Optical constants of CDGM - ZF (Dense flint)
H-ZF71GT
Wavelength:
µm
(0.370–2.400)
Complex refractive index (n+ik)
n
k
LogX
LogY
eV
Derived optical constants
Dispersion formula
$$n^2-1=\frac{0.406804868λ^2}{λ^2-0.064515213}+\frac{1.70831097λ^2}{λ^2-0.0127703237}+\frac{2.36137303λ^2}{λ^2-163.275585}$$Conditions & Spec sheet
n_is_absolute: false
wavelength_is_vacuum: false
temperature: 20.0 °C
thermal_dispersion:
- type: "Schott formula"
coefficients: -9.66e-06 1.15e-08 -5.06e-11 9.75e-07 1.26e-09 0.313
nd: 1.808100
Vd: 22.698087
glass_code: 808227
density: 3.3 g/cm3
thermal_expansion:
- temperature_range: -30 70 °C
coefficient: 9.3e-06 K-1
- temperature_range: 20 300 °C
coefficient: 1.05e-05 K-1
dPgF: 0.0224
climatic_resistance: 1.0
References
CDGM Zemax catalog 2022-06 (obtained from http://www.cdgmgd.com)
See also CDGM optical glass data sheets