Optical constants of CDGM - K (Crown)
D-K59
Wavelength:
µm
(0.310 – 2.400)
Derived optical constants
n
k
logX
logY
eV
Dispersion formula
$$n^2=2.27042265-0.00876481814λ^{2}+0.0132414328λ^{-2}-0.000548580823λ^{-4}+9.37358416\text{×}10^{-05}λ^{-6}-4.41911546\text{×}10^{-06}λ^{-8}$$Conditions & Spec sheet
n_absolute: false
λ_vacuum: false
temperature: 20.0 °C
thermal_dispersion:
- type: "Schott formula"
coefficients: 5.85e-06 2.25e-08 -1.51e-10 3.09e-07 -8.98e-10 0.268
n_d: 1.517602
V_d: 63.502624
glass_code: 518635
density: 2.41 g/cm3
thermal_expansion:
- temperature_range: -30 70 °C
coefficient: 6e-06 K-1
- temperature_range: 20 300 °C
coefficient: 8e-06 K-1
ΔP_gF: -0.0016
climatic_resistance: 1.0
References
CDGM Zemax catalog 2017-09 (obtained from http://www.cdgmgd.com)