Optical constants of CDGM - QK (Light crown)
H-QK3L
Wavelength:
µm
(0.280 – 2.400)
Derived optical constants
n
k
logX
logY
eV
Dispersion formula
$$n^2=2.18873391-0.00969305681λ^{2}+0.00915154799λ^{-2}+6.46567507\text{×}10^{-05}λ^{-4}+9.18900583\text{×}10^{-06}λ^{-6}-4.71149273\text{×}10^{-07}λ^{-8}$$Conditions & Spec sheet
n_is_absolute: false λ_is_vacuum: false temperature: 20.0 °C coefficients_of_thermal_dispersion: -8.96e-06 1.64e-08 -4.85e-11 3.1e-07 6.57e-10 0.24 n_d: 1.487491 V_d: 70.419640 glass_code: 487704 glass_status: standard density: 2.43 g/cm3 coefficient_of_thermal_expansion_1: 9.2e-06 K-1 coefficient_of_thermal_expansion_2: 1.02e-05 K-1 ΔP_gF: 0.0045 climatic_resistance: 2.0
References
CDGM Zemax catalog 2017-09 (obtained from http://www.cdgmgd.com)