Optical constants of CDGM - K (Crown)
H-K10
Wavelength:
µm
(0.313–2.400)
Complex refractive index (n+ik)
n
k
LogX
LogY
eV
Derived optical constants
Dispersion formula
$$n^2-1=\frac{0.231760668λ^2}{λ^2-0.0237840711}+\frac{1.03993508λ^2}{λ^2-0.00615271269}+\frac{0.966966878λ^2}{λ^2-117.740117}$$Conditions & Spec sheet
n_is_absolute: false
wavelength_is_vacuum: false
temperature: 20.0 °C
thermal_dispersion:
- type: "Schott formula"
coefficients: -3.97e-06 2.28e-08 -5.39e-11 4.17e-07 -3.71e-10 0.254
nd: 1.518180
Vd: 58.949331
glass_code: 518590
density: 2.5 g/cm3
thermal_expansion:
- temperature_range: -30 70 °C
coefficient: 9e-06 K-1
- temperature_range: 20 300 °C
coefficient: 1.08e-05 K-1
climatic_resistance: 3.0
References
CDGM Zemax catalog 2022-06 (obtained from http://www.cdgmgd.com)
See also CDGM optical glass data sheets