Optical constants of CDGM - ZK (Dense crown)
H-ZK3A
Wavelength:
µm
(0.280–2.400)
Complex refractive index (n+ik)
n
k
LogX
LogY
eV
Derived optical constants
Dispersion formula
$$n^2-1=\frac{0.964352845λ^2}{λ^2-94.8895042}+\frac{0.77489966λ^2}{λ^2-0.014985413}+\frac{0.712663198λ^2}{λ^2-0.00294423381}$$Conditions & Spec sheet
n_is_absolute: false
wavelength_is_vacuum: false
temperature: 20.0 °C
thermal_dispersion:
- type: "Schott formula"
coefficients: 1.86e-06 1.8e-08 -8.52e-12 4.69e-07 3.35e-10 0.137
nd: 1.589130
Vd: 61.253100
glass_code: 589613
glass_status: standard
density: 3.31 g/cm3
thermal_expansion:
- temperature_range: -30 70 °C
coefficient: 5.5e-06 K-1
- temperature_range: 20 300 °C
coefficient: 6.8e-06 K-1
dPgF: -0.0013
climatic_resistance: 3.0
References
CDGM Zemax catalog 2022-06 (obtained from http://www.cdgmgd.com)
See also CDGM optical glass data sheets