Optical constants of CDGM - ZK (Dense crown)
H-ZK7A
Wavelength:
µm
(0.290–2.400)
Complex refractive index (n+ik)
n
k
LogX
LogY
eV
Derived optical constants
Dispersion formula
$$n^2-1=\frac{0.938065696λ^2}{λ^2-0.00438468072}+\frac{0.623491935λ^2}{λ^2-0.0169391481}+\frac{1.00587058λ^2}{λ^2-93.2750706}$$Conditions & Spec sheet
n_is_absolute: false
wavelength_is_vacuum: false
temperature: 20.0 °C
thermal_dispersion:
- type: "Schott formula"
coefficients: 3.89e-07 1.54e-08 -4.77e-11 3.87e-07 5.71e-10 0.198
nd: 1.613090
Vd: 60.355862
glass_code: 613604
density: 3.41 g/cm3
thermal_expansion:
- temperature_range: -30 70 °C
coefficient: 6.2e-06 K-1
- temperature_range: 20 300 °C
coefficient: 7.5e-06 K-1
dPgF: -0.0019
climatic_resistance: 4.0
References
CDGM Zemax catalog 2022-06 (obtained from http://www.cdgmgd.com)
See also CDGM optical glass data sheets