Optical constants of CDGM - ZF (Dense flint)
ZF52
Wavelength:
µm
(0.360–2.400)
Complex refractive index (n+ik)
n
k
LogX
LogY
eV
Derived optical constants
Dispersion formula
$$n^2=3.242645-0.00779545833λ^{2}+0.0533808621λ^{-2}+0.00151154152λ^{-4}+7.22194744\text{×}10^{-05}λ^{-6}+1.6602659\text{×}10^{-05}λ^{-8}$$Conditions & Spec sheet
n_is_absolute: false
wavelength_is_vacuum: false
temperature: 20.0 °C
thermal_dispersion:
- type: "Schott formula"
coefficients: 5.94e-06 2.59e-08 -2.29e-10 1.88e-06 1.39e-09 0.284
nd: 1.846669
Vd: 23.827549
glass_code: 847238
glass_status: preferred
density: 5.49 g/cm3
thermal_expansion:
- temperature_range: -30 70 °C
coefficient: 8.6e-06 K-1
- temperature_range: 20 300 °C
coefficient: 9.9e-06 K-1
dPgF: 0.014
climatic_resistance: 1.0
References
CDGM Zemax catalog 2022-06 (obtained from http://www.cdgmgd.com)
See also CDGM optical glass data sheets