通过光图模式控制三维孤独波的指挥
Chao-Yi Li1,2, Xing-Zhou Tang3, Xiao Yu1
1National Laboratory of Solid State Microstructures, College of Engineering and Applied Sciences, and Collaborative Innovation Center of Advanced Microstructures, Nanjing University, Nanjing 210093, China.
概括
研究人员使用光模式控制软物质中的主管单子. 这种可编程的光型图允许在微货物和光学处理中的应用中进行精确的操纵.
科学领域:
- 软物质物理学 软物质物理学
- 非线性光学是非线性光学.
背景情况:
- 多维单元是广泛存在的现象.
- 三维主管单子代表软物质中的局部分子定向扭曲.
- 精确控制导演单机的生成和操纵目前是具有挑战性的.
研究的目的:
- 为了研究可编程光图的使用nematics控制主管单子动力学.
- 为了实现精确,特定于位置和时间控制的单子生成.
- 探索单体子在有图案的结构中的限制和有针对性的传播.
主要方法:
- 使用预先设置的可编程光图在阴性软物质中.
- 实施了专注的动态建模,以了解孤独的起源.
- 进行实验观察以验证模型和发现.
主要成果:
- 在特定的位置和时间实现了单向和双向的导演单元的生成.
- 在微米尺度的各种形状的图案中证明了单子的限制.
- 启用了单子在预定义的轨迹上有针对性的传播.
- 动态模型根据定条件准确预测了单体的行为.
结论:
- 可编程的光图案提供了前所未有的控制软物质的总监单子动力学.
- 定条件在单体操纵中起着至关重要的作用.
- 这些发现为基础研究和微型货物运输和光学信息处理等应用开辟了道路.
相关概念视频
Interference and Diffraction
Interference is a characteristic phenomenon exhibited by waves. When two electromagnetic waves interact with their peaks and troughs coinciding, a resulting wave with enhanced amplitude is produced. This is known as constructive interference. In this case, the two waves interacting are in phase with each other.
Propagation of Waves
When a wave propagates from one medium to another, part of it may get reflected in the first medium, and part of it may get transmitted to the second medium. In such a case, the interface of the two mediums can be considered as a boundary that is neither fixed nor free.
Consider a scenario where a wave propagates from a string of low linear mass density to a string of high linear mass density. In such a case, the reflected wave is out of phase with respect to the incident wave, however the...
Consider a scenario where a wave propagates from a string of low linear mass density to a string of high linear mass density. In such a case, the reflected wave is out of phase with respect to the incident wave, however the...
Standing Waves
Sometimes waves do not seem to move; rather, they just vibrate in place. Unmoving waves can be seen on the surface of a glass of milk kept in a refrigerator, which is one example of standing waves. Vibrations from the refrigerator motor create waves on the milk that oscillate up and down but do not seem to move across the surface. These waves are formed or created by the superposition of two or more identical moving waves in opposite directions. The waves move through each other, with their...
Standing Waves in a Cavity
A household microwave and lasers are examples of standing electromagnetic waves in a cavity. When two conducting metal plates are placed parallel at the nodal planes, it creates a cavity where standing waves are formed. The cavity between the two planes is analogous to a stretched string held at the points x = 0 and x = L. Here, the distance 'L' between the two planes must be an integer multiple of half of the wavelength. The wavelengths that satisfy this condition are given by:


