飞秒激光结构的酒精驱动快速马兰戈尼游泳器

IF 3.6 2区物理与天体物理 Q2 PHYSICS, APPLIED

Applied Physics Letters Pub Date : 2025-06-30 DOI:10.1063/5.0272645

Xin Deng, Kai Yin, Xun Li, Jiaqing Pei, Xinghao Song, Lingxiao Wang

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引用次数: 0

摘要

仿生设计模仿昆虫利用马兰戈尼效应在水面上快速运动，近年来由于其在军事侦察、环境监测和生物医学工程等方面的关键应用而引起了极大的关注。本研究提出了一种利用飞秒激光技术制造具有超亲酒精（SAL）表面的游泳者的方法，使游泳者能够在水中快速运动。通过改变游泳者的尺寸和SAL表面积，我们研究了游泳者运动特征的变化。我们的研究结果表明，不同宽度的游泳者之间的速度分布特征是相似的，每个游泳者都设计了相应的三角形SAL表面的基底长度。通过调整游泳者的宽度和基础长度，最大线速度达到393毫米/秒。游泳者也可以实现顺时针或逆时针的螺旋运动，同时转子实现高速旋转。这项研究为运动特性提供了基础见解，为未来仿生马兰戈尼游泳者的设计和开发提供了信息。

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Femtosecond laser architectured alcohol-driven rapid Marangoni swimmer

Bionic designs that mimic insects' utilization of the Marangoni effect for rapid movement on water surfaces have garnered significant attention in recent years due to their critical applications in military reconnaissance, environmental monitoring, and biomedical engineering, among others. This study presents a method for fabricating swimmers with a super-alcoholophilic (SAL) surface using femtosecond laser technology, enabling the rapid movement of the swimmers on water. By modifying the dimensions of the swimmers and the SAL surface area, we investigate the resulting variations in the motion characteristics of the swimmers. Our findings indicate the similarity of speed profile characteristics between swimmers of varying widths, each designed with a corresponding base length of triangular SAL surface. A maximum linear speed of 393 mm/s was achieved by adjusting the width of the swimmers and the base length. The clockwise or anticlockwise spiral motion is also realized for the swimmers, while the rotor achieving high-speed rotation. This study offers foundational insights into the motion characteristics, informing the design and development of future bio-inspired Marangoni swimmers.

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来源期刊

Applied Physics Letters 物理-物理：应用

CiteScore

6.40

自引率

10.00%

发文量

1821

审稿时长

1.6 months

期刊介绍： Applied Physics Letters (APL) features concise, up-to-date reports on significant new findings in applied physics. Emphasizing rapid dissemination of key data and new physical insights, APL offers prompt publication of new experimental and theoretical papers reporting applications of physics phenomena to all branches of science, engineering, and modern technology. In addition to regular articles, the journal also publishes invited Fast Track, Perspectives, and in-depth Editorials which report on cutting-edge areas in applied physics. APL Perspectives are forward-looking invited letters which highlight recent developments or discoveries. Emphasis is placed on very recent developments, potentially disruptive technologies, open questions and possible solutions. They also include a mini-roadmap detailing where the community should direct efforts in order for the phenomena to be viable for application and the challenges associated with meeting that performance threshold. Perspectives are characterized by personal viewpoints and opinions of recognized experts in the field. Fast Track articles are invited original research articles that report results that are particularly novel and important or provide a significant advancement in an emerging field. Because of the urgency and scientific importance of the work, the peer review process is accelerated. If, during the review process, it becomes apparent that the paper does not meet the Fast Track criterion, it is returned to a normal track.