Surface roughness effect on optical absorptivity of metals |
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| Authors: | S. Barbarino F. Grasso G. Guerriera F. Musumeci A. Scordino A. Triglia |
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| Affiliation: | (1) Istituti di Fisica, Universitá, I-95129 Catania, Italy |
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| Abstract: | The white light (3700 K) optical absorptivity has been measured, using a calorimetric method, for a series of rough cold-worked metal surfaces. Results show a strong maximum ( 30%) in absorptivity vs roughness. The depth variance of surface imperfections (from 20 to 700 nm) has been determined by measuring infrared reflectance of the samples. |
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| Keywords: | 78.20.Dj |
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