带有电控液晶的太赫兹艾里光束发生器

IF 4.6 2区物理与天体物理 Q1 PHYSICS, MULTIDISCIPLINARY

Chinese Journal of Physics Pub Date : 2025-09-27 DOI:10.1016/j.cjph.2025.09.022

Yueying Jia , Yu Wang , Peng Tan , Chenxiang Liu , Shuai Li , Jie Liu , Nikolay V. Petrov , Li Li , Hao Tian

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引用次数: 0

摘要

我们利用透明的图案电极来电控向列液晶，提出了一种带二相元件的宽带一维太赫兹艾里光束发生器。通过外部电压控制，艾里波束发生器可以在2.3 ~ 2.8太赫兹范围内实现艾里波束和高斯波束的切换。在2.54太赫兹的电开关艾里光束中，实验证实了典型的无衍射、自加速和自修复特性。基于液晶的太赫兹艾里波束发生器方案具有宽带可切换运行、成本低、制作简单等优点，在艾里波束与高斯波束互切换的多维同步测量中具有潜在的应用前景。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

Terahertz Airy beam generator with electrically-controlled liquid crystal

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Terahertz Airy beam generator with electrically-controlled liquid crystal

We presented a broadband one-dimensional terahertz Airy beam generator with binary-phase elements by exploiting the transparent patterned-electrodes to electrically control nematic liquid crystal. The Airy beam generator can perform switching between Airy and Gaussian beams in a wide range from 2.3 to 2.8 THz by external voltage control. Typical diffraction-free, self-accelerating and self-healing characteristics were experimentally confirmed with the electrically switchable Airy beams at 2.54 THz. The scheme of liquid-crystal-based terahertz Airy beam generator has the advantages of broadband switchable operation, low cost and easy fabrication, with potential application in multi-dimensional simultaneous measurements by inter-switching between Airy and Gaussian beams.

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来源期刊

Chinese Journal of Physics 物理-物理：综合

CiteScore

8.50

自引率

10.00%

发文量

361

审稿时长

44 days

期刊介绍： The Chinese Journal of Physics publishes important advances in various branches in physics, including statistical and biophysical physics, condensed matter physics, atomic/molecular physics, optics, particle physics and nuclear physics. The editors welcome manuscripts on: -General Physics: Statistical and Quantum Mechanics, etc.- Gravitation and Astrophysics- Elementary Particles and Fields- Nuclear Physics- Atomic, Molecular, and Optical Physics- Quantum Information and Quantum Computation- Fluid Dynamics, Nonlinear Dynamics, Chaos, and Complex Networks- Plasma and Beam Physics- Condensed Matter: Structure, etc.- Condensed Matter: Electronic Properties, etc.- Polymer, Soft Matter, Biological, and Interdisciplinary Physics. CJP publishes regular research papers, feature articles and review papers.