Optical constants of CDGM - ZK (Dense crown)
H-ZK50GT
Wavelength:
µm
(0.280–2.400)
Complex refractive index (n+ik)
n
k
LogX
LogY
eV
Derived optical constants
Dispersion formula
$$n^2-1=\frac{0.434311306λ^2}{λ^2+0.00192252587}+\frac{1.10560033λ^2}{λ^2-0.0147271072}+\frac{0.988776159λ^2}{λ^2-110.41165}$$Conditions & Spec sheet
n_is_absolute: false
wavelength_is_vacuum: false
temperature: 20.0 °C
thermal_dispersion:
- type: "Schott formula"
coefficients: 3.24e-06 1.77e-08 -2.57e-11 5.34e-07 1.22e-10 0.194
nd: 1.607380
Vd: 56.654511
glass_code: 607567
density: 3.54 g/cm3
thermal_expansion:
- temperature_range: -30 70 °C
coefficient: 6.8e-06 K-1
- temperature_range: 20 300 °C
coefficient: 7.7e-06 K-1
dPgF: -0.001
climatic_resistance: 1.0
References
CDGM Zemax catalog 2022-06 (obtained from http://www.cdgmgd.com)
See also CDGM optical glass data sheets