Dr. Sunghak Park Profile

Dr. Sunghak Park

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Publications (2)

Proceedings Article | 4 October 2022 Presentation

Suppressing optical losses of hydrogenated amorphous silicon for dielectric metasurfaces working at the visible frequencies, and revealing its structural disorder. (Conference Presentation)

Younghwan Yang, Gwanho Yoon, Sunghak Park, Ki Tae Nam, Junsuk Rho

Proceedings Volume PC12202, PC1220206 (2022) https://doi.org/10.1117/12.2632722

KEYWORDS: Dielectrics, Visible radiation, Amorphous silicon, Refractive index, Plasma enhanced chemical vapor deposition, Titanium dioxide, Silicon, Gallium nitride, Semiconductors, Plasma

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Proceedings Article | 20 August 2020 Poster

Enhanced cross-polarization efficiency of a-Si:H metasurfaces via chemical equilibrium in PE-CVD

Younghwan Yang, Gwanho Yoon, Sunghak Park, Seok Nangung, Ki Tae Nam, Junsuk Rho

Proceedings Volume 11467, 114672F (2020) https://doi.org/10.1117/12.2567588

KEYWORDS: Refractive index, Modulation, Atmospheric plasma, Optical properties, Plasma, Amorphous silicon, Diffraction, Silicon

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