Optical constants of CDGM - ZF (Dense flint)
H-ZF88
Wavelength:
µm
(0.390–2.400)
Complex refractive index (n+ik)
n
k
LogX
LogY
eV
Derived optical constants
Dispersion formula
$$n^2-1=\frac{2.04275349λ^2}{λ^2-0.0169742976}+\frac{1.98276153λ^2}{λ^2-109.068151}+\frac{0.504267829λ^2}{λ^2-0.075171071}$$Conditions & Spec sheet
n_is_absolute: false
wavelength_is_vacuum: false
temperature: 20.0 °C
thermal_dispersion:
- type: "Schott formula"
coefficients: -3.58e-06 1.75e-08 -4.67e-11 1.18e-06 1.91e-09 0.33
nd: 1.945950
Vd: 17.941964
glass_code: 946179
glass_status: standard
density: 3.52 g/cm3
thermal_expansion:
- temperature_range: -30 70 °C
coefficient: 6e-06 K-1
- temperature_range: 20 300 °C
coefficient: 7.3e-06 K-1
dPgF: 0.0401
climatic_resistance: 1.0
References
CDGM Zemax catalog 2022-06 (obtained from http://www.cdgmgd.com)
See also CDGM optical glass data sheets