Optical constants of CDGM - ZF (Dense flint)
H-ZF72A
Wavelength:
µm
(0.390 – 2.400)
Complex refractive index (n+ik)
n
k
LogX
LogY
eV
Derived optical constants
Dispersion formula
$$n^2-1=\frac{0.470478653λ^2}{λ^2-0.0736024509}+\frac{2.55040233λ^2}{λ^2-149.306621}+\frac{2.00593441λ^2}{λ^2-0.0162999226}$$Conditions & Spec sheet
n_absolute: false
wavelength_vacuum: false
temperature: 20.0 ℃
thermal_dispersion:
- type: "Schott formula"
coefficients: -5.63e-06 1.59e-08 -4.96e-11 1.13e-06 1.73e-09 0.328
nd: 1.922860
Vd: 18.895887
glass_code: 923189
glass_status: standard
density: 3.57 g/cm3
thermal_expansion:
- temperature_range: -30 70 ℃
coefficient: 6.7e-06 K-1
- temperature_range: 20 300 ℃
coefficient: 8.4e-06 K-1
dPgF: 0.0363
climatic_resistance: 1.0
References
CDGM Zemax catalog 2022-06 (obtained from http://www.cdgmgd.com)
See also CDGM optical glass data sheets