Optical constants of CDGM - ZK (Dense crown)
H-ZK7
Wavelength:
µm
(0.290 – 2.400)
Complex refractive index (n+ik)
n
k
LogX
LogY
eV
Derived optical constants
Dispersion formula
$$n^2=2.56229558-0.0108844706λ^{2}+0.0140997791λ^{-2}+0.000379257039λ^{-4}-2.41612681\text{×}10^{-05}λ^{-6}+1.41616214\text{×}10^{-06}λ^{-8}$$Conditions & Spec sheet
n_absolute: false
wavelength_vacuum: false
temperature: 20.0 ℃
thermal_dispersion:
- type: "Schott formula"
coefficients: -5.31e-07 1.64e-08 -6.04e-11 3.53e-07 -1.4e-10 0.23
nd: 1.613095
Vd: 60.614383
glass_code: 613606
glass_status: preferred
density: 3.51 g/cm3
thermal_expansion:
- temperature_range: -30 70 ℃
coefficient: 6.1e-06 K-1
- temperature_range: 20 300 ℃
coefficient: 8e-06 K-1
dPgF: -0.0041
climatic_resistance: 4.0
References
CDGM Zemax catalog 2022-06 (obtained from http://www.cdgmgd.com)
See also CDGM optical glass data sheets