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Proceedings Paper

Electrically tunable diffraction grating
Author(s): Sun Il Kim; Jun Hee Choi; Ho Young Ahn; Chan Wook Baik; Jungkwuen An; Chil-Sung Choi; Kyungsuk Pyun; Hong-Seok Lee
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Paper Abstract

We report on electrically-driven diffraction grating, where refractive index of a liquid crystal (LC) was modulated periodically at an interval of 700 nm by applying an external DC bias to a metallic nanograting (NG). The LC-NG structure exhibited a maximum refractive index variation (Δn) of 0.088 and a diffraction efficiency (η) change of 0-16% with a large diffraction angle of 64° for incident light of 633 nm wavelength. This approach, with the help of faster electronics, provides an opportunity of developing active holograms for real 3D display

Paper Details

Date Published: 26 September 2013
PDF: 6 pages
Proc. SPIE 8816, Nanoengineering: Fabrication, Properties, Optics, and Devices X, 881607 (26 September 2013); doi: 10.1117/12.2021994
Show Author Affiliations
Sun Il Kim, Samsung Advanced Institute of Technology (Korea, Republic of)
Jun Hee Choi, Samsung Advanced Institute of Technology (Korea, Republic of)
Ho Young Ahn, Samsung Advanced Institute of Technology (Korea, Republic of)
Chan Wook Baik, Samsung Advanced Institute of Technology (Korea, Republic of)
Jungkwuen An, Samsung Advanced Institute of Technology (Korea, Republic of)
Chil-Sung Choi, Samsung Advanced Institute of Technology (Korea, Republic of)
Kyungsuk Pyun, Samsung Advanced Institute of Technology (Korea, Republic of)
Hong-Seok Lee, Samsung Advanced Institute of Technology (Korea, Republic of)


Published in SPIE Proceedings Vol. 8816:
Nanoengineering: Fabrication, Properties, Optics, and Devices X
Eva M. Campo; Elizabeth A. Dobisz; Louay A. Eldada, Editor(s)

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