Structural colors of pearls

Abstract The luster is the most important characteristic of pearls, whose colors depend on periodic structures of aragonite crystal layers and conchiolin sheets. We here propose an optical model for analyzing the structural colors of pearls that includes the transmission, reflection, and scattering...

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Autores principales:	Ryotaro Ozaki, Kei Kikumoto, Masataka Takagaki, Kazunori Kadowaki, Kazushi Odawara
Formato:	article
Lenguaje:	EN
Publicado:	Nature Portfolio 2021
Materias:	Medicine R Science Q
Acceso en línea:	https://doaj.org/article/69be3420c7a74ea890149311264fe43b
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spelling	oai:doaj.org-article:69be3420c7a74ea890149311264fe43b2021-12-02T16:13:47ZStructural colors of pearls10.1038/s41598-021-94737-w2045-2322https://doaj.org/article/69be3420c7a74ea890149311264fe43b2021-07-01T00:00:00Zhttps://doi.org/10.1038/s41598-021-94737-whttps://doaj.org/toc/2045-2322Abstract The luster is the most important characteristic of pearls, whose colors depend on periodic structures of aragonite crystal layers and conchiolin sheets. We here propose an optical model for analyzing the structural colors of pearls that includes the transmission, reflection, and scattering of light in pearls. Unlike other structural color materials, internal light scattering and its transmission are the keys to understanding the optical properties of pearls. The appearance of pearls is determined by the superposition of transmitted and reflected light. The transmission and reflection spectra of pearls calculated using the proposed model show good agreement with experimental results. We also demonstrate the rendering of images of pearls using the calculated spectra. Furthermore, the appearance of pearls with different layer thicknesses are predicted by calculation based on the optical model.Ryotaro OzakiKei KikumotoMasataka TakagakiKazunori KadowakiKazushi OdawaraNature PortfolioarticleMedicineRScienceQENScientific Reports, Vol 11, Iss 1, Pp 1-10 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	Medicine R Science Q
spellingShingle	Medicine R Science Q Ryotaro Ozaki Kei Kikumoto Masataka Takagaki Kazunori Kadowaki Kazushi Odawara Structural colors of pearls
description	Abstract The luster is the most important characteristic of pearls, whose colors depend on periodic structures of aragonite crystal layers and conchiolin sheets. We here propose an optical model for analyzing the structural colors of pearls that includes the transmission, reflection, and scattering of light in pearls. Unlike other structural color materials, internal light scattering and its transmission are the keys to understanding the optical properties of pearls. The appearance of pearls is determined by the superposition of transmitted and reflected light. The transmission and reflection spectra of pearls calculated using the proposed model show good agreement with experimental results. We also demonstrate the rendering of images of pearls using the calculated spectra. Furthermore, the appearance of pearls with different layer thicknesses are predicted by calculation based on the optical model.
format	article
author	Ryotaro Ozaki Kei Kikumoto Masataka Takagaki Kazunori Kadowaki Kazushi Odawara
author_facet	Ryotaro Ozaki Kei Kikumoto Masataka Takagaki Kazunori Kadowaki Kazushi Odawara
author_sort	Ryotaro Ozaki
title	Structural colors of pearls
title_short	Structural colors of pearls
title_full	Structural colors of pearls
title_fullStr	Structural colors of pearls
title_full_unstemmed	Structural colors of pearls
title_sort	structural colors of pearls
publisher	Nature Portfolio
publishDate	2021
url	https://doaj.org/article/69be3420c7a74ea890149311264fe43b
work_keys_str_mv	AT ryotaroozaki structuralcolorsofpearls AT keikikumoto structuralcolorsofpearls AT masatakatakagaki structuralcolorsofpearls AT kazunorikadowaki structuralcolorsofpearls AT kazushiodawara structuralcolorsofpearls
_version_	1718384353869824000

Structural colors of pearls

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