Optical constants of CDGM - ZF (Dense flint)
ZF51
Wavelength:
µm
(0.360–2.400)
Complex refractive index (n+ik)
n
k
LogX
LogY
eV
Derived optical constants
Dispersion formula
$$n^2=3.06187076-0.0138733563λ^{2}+0.032985222λ^{-2}+0.00507141578λ^{-4}-0.000538606629λ^{-6}+4.36089245\text{×}10^{-05}λ^{-8}$$Conditions & Spec sheet
n_is_absolute: false
wavelength_is_vacuum: false
temperature: 20.0 °C
thermal_dispersion:
- type: "Schott formula"
coefficients: 3.8e-06 2.76e-08 -6.03e-11 1.6e-06 1.02e-09 0.279
nd: 1.784701
Vd: 26.075871
glass_code: 785261
glass_status: preferred
density: 4.99 g/cm3
thermal_expansion:
- temperature_range: -30 70 °C
coefficient: 8.2e-06 K-1
- temperature_range: 20 300 °C
coefficient: 1.02e-05 K-1
dPgF: 0.0052
climatic_resistance: 1.0
References
CDGM Zemax catalog 2022-06 (obtained from http://www.cdgmgd.com)
See also CDGM optical glass data sheets