Fast Continuous 2π Phase Modulation using Defect-free Deformed Helix Ferroelectric Liquid Crystals

Zhi-bo Sun; Zheng-nan Yuan; Hoi. Sing. Kwok; Abhishek. K. Srivastava

doi:10.1364/DH.2022.M5A.4

Digital Holography and 3-D Imaging 2022
Technical Digest Series (Optica Publishing Group, 2022),
paper M5A.4
•https://doi.org/10.1364/DH.2022.M5A.4

Fast Continuous 2π Phase Modulation using Defect-free Deformed Helix Ferroelectric Liquid Crystals

Zhi-bo Sun, Zheng-nan Yuan, Hoi. Sing. Kwok, and Abhishek. K. Srivastava

Digital Holography and Three-Dimensional Imaging 2022

Cambridge United Kingdom
1–4 August 2022
ISBN: 978-1-957171-12-8

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Z. Sun, Z. Yuan, H. S. Kwok, and A. K. Srivastava, "Fast Continuous 2π Phase Modulation using Defect-free Deformed Helix Ferroelectric Liquid Crystals," in Digital Holography and 3-D Imaging 2022, D. Chu, J. Park, C. Cheng, and P. Ferraro, eds., Technical Digest Series (Optica Publishing Group, 2022), paper M5A.4.

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Abstract

In this paper, we propose a fringe-field-effect-free fast (250μs) continuous 2π phase modulation using defect-free deformed helix ferroelectric liquid crystal (DHFLC) with high efficiency (> 90%) for the first time. It enables ultra-high PPI applications (pixel pitch = 1 μm).

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