ISSN:
1434-601X
Source:
Springer Online Journal Archives 1860-2000
Topics:
Physics
Notes:
Abstract The optical constants of the alkali metal rubidium have been measured in the wavelength region from 0,3 to 2,4 μ in the solid and liquid state at temperatures between 195 and 313 °K, by analysing intensity and polarisation of the monochromatic radiations reflected by the surface of the metal. These mirrorlike surfaces, free of any contamination and not distorted by any treatment, were prepared and measured in ultrahigh vacuum. The purity of the metal was checked by measuring the residual resistance at liquid helium temperatures. The values thus obtained forn,k, ɛ1=n 2−k 2 and ɛ2=2nk, listed in tables, and their temperature dependence permit the determination of 1. the frequency of the volume-plasmaoscillation, 2. the core polarizability, 3. the optical mass, 4. the optical conductivity resp. relaxation time, 5. and to separate the temperature dependent “Drude”-absorption from other temperature independent absorption mechanisms, particularely the interband absorption. Values of the reflectivity for perpendicular incidence and of the penetration depth are determined and given.
Type of Medium:
Electronic Resource
URL:
http://dx.doi.org/10.1007/BF01386771
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