Optical constants of CDGM - ZK (Dense crown)
H-ZK3
Wavelength:
µm
(0.290–2.400)
Complex refractive index (n+ik)
n
k
LogX
LogY
eV
Derived optical constants
Dispersion formula
$$n^2-1=\frac{0.85567832λ^2}{λ^2-0.00441734284}+\frac{0.897778708λ^2}{λ^2-89.6045798}+\frac{0.631730586λ^2}{λ^2-0.015804179}$$Conditions & Spec sheet
n_is_absolute: false
wavelength_is_vacuum: false
temperature: 20.0 °C
thermal_dispersion:
- type: "Schott formula"
coefficients: 3.08e-06 1.39e-08 -6.59e-11 3.72e-07 5.78e-10 0.211
nd: 1.589130
Vd: 61.253571
glass_code: 589613
glass_status: standard
density: 3.26 g/cm3
thermal_expansion:
- temperature_range: -30 70 °C
coefficient: 5.2e-06 K-1
- temperature_range: 20 300 °C
coefficient: 7.1e-06 K-1
dPgF: -0.0017
climatic_resistance: 1.0
References
CDGM Zemax catalog 2022-06 (obtained from http://www.cdgmgd.com)
See also CDGM optical glass data sheets