Optical constants of Be (Beryllium)
Svechnikov et al. 2020: n,k 0.00496–0.0608 µm
Wavelength:
µm
(4.95937E-03–6.07766E-02)
Complex refractive index (n+ik)
n
k
LogX
LogY
eV
Derived optical constants
Conditions & Spec sheet
n_absolute: true wavelength_vacuum: true
Comments
Optical constants are derived from the initial data that include measurements of the transmittance of two free-standing Be films with thicknesses of 70 nm and 152 nm, as well as reflectometric measurements of similar films on a substrate.
References
M. Svechnikov, N. Chkhalo, A. Lopatin, R. Pleshkov, V. Polkovnikov, N. Salashchenko, F. Schäfers, M.G. Sertsu, A. Sokolov, N. Tsybin. Optical constants of sputtered beryllium thin films determined from photoabsorption measurements in the spectral range 20.4–250 eV, J. Synchrotron Rad. 27, 75-82 (2020)