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相关概念视频

Design of Prismatic Beams for Bending01:23

Design of Prismatic Beams for Bending

188
The design of prismatic beams, structural elements with a uniform cross-section, focuses on ensuring safety and structural integrity under load. The design process begins by determining the allowable stress, either from material properties tables, or by dividing the material's ultimate strength by a safety factor. This safety factor is essential for accommodating uncertainties, and varies depending on the material—timber, steel, or concrete—with each having unique strength and...
188

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相关实验视频

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Microfluidic Fabrication of Polymeric and Biohybrid Fibers with Predesigned Size and Shape
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3D打印的基于纤维的完美旋光束发生器.

Luping Wu, Yuji Wang, Rui Liu

    Optics letters
    |April 15, 2025
    PubMed
    概括

    研究人员开发了一个3D打印的完美旋束 (PVB) 生成器. 这种新型设备允许可调节的光束环直径,使光通信和针中的应用成为可能.

    科学领域:

    • 光学和光子学 在光学和光子学.
    • 增材制造 增材制造 增材制造

    背景情况:

    • 完美的束 (PVBs) 为先进的光学应用提供了独特的特性.
    • 在光纤系统中生成和控制PVB带来了重大挑战.

    研究的目的:

    • 设计和制造一个全纤维完美旋转束 (PVB) 发电机.
    • 通过使用3D打印组件来证明PVB环径的可调性.

    主要方法:

    • 利用3D打印技术制造了一个螺旋轴心区域板 (SAZP).
    • 将SAZP集成到光纤终端方面,以创建PVB发电机.
    • 执行模拟和实验以验证设备的性能.

    主要成果:

    • 在全纤维格式中成功生成了聚焦的完美束 (PVB).
    • 证明PVB环直径独立于拓电荷.
    • 展示了环径可以通过调整轴角来调整,并与横波向量相关联.

    结论:

    • 3D打印的SAZP可以有效地在光纤中生成可调节的PVB.
    • 开发的PVB发电机显示出对高容量光纤通信的前景.

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  • 潜在的应用包括先进的光学陷和使用多功能光学笔进行操纵.