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Optical constants of CDGM - ZLAF (Dense lanthanum flint)
H-ZLAF66GT
Wavelength:
µm
(0.350 – 2.400)
Complex refractive index (n+ik)
n
k
LogX
LogY
eV
Derived optical constants
Dispersion formula
$$n^2=3.13578304-0.0105336277λ^{2}+0.0366011503λ^{-2}+0.000398524293λ^{-4}+7.65525829\text{×}10^{-05}λ^{-6}+3.24358098\text{×}10^{-06}λ^{-8}$$Conditions & Spec sheet
n_absolute: false
wavelength_vacuum: false
temperature: 20.0 °C
thermal_dispersion:
- type: "Schott formula"
coefficients: -1.89e-06 1.64e-08 -1.41e-10 8.7e-07 1.01e-09 0.245
nd: 1.800999
Vd: 34.972131
glass_code: 801350
glass_status: standard
density: 3.89 g/cm3
thermal_expansion:
- temperature_range: -30 70 °C
coefficient: 7.9e-06 K-1
- temperature_range: 20 300 °C
coefficient: 9.3e-06 K-1
dPgF: 0.001
climatic_resistance: 1.0
References
CDGM Zemax catalog 2017-09 (obtained from http://www.cdgmgd.com)