Optical constants of CDGM - ZF (Dense flint)
ZF3
Wavelength:
µm
(0.340–2.400)
Complex refractive index (n+ik)
n
k
LogX
LogY
eV
Derived optical constants
Dispersion formula
$$n^2=2.84758519-0.0105088281λ^{2}+0.0309450925λ^{-2}+0.00213696398λ^{-4}-0.00013104012λ^{-6}+1.42428874\text{×}10^{-05}λ^{-8}$$Conditions & Spec sheet
n_is_absolute: false
wavelength_is_vacuum: false
temperature: 20.0 °C
thermal_dispersion:
- type: "Schott formula"
coefficients: 3.61e-06 2.44e-08 -3.11e-10 1.38e-06 1.2e-09 0.261
nd: 1.717365
Vd: 29.510385
glass_code: 717295
glass_status: preferred
density: 4.46 g/cm3
thermal_expansion:
- temperature_range: -30 70 °C
coefficient: 8.3e-06 K-1
- temperature_range: 20 300 °C
coefficient: 9.5e-06 K-1
dPgF: 0.0012
climatic_resistance: 1.0
References
CDGM Zemax catalog 2022-06 (obtained from http://www.cdgmgd.com)
See also CDGM optical glass data sheets