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Proceedings Paper

Optical effects of highly curved multilayer structure found in the scale of structurally colored moth
Author(s): Shinya Yoshioka; Shuichi Kinoshita
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Paper Abstract

Multilayer interference phenomenon has been widely applied to various optical components that have highly wavelength-selective properties in reflection and transmission. In nature, some animals also take advantage of a similar mechanism for the coloration of their brilliant bodies. However, natural examples of multilayer thin-film structure are often modified in some structural aspects, and the modifications have been found to cause interesting optical effects. Recently, we found such an example, highly curved multilayer structure, in the wing scale of the Madagascan sunset moth. In this paper, we report the extended study of this subject. First, we will review the structural characteristics and various optical phenomena that occur on the wing of the moth. Second, inspired by the coloration mechanism of the moth wing, we newly consider multilayer designs for the color plates that change their colors depending on the analyzing direction of polarization.

Paper Details

Date Published: 21 August 2009
PDF: 14 pages
Proc. SPIE 7401, Biomimetics and Bioinspiration, 740105 (21 August 2009); doi: 10.1117/12.824861
Show Author Affiliations
Shinya Yoshioka, Osaka Univ. (Japan)
Shuichi Kinoshita, Osaka Univ. (Japan)

Published in SPIE Proceedings Vol. 7401:
Biomimetics and Bioinspiration
Raul J. Martin-Palma; Akhlesh Lakhtakia, Editor(s)

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