Unique Reflection Property Due to Bumpy Multilayer Structure in Elytra of Rhomborrhina unicolor
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概要
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Various species of animals use microstructures in their bodies to produce brilliant colors called structural colors. In this study, we analyzed the glossy green structural color of Rhomborrhina unicolor (a coleoptera) using scanning transmission electron microscopy (STEM) and reflection spectroscopy. The reflector in the elytra of R. unicolor is composed of a bumpy multilayer whose tilting angle to the elytron surface is approximately 20°, as revealed by STEM and reflection spectroscopy. This bumpiness broadens the reflection band. In other words, the green light is reflected over a broad range of angles to the elytron surface, which may be helpful in camouflage, conspecific recognition, and so forth.
- 2010-04-25
著者
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Okoshi Kento
Department Of Polymer Chemistry Tokyo Institute Of Technology:crest-jst (japan Science And Technolog
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Kang Sungmin
Department Of Nuclear Medicine Kyungpook National University School Of Medicine
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Junji Watanabe
Department of Organic and Polymeric Materials, Tokyo Institute of Technology, Meguro, Tokyo 152-8552, Japan
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Masatoshi Tokita
Department of Organic and Polymeric Materials, Tokyo Institute of Technology, Meguro, Tokyo 152-8552, Japan
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Edo Susumu
Department of Organic and Polymeric Materials, Tokyo Institute of Technology, Meguro, Tokyo 152-8552, Japan
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Kento Okoshi
Department of Organic and Polymeric Materials, Tokyo Institute of Technology, Meguro, Tokyo 152-8552, Japan
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