Writing nanometer-scale structures for centimeter-scale color printing

Younghwan Yang; Trevon Badloe; Junsuk Rho

doi:10.1117/1.AP.5.3.030501

Advanced Photonics, Volume. 5, Issue 3, 030501(2023)

Writing nanometer-scale structures for centimeter-scale color printing

Younghwan Yang¹, Trevon Badloe^1,2, and Junsuk Rho^1,3,4、*

Author Affiliations

¹Pohang University of Science and Technology (POSTECH), Department of Mechanical Engineering, Pohang, Republic of Korea

²Pohang University of Science and Technology (POSTECH), Graduate School of Artificial Intelligence, Pohang, Republic of Korea

³Pohang University of Science and Technology (POSTECH), Department of Chemical Engineering, Pohang, Republic of Korea

⁴POSCO-POSTECH-RIST Convergence Research Center for Flat Optics and Metaphotonics, Pohang, Republic of Korea

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Fig. 1. Demonstration of centimeter-scale structural coloration. (a) A captured image under a halogen lamp. Scale bar: 1 mm. (b) and (c) are the thickness scanning images of region 1 (R1) and region 2 (R2), respectively, using a light interferometer. Scale bars: $200 μ m$ .

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Younghwan Yang, Trevon Badloe, Junsuk Rho, "Writing nanometer-scale structures for centimeter-scale color printing," Adv. Photon. 5, 030501 (2023)

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