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