 °C
nd: 1.739999
Vd: 28.245048
glass_code: 740282
glass_status: preferred
density: 4.65 g/cm3
thermal_expansion:
- temperature_range: -30 70 °C
coefficient: 8.6e-06 K-1
- temperature_range: 20 300 °C
coefficient: 9.8e-06 K-1
dPgF: 0.0039
References
CDGM Zemax catalog 2022-06 (obtained from http://www.cdgmgd.com)
See also CDGM optical glass data sheets