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https://open.uns.ac.rs/handle/123456789/3326
Title: | Scattering-enhanced absorption and interference produce a golden wing color of the burnished brass moth, Diachrysia chrysitis | Authors: | Pantelić D. Savić-Šević S. Stojanović, Dejan Ćurčić, Srećko Krmpot A. Rabasović M. Pavlović D. Lazović V. Milošević, Vojislav |
Issue Date: | 8-Mar-2017 | Journal: | Physical Review E | Abstract: | © 2017 American Physical Society. Here we report how interference and scattering-enhanced absorption act together to produce the golden wing patches of the burnished brass moth. The key mechanism is scattering on rough internal surfaces of the wing scales, accompanied by a large increase of absorption in the UV-blue spectral range. Unscattered light interferes and efficiently reflects from the multilayer composed of the scales and the wing membranes. The resulting spectrum is remarkably similar to the spectrum of metallic gold. Subwavelength morphology and spectral and absorptive properties of the wings are described. Theories of subwavelength surface scattering and local intensity enhancement are used to quantitatively explain the observed reflectance spectrum. | URI: | https://open.uns.ac.rs/handle/123456789/3326 | ISSN: | 24700045 | DOI: | 10.1103/PhysRevE.95.032405 |
Appears in Collections: | ILFE Publikacije/Publications |
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