Optical effects of highly curved multilayer structure found in the scale of structurally colored moth

Shinya Yoshioka; Shuichi Kinoshita

doi:10.1117/12.824861

21 August 2009 Optical effects of highly curved multilayer structure found in the scale of structurally colored moth

Shinya Yoshioka, Shuichi Kinoshita

Proceedings Volume 7401, Biomimetics and Bioinspiration; 740105 (2009) https://doi.org/10.1117/12.824861
Event: SPIE NanoScience + Engineering, 2009, San Diego, California, United States

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.

Citation Download Citation

Shinya Yoshioka and Shuichi Kinoshita "Optical effects of highly curved multilayer structure found in the scale of structurally colored moth", Proc. SPIE 7401, Biomimetics and Bioinspiration, 740105 (21 August 2009); https://doi.org/10.1117/12.824861

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