Optical constants of CDGM - ZK (Dense crown)
D-ZK2L
Wavelength:
µm
(0.300–2.400)
Complex refractive index (n+ik)
n
k
LogX
LogY
eV
Derived optical constants
Dispersion formula
$$n^2-1=\frac{0.512521894λ^2}{λ^2-0.0176943616}+\frac{0.967402158λ^2}{λ^2-0.00510795325}+\frac{1.12488967λ^2}{λ^2-109.10377}$$Conditions & Spec sheet
n_is_absolute: false
wavelength_is_vacuum: false
temperature: 20.0 °C
thermal_dispersion:
- type: "Schott formula"
coefficients: 2.09e-06 1.37e-08 -3.16e-11 4.84e-07 4.03e-10 0.189
nd: 1.587000
Vd: 59.600321
glass_code: 587596
density: 2.99 g/cm3
thermal_expansion:
- temperature_range: 20 300 °C
coefficient: 9e-06 K-1
dPgF: -0.0033
Comments
anneal rate:4°C/h
References
CDGM Zemax catalog 2022-06 (obtained from http://www.cdgmgd.com)
See also CDGM optical glass data sheets