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Design of Prismatic Beams for Bending01:23

Design of Prismatic Beams for Bending

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 stress...

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相关实验视频

Updated: Jun 8, 2026

Terahertz Microfluidic Sensing Using a Parallel-plate Waveguide Sensor
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波导布拉格格的一般设计流.

Frank Brückerhoff-Plückelmann1,2, Tim Buskasper1,3, Julius Römer2

  • 1Center for NanoTechnology (CeNTech), Heisenbergstr. 11, 48149 Münster, Germany.

Nanophotonics (Berlin, Germany)
|February 19, 2025
PubMed
概括
此摘要是机器生成的。

我们为波导布拉格格 (WBGs) 提供了一个新的模拟和设计框架. 这种方法精确地为各种层堆和波长设计WBG,克服了以前方法的局限性.

关键词:
集成的信号处理系统.光子长通波器的过器波导 布拉格格子 布拉格格子

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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

背景情况:

  • 布拉格格对于生物传感和计算等应用中的光子信号处理至关重要.
  • 设计特定波长的集成波导布拉格格 (WBGs) 是具有挑战性的,特别是复杂的材料结构.

研究的目的:

  • 为波导布拉格格 (WBGs) 引入一个一般的模拟和设计框架.
  • 为了实现WBGs的精确设计和优化,用于不同的层堆和波长.

主要方法:

  • 结合合模式理论与3D有限元素方法 (FEM) 固有频率计算.
  • 开发了适用于各种设备层堆的一般框架.

主要成果:

  • 在广泛的设备层堆中实现了WBGs的精确设计和优化.
  • 展示了适用于众多层堆和波长的设计流.

结论:

  • 开发的框架克服了WBGs传统近似的局限性.
  • 这种方法有助于为先进的光子应用设计WBG.