微細周期構造における構造性発色の3次元数値解析

カテゴリ: 論文誌(論文単位)

グループ名: 【A】基礎・材料・共通部門

発行日: 2011/11/01

タイトル(英語): Three Dimensional Numerical Analysis of Structural Coloration in Subwavelength Periodic Structures

著者名: 若林　秀昭（岡山県立大学情報工学部），山北　次郎（岡山県立大学情報工学部）

著者名(英語): Hideaki Wakabayashi (Faculty of Computer Science and Systems Engineering, Okayama Prefectural University), Jiro Yamakita (Faculty of Computer Science and Systems Engineering, Okayama Prefectural University)

キーワード: 構造性発色，微細周期構造，3次元解析，モルフォチョウ，standard RGB，色度座標　　structural coloration，subwavelength periodic structure，three dimensional analysis，Morpho butterfly，standard RGB，chromaticity coordinate

要約(英語): This study deals with structural coloration caused by a subwavelength periodic structure modeled on a tree-like structure that comprises a lamella and ridge on the scales of a Morpho butterfly wing. For a three-dimensional scattering problem of the structure for an unpolarized incident wave, we formulate a color specification procedure to calculate the reflection spectrum in visible wavelengths using the matrix eigenvalues method and obtain the tristimulus values of standard RGB or chromaticity coordinates (x, y) from the spectrum. Moreover, we obtain numerical results for the structural coloration observed from the azimuthal direction. Results show that by considering periodicity during analysis, coloration varies against the azimuthal direction. Therefore, a periodic structure is found to significantly affect iridescent color.

本誌: 電気学会論文誌A（基礎・材料・共通部門誌） Vol.137 No.11 （2017） 特集：電気電子絶縁材料システムシンポジウム

本誌掲載ページ: 661-667 p

原稿種別: 論文／日本語

電子版へのリンク: https://www.jstage.jst.go.jp/article/ieejfms/137/11/137_661/_article/-char/ja/