Optical constants of CDGM - BAK (Barium crown)
H-BAK5
Wavelength:
µm
(0.300–2.400)
Complex refractive index (n+ik)
n
k
LogX
LogY
eV
Derived optical constants
Dispersion formula
$$n^2-1=\frac{0.858085903λ^2}{λ^2-101.018871}+\frac{0.38007029λ^2}{λ^2-0.0203677495}+\frac{1.01787547λ^2}{λ^2-0.0056451589}$$Conditions & Spec sheet
n_is_absolute: false wavelength_is_vacuum: false temperature: 20.0 °C thermal_dispersion: - type: "Schott formula" coefficients: 1.61e-07 2e-08 -4.99e-11 5.12e-07 4.45e-10 0.21 nd: 1.560690 Vd: 58.344731 glass_code: 561583 density: 3.01 g/cm3 thermal_expansion: - temperature_range: -30 70 °C coefficient: 7.6e-06 K-1 - temperature_range: 20 300 °C coefficient: 8.8e-06 K-1 dPgF: -0.0007 climatic_resistance: 1.0
References
CDGM Zemax catalog 2022-06 (obtained from http://www.cdgmgd.com)
See also CDGM optical glass data sheets