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Optical constants of CDGM - ZF (Dense flint)
H-ZF62
Wavelength:
µm
(0.390 – 2.400)
Complex refractive index (n+ik)
n
k
LogX
LogY
eV
Derived optical constants
Dispersion formula
$$n^2=3.50341992-0.0191891965λ^{2}+0.0536641379λ^{-2}+0.00664979774λ^{-4}-0.000678415522λ^{-6}+8.33179504\text{×}10^{-05}λ^{-8}$$Conditions & Spec sheet
n_absolute: false
wavelength_vacuum: false
temperature: 20.0 °C
thermal_dispersion:
- type: "Schott formula"
coefficients: -6.93e-06 1.88e-08 -4.14e-12 1.03e-06 1.45e-09 0.316
nd: 1.922866
Vd: 20.882149
glass_code: 923209
density: 4.01 g/cm3
thermal_expansion:
- temperature_range: -30 70 °C
coefficient: 6.4e-06 K-1
- temperature_range: 20 300 °C
coefficient: 7.7e-06 K-1
dPgF: 0.0298
References
CDGM Zemax catalog 2017-09 (obtained from http://www.cdgmgd.com)