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Optical constants of CDGM - K (Crown)
H-K8
Wavelength:
µm
(0.310 – 2.400)
Complex refractive index (n+ik)
n
k
LogX
LogY
eV
Derived optical constants
Dispersion formula
$$n^2=2.26289162-0.00770544885λ^{2}+0.0130033906λ^{-2}-3.10393046\text{×}10^{-05}λ^{-4}+3.16686868\text{×}10^{-05}λ^{-6}-1.27242154\text{×}10^{-06}λ^{-8}$$Conditions & Spec sheet
n_absolute: false
wavelength_vacuum: false
temperature: 20.0 °C
thermal_dispersion:
- type: "Schott formula"
coefficients: 8.99e-07 1.86e-08 2.68e-12 5.14e-07 2.06e-10 0.246
nd: 1.516020
Vd: 56.810596
glass_code: 516568
density: 2.58 g/cm3
thermal_expansion:
- temperature_range: -30 70 °C
coefficient: 8.7e-06 K-1
- temperature_range: 20 300 °C
coefficient: 9.7e-06 K-1
dPgF: -0.0031
climatic_resistance: 2.0
References
CDGM Zemax catalog 2017-09 (obtained from http://www.cdgmgd.com)