Optical constants of CDGM - ZF (Dense flint)
ZF6
Wavelength:
µm
(0.350–2.400)
Complex refractive index (n+ik)
n
k
LogX
LogY
eV
Derived optical constants
Dispersion formula
$$n^2=2.96285995-0.0104077823λ^{2}+0.0356441238λ^{-2}+0.00245699205λ^{-4}-0.000149615893λ^{-6}+1.77827751\text{×}10^{-05}λ^{-8}$$Conditions & Spec sheet
n_is_absolute: false
wavelength_is_vacuum: false
temperature: 20.0 °C
nd: 1.755205
Vd: 27.546239
glass_code: 755275
density: 4.78 g/cm3
thermal_expansion:
- temperature_range: -30 70 °C
coefficient: 8e-06 K-1
- temperature_range: 20 300 °C
coefficient: 9.4e-06 K-1
dPgF: 0.002
climatic_resistance: 1.0
References
CDGM Zemax catalog 2022-06 (obtained from http://www.cdgmgd.com)
See also CDGM optical glass data sheets