Optical constants of BaB2O4 (Barium borate, BBO)
Tamošauskas et al. 2018: n(e),k 0.188–5.2 µm
Wavelength:
µm
(0.188–5.2)
Complex refractive index (n+ik)
n
k
LogX
LogY
eV
Derived optical constants
Dispersion formula
$$n^2-1=\frac{1.151075λ^2}{λ^2-0.007142}+\frac{0.21803λ^2}{λ^2-0.02259}+\frac{0.656λ^2}{λ^2-263}$$Comments
Beta barium borate (ß-BaB2O4, BBO). Extraordinary ray (e).
References
1) G. Tamošauskas, G. Beresnevičius, D. Gadonas, A. Dubietis. Transmittance and phase matching of BBO crystal in the 3−5 μm range and its application for the characterization of mid-infrared laser pulses, Opt. Mater. Express 8, 1410-1418 (2018)
2) G. Tamošauskas. β-barium borate (BBO) absorption in the 0.188-6.22 μm range, arXiv:2111.01212 [physics.optics] (2021) (Numerical data kindly provided by Gintaras Tamošauskas)
Data
INFO
Barium borate, BaB2O4 (BBO)
Most common allotrope
- Beta barium borate (ß-BaB2O4)