Optical constants of SCHOTT - BaLF (Barium light flint)
N-BALF5
Wavelength:
µm
(0.35–2.5)
Complex refractive index (n+ik)
n
k
LogX
LogY
eV
Derived optical constants
Dispersion formula
$$n^2-1=\frac{1.28385965λ^2}{λ^2-0.00825815975}+\frac{0.0719300942λ^2}{λ^2-0.0441920027}+\frac{1.05048927λ^2}{λ^2-107.097324}$$Conditions & Spec sheet
n_is_absolute: false
wavelength_is_vacuum: false
temperature: 20.0 °C
thermal_dispersion:
- type: "Schott formula"
coefficients: 1.14e-06 1.29e-08 -1.46e-11 5.02e-07 5.87e-10 0.219
nd: 1.54739
Vd: 53.63
glass_code: 547536.261
glass_status: standard
density: 2.614 g/cm3
thermal_expansion:
- temperature_range: -30 70 °C
coefficient: 7.34e-06 K-1
- temperature_range: 20 300 °C
coefficient: 8.43e-06 K-1
dPgF: -0.0004
climatic_resistance: 1.0
stain_resistance: 0.0
acid_resistance: 1.0
alkali_resistance: 2.0
phosphate_resistance: 1.0
Comments
References
SCHOTT Zemax catalog 2017-01-20b (obtained from http://www.schott.com)
See also SCHOTT glass data sheets