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Optical constants of CDGM - K (Crown)
H-K51
Wavelength:
µm
(0.310 – 2.400)
Complex refractive index (n+ik)
n
k
LogX
LogY
eV
Derived optical constants
Dispersion formula
$$n^2=2.28704699-0.00896946455λ^{2}+0.0115278522λ^{-2}+0.00030799622λ^{-4}-7.93584686\text{×}10^{-06}λ^{-6}+2.91898123\text{×}10^{-07}λ^{-8}$$Conditions & Spec sheet
n_absolute: false
wavelength_vacuum: false
temperature: 20.0 °C
thermal_dispersion:
- type: "Schott formula"
coefficients: -7.23e-07 1.38e-08 -8.37e-11 5.74e-07 1.43e-09 0.169
nd: 1.523074
Vd: 58.658089
glass_code: 523586
glass_status: standard
density: 2.53 g/cm3
thermal_expansion:
- temperature_range: -30 70 °C
coefficient: 8e-06 K-1
- temperature_range: 20 300 °C
coefficient: 9.9e-06 K-1
dPgF: -0.001
climatic_resistance: 2.0
References
CDGM Zemax catalog 2017-09 (obtained from http://www.cdgmgd.com)