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_absolute: false
wavelength_vacuum: false
temperature: 20.0 °C
thermal_dispersion:
- type: "Schott formula"
coefficients: -8.96e-06 1.64e-08 -4.85e-11 3.1e-07 6.57e-10 0.24
nd: 1.487491
Vd: 70.419640
glass_code: 487704
glass_status: standard
density: 2.43 g/cm3
thermal_expansion:
- temperature_range: -30 70 °C
coefficient: 9.2e-06 K-1
- temperature_range: 20 300 °C
coefficient: 1.02e-05 K-1
dPgF: 0.0045
climatic_resistance: 2.0
References
CDGM Zemax catalog 2017-09 (obtained from http://www.cdgmgd.com)