Optical constants of CDGM - K (Crown)
H-K7
Wavelength:
µm
(0.290 – 2.400)
Derived optical constants
n
k
logX
logY
eV
Dispersion formula
$$n^2=2.25978818-0.00693885931λ^{2}+0.0134488547λ^{-2}-0.000405904363λ^{-4}+7.64411122\text{×}10^{-05}λ^{-6}-3.51928135\text{×}10^{-06}λ^{-8}$$Conditions & Spec sheet
n_absolute: false
λ_vacuum: false
temperature: 20.0 °C
thermal_dispersion:
- type: "Schott formula"
coefficients: -3.47e-06 1.04e-08 -1.23e-11 5.23e-07 2.98e-10 0.19
n_d: 1.514778
V_d: 60.607173
glass_code: 515606
density: 2.54 g/cm3
thermal_expansion:
- temperature_range: -30 70 °C
coefficient: 8.5e-06 K-1
- temperature_range: 20 300 °C
coefficient: 1e-05 K-1
ΔP_gF: 0.0008
climatic_resistance: 2.0
References
CDGM Zemax catalog 2017-09 (obtained from http://www.cdgmgd.com)