Realistic design to fabricate the daylight window inspired by Morpho butterfly's optical property

Akira Saito; Kazuma Yamashita; Junpei Ohga; Takuma Hattori; Yuji Kuwahara

doi:10.1117/12.2612564

18 April 2022 Realistic design to fabricate the daylight window inspired by Morpho butterfly's optical property

Akira Saito, Kazuma Yamashita, Junpei Ohga, Takuma Hattori, Yuji Kuwahara

Proceedings Volume PC12041, Bioinspiration, Biomimetics, and Bioreplication XII; (2022) https://doi.org/10.1117/12.2612564
Event: SPIE Smart Structures + Nondestructive Evaluation, 2022, Long Beach, California, United States

Abstract

Morpho butterfly’s blue is well known, but, mysterious. The color is produced by interference from an ORDERED nanostructure, whereas the single color in wide angles contradicts the interference. This mystery is attributed to a specific nanostructure having both ORDER and DISORDER. Converting this reflective principle to transmission, we have proposed a new daylight window with high transmittance, wide angular spread, and low color dispersion, which have been impossible to meet simultaneously because of their trade-off relationship. Although our originally proposed nanostructure was difficult to fabricate, we have designed a new structure to solve the problem. Finally, an effective nanostructure was verified using numerical simulations.

Conference Presentation

Citation Download Citation

Akira Saito, Kazuma Yamashita, Junpei Ohga, Takuma Hattori, and Yuji Kuwahara "Realistic design to fabricate the daylight window inspired by Morpho butterfly's optical property", Proc. SPIE PC12041, Bioinspiration, Biomimetics, and Bioreplication XII, (18 April 2022); https://doi.org/10.1117/12.2612564

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