Juan I. Larruquert and Ritva A. M. Keski-Kuha
Abstract
Hot-pressed B4C is found to have a high normal reflectance in the extreme-UV spectral region above 49 nm. This reflectance is comparable with or higher than chemical-vapor-deposited SiC in the spectral region from 49 to 92 nm. Reflectance measurements as a function of the angle of incidence yielded the optical constants of B4C in the spectral range 49–121.6 nm.
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