Iridescent Retroreflective Structural Color Based on Micro Concavity Array

Joo Hwan Ko; Young Jin Yoo; Hyun Myung Kim; Young Min Song

doi:10.1364/CLEO_AT.2021.JW1A.45

Conference on Lasers and Electro-Optics
OSA Technical Digest (Optica Publishing Group, 2021),
paper JW1A.45
•https://doi.org/10.1364/CLEO_AT.2021.JW1A.45

Iridescent Retroreflective Structural Color Based on Micro Concavity Array

Joo Hwan Ko, Young Jin Yoo, Hyun Myung Kim, and Young Min Song

CLEO: Science and Innovations 2021

San Jose, California United States
9–14 May 2021
ISBN: 978-1-943580-91-0

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Joint Poster Session II (JW1A)

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J. H. Ko, Y. J. Yoo, H. M. Kim, and Y. M. Song, "Iridescent Retroreflective Structural Color Based on Micro Concavity Array," in Conference on Lasers and Electro-Optics, J. Kang, S. Tomasulo, I. Ilev, D. Müller, N. Litchinitser, S. Polyakov, V. Podolskiy, J. Nunn, C. Dorrer, T. Fortier, Q. Gan, and C. Saraceno, eds., OSA Technical Digest (Optica Publishing Group, 2021), paper JW1A.45.

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Abstract

We present an iridescent retroreflective structural color based on micro concavity array. Inspired by the hummingbird's dynamic iridescent colors, the ultra-thin resonant layer is introduced for a self-grading structural coloration.

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