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Surface roughness effect on optical absorptivity of metals

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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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Authors and Affiliations

  1. Istituti di Fisica, Universitá, I-95129, Catania, Italy

    S. Barbarino, F. Grasso, G. Guerriera, F. Musumeci, A. Scordino & A. Triglia

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  1. S. Barbarino
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  2. F. Grasso
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  3. G. Guerriera
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  4. F. Musumeci
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  5. A. Scordino
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  6. A. Triglia
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Barbarino, S., Grasso, F., Guerriera, G. et al. Surface roughness effect on optical absorptivity of metals. Appl. Phys. A 29, 77–80 (1982). https://doi.org/10.1007/BF00632430

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  • DOI: https://doi.org/10.1007/BF00632430

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