Elucidation and reproduction of the iridescence of a jewel beetle

Shinya Yoshioka; Shuichi Kinoshita; Haruhisa Iida; Takahiko Hariyama

doi:10.1117/12.930844

11 October 2012 Elucidation and reproduction of the iridescence of a jewel beetle

Shinya Yoshioka, Shuichi Kinoshita, Haruhisa Iida, Takahiko Hariyama

Proceedings Volume 8480, The Nature of Light: Light in Nature IV; 848005 (2012) https://doi.org/10.1117/12.930844
Event: SPIE Optical Engineering + Applications, 2012, San Diego, California, United States

Abstract

It is known that the structural colors of some beetles originate from multilayer thin-film interference. We investigated such an example, a jewel beetle Chrysochroa fulgidissima, to quantitatively characterize the coloration mechanisms. The essential physical factors of the iridescence were elucidated by careful determinations of the structural parameters, measurements of angle and polarization-dependent reflection spectra, and theoretical modeling of the multilayer system. On the basis of the elucidated coloration mechanisms, we successfully prepared a dielectric thin film structure that reproduces the iridescence of the jewel beetle.

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Shinya Yoshioka, Shuichi Kinoshita, Haruhisa Iida, and Takahiko Hariyama "Elucidation and reproduction of the iridescence of a jewel beetle", Proc. SPIE 8480, The Nature of Light: Light in Nature IV, 848005 (11 October 2012); https://doi.org/10.1117/12.930844

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KEYWORDS

Refractive index

Photomicroscopy

Multilayer interference

Reflectivity

Interfaces

Ocean optics

Dielectrics

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