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