Electrically Switchable Fresnel Lens Based on a Liquid Crystal Film with a Polymer Relief Pattern

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概要

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• This investigation elucidates a Fresnel lens using a simple approach that is based on a homogeneously aligned liquid crystal (LC) film with a preformed polymer relief pattern. Experimental results demonstrate that the LC Fresnel lens has polarization-dependent and electrically switchable focusing features. The LC lens has the further advantages of a weak operated field (${\sim}1.3$ V/μm), and high diffraction efficiency (${\sim}34$%).

• 2007-07-15

著者

• Lee Chia-rong

  Institute Of Electro-optical Science And Engineering National Cheng Kung University

• Lo Kuo-Ching

  Institute of Electro-Optical Science and Engineering, National Cheng Kung University, Tainan, Taiwan 701, Republic of China

• Mo Ting-Shan

  Department of Electronic Engineering, Kun Shan University of Technology, Tainan, Taiwan 710, Republic of China

• Lee Chia-Rong

  Institute of Electro-Optical Science and Engineering, National Cheng Kung University, Tainan, Taiwan 701, Republic of China

関連論文

• Polymer-Dispersed Liquid-Crystal Holographic Gratings Doped with a High-Dielectic-Anisotropy Dopant : Optics and Quantum Electronics
• Study of a Holographic Grating based on Dye-Doped Polymer-Ball-Type Polymer-Dispersed Liquid Crystal Films : Optics and Quantum Electronics
• Holographic Grating Based on Dye-Doped Surface-Stabilized Ferroelectric Liquid Crystal Films
• Electrically Switchable Fresnel Lens Based on a Liquid Crystal Film with a Polymer Relief Pattern
• Dual-Function Beam Shapers Fabricated by Photoaligned Liquid Crystal Cells
• Dynamics of Laser-Induced Holographic Gratings in Dye-Doped Liquid Crystal Films
• Grating Based on Polymer-Stabilized Ferroelectric Liquid Crystal Films
• Biphotonic Laser-Induced Ripple Structures in Dye-Doped Liquid Crystal Films

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