Optical constants of CDGM - ZF (Dense flint)
ZF1
Wavelength:
µm
(0.330–2.400)
Complex refractive index (n+ik)
n
k
LogX
LogY
eV
Derived optical constants
Dispersion formula
$$n^2=2.6356161-0.008839642λ^{2}+0.025644781λ^{-2}+0.00096522374λ^{-4}-1.8304798\text{×}10^{-05}λ^{-6}+5.5563517\text{×}10^{-06}λ^{-8}$$Conditions & Spec sheet
n_absolute: false
wavelength_vacuum: false
temperature: 20.0 ℃
nd: 1.647693
Vd: 33.836872
glass_code: 648338
glass_status: preferred
density: 3.84 g/cm3
thermal_expansion:
- temperature_range: -30 70 ℃
coefficient: 8.9e-06 K-1
- temperature_range: 20 300 ℃
coefficient: 1.04e-05 K-1
dPgF: 0.0006
climatic_resistance: 1.0
References
CDGM Zemax catalog 2022-06 (obtained from http://www.cdgmgd.com)
See also CDGM optical glass data sheets