Optical constants of CDGM - ZF (Dense flint)
H-ZF4A
Wavelength:
µm
(0.365–2.400)
Complex refractive index (n+ik)
n
k
LogX
LogY
eV
Derived optical constants
Dispersion formula
$$n^2-1=\frac{1.67238093λ^2}{λ^2-0.0133653851}+\frac{1.34134437λ^2}{λ^2-122.464022}+\frac{0.204305471λ^2}{λ^2-0.0641192325}$$Conditions & Spec sheet
n_is_absolute: false
wavelength_is_vacuum: false
temperature: 20.0 °C
thermal_dispersion:
- type: "Schott formula"
coefficients: -5.36e-06 1.47e-08 -3.86e-11 1.02e-06 8.24e-10 0.276
nd: 1.728250
Vd: 28.318797
glass_code: 728283
glass_status: standard
density: 3.05 g/cm3
thermal_expansion:
- temperature_range: -30 70 °C
coefficient: 9.3e-06 K-1
- temperature_range: 20 300 °C
coefficient: 1.12e-05 K-1
dPgF: 0.0107
climatic_resistance: 1.0
References
CDGM Zemax catalog 2022-06 (obtained from http://www.cdgmgd.com)
See also CDGM optical glass data sheets