Optical constants of CDGM - QF (Light flint)
H-QF56
Wavelength:
µm
(0.350 – 2.400)
Complex refractive index (n+ik)
n
k
LogX
LogY
eV
Derived optical constants
Dispersion formula
$$n^2=2.40441893-0.00857629873λ^{2}+0.0176754574λ^{-2}+0.000438205807λ^{-4}-1.42198699\text{×}10^{-06}λ^{-6}+2.74287911\text{×}10^{-06}λ^{-8}$$Conditions & Spec sheet
n_absolute: false
wavelength_vacuum: false
temperature: 20.0 °C
thermal_dispersion:
- type: "Schott formula"
coefficients: -4.86e-06 1.38e-08 -3.64e-11 7.51e-07 4.38e-11 0.236
nd: 1.567320
Vd: 42.807794
glass_code: 567428
density: 2.62 g/cm3
thermal_expansion:
- temperature_range: -30 70 °C
coefficient: 9.4e-06 K-1
- temperature_range: 20 300 °C
coefficient: 1.11e-05 K-1
dPgF: 0.0015
climatic_resistance: 1.0
References
CDGM Zemax catalog 2017-09 (obtained from http://www.cdgmgd.com)