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相关概念视频

Oscillations In An LC Circuit01:30

Oscillations In An LC Circuit

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An idealized LC circuit of zero resistance can oscillate without any source of emf by shifting the energy stored in the circuit between the electric and magnetic fields. In such an LC circuit, if the capacitor contains a charge q before the switch is closed, then all the energy of the circuit is initially stored in the electric field of the capacitor. This energy is given by
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High-Performance Liquid Chromatography: Types of Detectors01:15

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The role of the detectors in High-Performance Liquid Chromatography (HPLC) is to analyze the solutes as they exit from the chromatographic column. The detector recognizes the solute's property and generates corresponding electrical signals, which are converted into a readable graph of the detector's response versus elution time called a chromatogram at the computer. There are several types of HPLC detectors, each with its own advantages and limitations, depending on the analyte...
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Generator Voltage Control01:21

Generator Voltage Control

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Generator voltage control is crucial for maintaining the stable operation of synchronous generators and wind turbines. In older models, a DC generator driven by the rotor delivers DC power to the rotor's field winding, and the power is transferred through slip rings and brushes. In the latest models, static or brushless exciters are used. Static exciters rectify AC power from the generator terminals and then transfer the DC power directly to the rotor. Brushless exciters, on the other hand,...
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相关实验视频

Updated: Jun 5, 2025

Measuring Magnetically-Tuned Ferroelectric Polarization in Liquid Crystals
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Measuring Magnetically-Tuned Ferroelectric Polarization in Liquid Crystals

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连续调节的单个电极对液晶光学发生器.

Camron Nourshargh1, Alec Xu1, Patrick S Salter1

  • 1Department of Engineering Science, University of Oxford, Oxford, UK.

Nanophotonics (Berlin, Germany)
|December 5, 2024
PubMed
概括
此摘要是机器生成的。

研究人员使用激光写入液晶创建了可调节的光 (OV) 发生器. 这就是OV光束.

关键词:
直接激光写作 直接激光写作液晶设备的液晶设备的使用.多个订单的多个订单光学波束束的光学波束.两个光子聚合的聚合.

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Orientational Transition in a Liquid Crystal Triggered by the Thermodynamic Growth of Interfacial Wetting Sheets
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科学领域:

  • 光子学和光学工程 光子学和光学工程
  • 材料科学 材料科学 材料科学
  • 液晶显示器 液晶显示器

背景情况:

  • 光学束 (OV) 具有独特的特性,对于先进的应用非常有价值.
  • 控制 OV 属性,如顺序和奇拉性,对于它们的使用至关重要.
  • 现有的生成可调节OV的方法可能是复杂的或有限的.

研究的目的:

  • 展示一种用于制造可持续调节的光 (OV) 发生器的新方法.
  • 为了研究使用电压在液晶 (LC) 设备中的OV顺序的可调性.
  • 探索3D聚合物结构的潜力,以创建LC设备中的相位配置文件.

主要方法:

  • 使用双光子聚合直接激光写作,在液晶层内创建3D聚合物结构.
  • 用一对电极制造液晶装置,用于电压应用.
  • 采用马赫-泽恩德干扰仪和极化光学显微镜来对设备进行表征.

主要成果:

  • 成功地将OV发电机嵌入到20微米厚的液晶层中.
  • 通过施加电压,证明了OV光束顺序的连续调整.
  • 确认了不同顺序的OVs的生成,并确定了它们的性.
  • 3D聚合物网络生成了电压控制调整所需的相位.

结论:

  • 开发的液晶光学流发生器为生产可调节的OV提供了一种新且高效的方法.
  • 使用直接激光写作允许精确的3D结构,使得电压控制的调制性与单个电极对.
  • 这些设备对光通信,量子物理学和其他需要控制光线操纵的领域的应用具有前景.