Full-colour tuning of optical properties based on nanophotonics and plasmonics

Koichi Okamoto

doi:10.1117/12.2676218

5 October 2023 Full-colour tuning of optical properties based on nanophotonics and plasmonics

Koichi Okamoto

Proceedings Volume PC12648, Plasmonics: Design, Materials, Fabrication, Characterization, and Applications XXI; PC126480A (2023) https://doi.org/10.1117/12.2676218
Event: SPIE Nanoscience + Engineering, 2023, San Diego, California, United States

Abstract

We successfully tuned optical properties over a wide wavelength range and obtained full colours using random nanostructures based on Nanophotonics and Plasmonics. The colors realized full coverage standard RGB color space, and the structure achieved as high color quality as the periodic structure. We also found that the optical properties of Au and Ag nano-disk structures fabricated by an electron beam lithography can be improved by very simple heat treatments. We also introduce a novel method to improve the emission efficiencies of InGaN/GaN quantum wells by depositing dielectric thin films instead of metals and UV laser irradiation.

Conference Presentation

Citation Download Citation

Koichi Okamoto "Full-colour tuning of optical properties based on nanophotonics and plasmonics", Proc. SPIE PC12648, Plasmonics: Design, Materials, Fabrication, Characterization, and Applications XXI, PC126480A (5 October 2023); https://doi.org/10.1117/12.2676218

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