• Technical Conference: 

    15 – 20 May 2022

  • Exhibition: 

    17 – 19 May 2022

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Iridescent Retroreflective Structural Color Based on Micro Concavity Array (JW1A.45)

Presenter: Joo-Hwan Ko, GIST

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.

Authors:Joo-Hwan Ko, GIST / Young Jin Yoo, GIST / Hyun Myung Kim, GIST / Young Min Song, GIST

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