Optical constants of CDGM - K (Crown)
D-K9
Wavelength:
µm
(0.280 – 2.400)
Derived optical constants
n
k
logX
logY
eV
Dispersion formula
$$n^2=2.27154844-0.0108815116λ^{2}+0.00996474656λ^{-2}+0.000380487041λ^{-4}-2.93440524\text{×}10^{-05}λ^{-6}+1.45099948\text{×}10^{-06}λ^{-8}$$Conditions & Spec sheet
n_absolute: false
wavelength_vacuum: false
temperature: 20.0 °C
thermal_dispersion:
- type: "Schott formula"
coefficients: 5.87e-06 2.83e-08 -2.76e-10 3.3e-07 9.87e-10 0.244
nd: 1.516324
Vd: 64.048495
glass_code: 516641
density: 2.41 g/cm3
thermal_expansion:
- temperature_range: -30 70 °C
coefficient: 6.3e-06 K-1
- temperature_range: 20 300 °C
coefficient: 7.8e-06 K-1
dPgF: -0.0031
climatic_resistance: 1.0
References
CDGM Zemax catalog 2017-09 (obtained from http://www.cdgmgd.com)