Optical constants of CDGM - ZK (Dense crown)
H-ZK1
Wavelength:
µm
(0.290–2.400)
Complex refractive index (n+ik)
n
k
LogX
LogY
eV
Derived optical constants
Dispersion formula
$$n^2-1=\frac{1.06131555λ^2}{λ^2-0.00543666583}+\frac{0.365740168λ^2}{λ^2-0.0187659148}+\frac{1.03466756λ^2}{λ^2-97.5169702}$$Conditions & Spec sheet
n_is_absolute: false
wavelength_is_vacuum: false
temperature: 20.0 °C
nd: 1.568880
Vd: 62.956990
glass_code: 569630
density: 3.06 g/cm3
thermal_expansion:
- temperature_range: -30 70 °C
coefficient: 6.1e-06 K-1
- temperature_range: 20 300 °C
coefficient: 7.5e-06 K-1
dPgF: -0.0011
References
CDGM Zemax catalog 2022-06 (obtained from http://www.cdgmgd.com)
See also CDGM optical glass data sheets