Optical constants of CDGM - K (Crown)
H-K2
Wavelength:
µm
(0.280–2.400)
Complex refractive index (n+ik)
n
k
LogX
LogY
eV
Derived optical constants
Dispersion formula
$$n^2-1=\frac{0.951357962λ^2}{λ^2-0.0112894891}+\frac{0.969614738λ^2}{λ^2-99.1744348}+\frac{0.273207194λ^2}{λ^2+0.00245665699}$$Conditions & Spec sheet
n_is_absolute: false wavelength_is_vacuum: false temperature: 20.0 °C thermal_dispersion: - type: "Schott formula" coefficients: 3.23e-06 2.28e-08 -4.09e-11 4.76e-07 3e-10 0.032 nd: 1.500470 Vd: 66.020774 glass_code: 500660 density: 2.42 g/cm3 thermal_expansion: - temperature_range: -30 70 °C coefficient: 5.5e-06 K-1 - temperature_range: 20 300 °C coefficient: 6.5e-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