Optical constants of CDGM - F (Flint)
F6
Wavelength:
µm
(0.320–2.400)
Complex refractive index (n+ik)
n
k
LogX
LogY
eV
Derived optical constants
Dispersion formula
$$n^2=2.56849722-0.00836232123λ^{2}+0.0234448291λ^{-2}+0.000828924343λ^{-4}-1.18355482\text{×}10^{-05}λ^{-6}+4.09561662\text{×}10^{-06}λ^{-8}$$Conditions & Spec sheet
n_is_absolute: false
wavelength_is_vacuum: false
temperature: 20.0 °C
thermal_dispersion:
- type: "Schott formula"
coefficients: -4.05e-06 1.51e-08 -6.65e-11 1e-06 9.43e-10 0.24
nd: 1.624954
Vd: 35.577816
glass_code: 625356
glass_status: preferred
density: 3.6 g/cm3
thermal_expansion:
- temperature_range: -30 70 °C
coefficient: 9.8e-06 K-1
- temperature_range: 20 300 °C
coefficient: 1.22e-05 K-1
dPgF: -0.0011
References
CDGM Zemax catalog 2022-06 (obtained from http://www.cdgmgd.com)
See also CDGM optical glass data sheets