Optical constants of CDGM - BAK (Barium crown)
H-BAK1
Wavelength:
µm
(0.280 – 2.400)
Complex refractive index (n+ik)
n
k
LogX
LogY
eV
Derived optical constants
Dispersion formula
$$n^2-1=\frac{0.685984613λ^2}{λ^2-0.0154934494}+\frac{0.901677469λ^2}{λ^2-106.588731}+\frac{0.622429167λ^2}{λ^2-0.00222670016}$$Conditions & Spec sheet
n_absolute: false
wavelength_vacuum: false
temperature: 20.0 ℃
thermal_dispersion:
- type: "Schott formula"
coefficients: -6.33e-07 1.53e-08 -1.21e-10 4.68e-07 1.43e-09 0.21
nd: 1.530280
Vd: 60.466139
glass_code: 530605
density: 2.74 g/cm3
thermal_expansion:
- temperature_range: -30 70 ℃
coefficient: 7.3e-06 K-1
- temperature_range: 20 300 ℃
coefficient: 9e-06 K-1
climatic_resistance: 1.0
References
CDGM Zemax catalog 2022-06 (obtained from http://www.cdgmgd.com)
See also CDGM optical glass data sheets