Optical constants of CDGM - ZK (Dense crown)
H-ZK6
Wavelength:
µm
(0.310–2.400)
Complex refractive index (n+ik)
n
k
LogX
LogY
eV
Derived optical constants
Dispersion formula
$$n^2-1=\frac{1.3513924λ^2}{λ^2-0.00735017182}+\frac{0.206957487λ^2}{λ^2-0.0254398321}+\frac{0.961153882λ^2}{λ^2-99.5133128}$$Conditions & Spec sheet
n_absolute: false
wavelength_vacuum: false
temperature: 20.0 ℃
thermal_dispersion:
- type: "Schott formula"
coefficients: 1.08e-07 1.53e-08 -3.29e-11 4.32e-07 6.25e-10 0.191
nd: 1.612720
Vd: 58.577083
glass_code: 613586
density: 3.54 g/cm3
thermal_expansion:
- temperature_range: -30 70 ℃
coefficient: 6.3e-06 K-1
- temperature_range: 20 300 ℃
coefficient: 7.9e-06 K-1
dPgF: -0.0008
climatic_resistance: 2.0
References
CDGM Zemax catalog 2022-06 (obtained from http://www.cdgmgd.com)
See also CDGM optical glass data sheets