Optical constants of CDGM - BAK (Barium crown)
H-BAK6
Wavelength:
µm
(0.300 – 2.400)
Complex refractive index (n+ik)
n
k
LogX
LogY
eV
Derived optical constants
Dispersion formula
$$n^2-1=\frac{0.813984879λ^2}{λ^2-0.00392398403}+\frac{0.595734077λ^2}{λ^2-0.0164900015}+\frac{1.00704301λ^2}{λ^2-107.665801}$$Conditions & Spec sheet
n_absolute: false
wavelength_vacuum: false
temperature: 20.0 ℃
thermal_dispersion:
- type: "Schott formula"
coefficients: 1.02e-06 1.71e-08 -1.32e-11 4.2e-07 2.66e-10 0.209
nd: 1.563880
Vd: 60.764747
glass_code: 564608
density: 3.05 g/cm3
thermal_expansion:
- temperature_range: -30 70 ℃
coefficient: 6e-06 K-1
- temperature_range: 20 300 ℃
coefficient: 7.7e-06 K-1
dPgF: -0.0006
References
CDGM Zemax catalog 2022-06 (obtained from http://www.cdgmgd.com)
See also CDGM optical glass data sheets