Optical constants of CDGM - F (Flint)
F1
Wavelength:
µm
(0.320–2.400)
Complex refractive index (n+ik)
n
k
LogX
LogY
eV
Derived optical constants
Dispersion formula
$$n^2=2.5059651-0.0078686119λ^{2}+0.021574214λ^{-2}+0.00059867966λ^{-4}-9.5194606\text{×}10^{-07}λ^{-6}+2.9024858\text{×}10^{-06}λ^{-8}$$Conditions & Spec sheet
n_is_absolute: false
wavelength_is_vacuum: false
temperature: 20.0 °C
nd: 1.603417
Vd: 38.014870
glass_code: 603380
glass_status: preferred
density: 3.43 g/cm3
thermal_expansion:
- temperature_range: -30 70 °C
coefficient: 9.2e-06 K-1
- temperature_range: 20 300 °C
coefficient: 1.14e-05 K-1
dPgF: -0.0022
climatic_resistance: 3.0
References
CDGM Zemax catalog 2022-06 (obtained from http://www.cdgmgd.com)
See also CDGM optical glass data sheets