Optical Properties of Highly Transparent Solids:
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Bibliographische Detailangaben
Weitere Verfasser: Mitra, Shashanka S. (HerausgeberIn), Bendow, Bernard (HerausgeberIn)
Format: Elektronisch E-Book
Sprache:English
Veröffentlicht: Boston, MA Springer US 1975
Schriftenreihe:Optical Physics and Engineering
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Beschreibung:Although much work has been performed on measurements and interpretation of light absorption by opaque or nearly opaque solids, it is surprising to note that until recently relatively little reliable experimental data, and much less theoretical work was available on the nature of transparent solids. This, in spite of the fact that a vast majority of engineering and device applications of a solid depend on its optical transparency. Needless to say, all solids are both transparent and opaque depending on the spectral region of consideration. The absorption processes that limit the transparency of a solid are either due to lattice vibrations, as in ionic or partially ionic solids, or due to electronic transitions, both intrinsic and impurity-induced. For most materials, a sufficiently wide spectral window exists between these two limits, where the material is transparent. In general, the absorption coefficient, in the long wavelength side of, but sufficiently away from, the fundamental absorption edge, is relatively structureless and has an exponential dependence on frequency. Recent evidence suggests that in the short wavelength side of the one-phonon region, but beyond two- or three-phonon singularities, the absorption coefficient of both polar and nonpolar solids is also relatively structureless and depends exponentially on frequency
Beschreibung:1 Online-Ressource
ISBN:9781468421781
9781468421804
DOI:10.1007/978-1-4684-2178-1

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