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Optical constants of CDGM - ZF (Dense flint)
H-ZF7LA
Wavelength:
µm
(0.360 – 2.400)
Complex refractive index (n+ik)
n
k
LogX
LogY
eV
Derived optical constants
Dispersion formula
$$n^2=3.11930169-0.0120954989λ^{2}+0.0427579381λ^{-2}+0.00249825483λ^{-4}-0.000116785147λ^{-6}+2.28047853\text{×}10^{-05}λ^{-8}$$Conditions & Spec sheet
n_absolute: false
wavelength_vacuum: false
temperature: 20.0 °C
thermal_dispersion:
- type: "Schott formula"
coefficients: -7.02e-06 1.12e-08 -1.8e-11 8.78e-07 1.42e-09 0.31
nd: 1.805189
Vd: 25.477290
glass_code: 805255
glass_status: standard
density: 3.35 g/cm3
thermal_expansion:
- temperature_range: -30 70 °C
coefficient: 9e-06 K-1
- temperature_range: 20 300 °C
coefficient: 1.13e-05 K-1
dPgF: 0.0098
climatic_resistance: 1.0
References
CDGM Zemax catalog 2017-09 (obtained from http://www.cdgmgd.com)