Simulation and experimental analysis of a double-liquid negative lens based on flat electrode

IF 3.5 2区工程技术 Q2 OPTICS Optics and Lasers in Engineering Pub Date : 2024-09-14 DOI:10.1016/j.optlaseng.2024.108594

Yuan Dong , Meimei Kong , Chunsheng Xu , Yue Liu , Shuhan Zhang , Mingyang Li , Yinyan Xue

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Abstract

In order to carry out detailed research on focusing of liquid lens in negative optical power with simple structure, a double-liquid negative lens based on flat electrode is proposed. By adjusting voltage applied to indium tin oxide (ITO) conductive glass plates, the interface between glycerol and silicone oil can be changed to tune the focal length. With COMSOL, MATLAB and Zemax softwares, an optical model of the double-liquid negative lens based on flat electrode is established, its focal length at different voltages is simulated and analyzed, and it is found that when the flat exists with a small tilt (1°∼4°), the parallelism of the flat electrode has little influence on the focal length. In addition, through device fabrication and experimental analysis of this double-liquid negative lens, the focal length of the lens changes from -40.21622 mm to -24.2088 mm when operating voltage is 0V-320 V, which is basically consistent with the simulation results. And the maximum resolution of the proposed liquid lens can reach 71.838lp/mm. A lens with negative focal length holds great promise in diverse applications such as endoscopes, holographic imaging and adaptive optics.

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基于平面电极的双液负透镜的仿真与实验分析

为了对结构简单的负光学功率液体透镜聚焦进行详细研究，提出了一种基于平面电极的双液负透镜。通过调节施加在铟锡氧化物（ITO）导电玻璃板上的电压，可以改变甘油和硅油之间的界面，从而调节焦距。利用 COMSOL、MATLAB 和 Zemax 软件，建立了基于平板电极的双液负透镜光学模型，模拟并分析了其在不同电压下的焦距，发现当平板存在较小倾斜度（1°∼4°）时，平板电极的平行度对焦距的影响很小。此外，通过该双液负透镜的器件制作和实验分析，当工作电压为 0V-320 V 时，透镜的焦距从 -40.21622 mm 变为 -24.2088 mm，与模拟结果基本一致。而所提出的液体透镜的最大分辨率可达 71.838lp/mm。负焦距透镜在内窥镜、全息成像和自适应光学等多种应用中大有可为。

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来源期刊

Optics and Lasers in Engineering 工程技术-光学

CiteScore

8.90

自引率

8.70%

发文量

384

审稿时长

42 days

期刊介绍： Optics and Lasers in Engineering aims at providing an international forum for the interchange of information on the development of optical techniques and laser technology in engineering. Emphasis is placed on contributions targeted at the practical use of methods and devices, the development and enhancement of solutions and new theoretical concepts for experimental methods. Optics and Lasers in Engineering reflects the main areas in which optical methods are being used and developed for an engineering environment. Manuscripts should offer clear evidence of novelty and significance. Papers focusing on parameter optimization or computational issues are not suitable. Similarly, papers focussed on an application rather than the optical method fall outside the journal''s scope. The scope of the journal is defined to include the following: -Optical Metrology- Optical Methods for 3D visualization and virtual engineering- Optical Techniques for Microsystems- Imaging, Microscopy and Adaptive Optics- Computational Imaging- Laser methods in manufacturing- Integrated optical and photonic sensors- Optics and Photonics in Life Science- Hyperspectral and spectroscopic methods- Infrared and Terahertz techniques