Bluespotted ribbontail ray colored by quasi-ordered natural photonic structures (Conference Presentation)

Julien Bouchat; Fabio Cortesi; Karen Cheney; Pete Vukusic; N. Justin Marshall; Olivier Deparis; Sébastien R. Mouchet

doi:10.1117/12.2646127

3 October 2022 Bluespotted ribbontail ray colored by quasi-ordered natural photonic structures (Conference Presentation)

Julien Bouchat, Fabio Cortesi, Karen Cheney, Pete Vukusic, N. Justin Marshall, Olivier Deparis, Sébastien R. Mouchet

Author Affiliations +

Proceedings Volume PC12214, Light in Nature IX; PC1221401 (2022) https://doi.org/10.1117/12.2646127
Event: SPIE Optical Engineering + Applications, 2022, San Diego, California, United States

Abstract

Blue is often described as the rarest colour in natural organisms. Elucidating the underlying colour mechanism(s) is always very impactful for the understanding of the natural world. In this research, the colour of the blue rounded spots occuring in the skin of Taeniura lymma stingray was unveiled by a combination of experimental and numerical techniques. Our results demonstrated that this blue colour arises from coherent scattering in quasi-ordered photonic structures occuring in the skin of this stingray. These structures made of collagen fibers are mostly unknown in marine species. In addition, structural blue colours had never been reported in elasmobranches.

Conference Presentation

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Julien Bouchat, Fabio Cortesi, Karen Cheney, Pete Vukusic, N. Justin Marshall, Olivier Deparis, and Sébastien R. Mouchet "Bluespotted ribbontail ray colored by quasi-ordered natural photonic structures (Conference Presentation)", Proc. SPIE PC12214, Light in Nature IX, PC1221401 (3 October 2022); https://doi.org/10.1117/12.2646127

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