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Optical constants of OHARA - BAM (Barium, medium-index)
S-BAM4
Wavelength:
µm
(0.35 – 2.4)
Complex refractive index (n+ik)
n
k
LogX
LogY
eV
Derived optical constants
Dispersion formula
$$n^2-1=\frac{1.41059317λ^2}{λ^2-0.00963312192}+\frac{0.111201306λ^2}{λ^2-0.049877821}+\frac{1.34148939λ^2}{λ^2-152.237696}$$Conditions & Spec sheet
n_absolute: false
wavelength_vacuum: false
temperature: 25.0 °C
thermal_dispersion:
- type: "Schott formula"
coefficients: -1.96e-06 1.25e-08 -3.24e-11 5e-07 6.02e-10 0.288
nd: 1.605620
Vd: 43.706978
glass_code: 606437
density: 2.91 g/cm3
thermal_expansion:
- temperature_range: -30 70 °C
coefficient: 8.4e-06 K-1
- temperature_range: 20 300 °C
coefficient: 9.7e-06 K-1
dPgF: 0.0013
climatic_resistance: 1.0
acid_resistance: 1.0
phosphate_resistance: 1.0
Comments
Recommended
References
OHARA Zemax catalog 2017-11-30 (obtained from http://www.ohara-inc.co.jp)
See also OHARA glass data sheets