V2EX gaussian beam

Gaussian Beam

释义 Definition

高斯光束:一种在横向截面上光强分布近似服从高斯函数的激光光束模型。它常用于描述理想激光束的传播特性(如束腰发散角瑞利长度等)。在实际中,许多激光器输出可近似为高斯光束,但也存在其他模式(如高阶横模)。

发音 Pronunciation (IPA)

/asin bim/

例句 Examples

A Gaussian beam has its highest intensity at the center.
高斯光束的中心位置光强最高。

In the experiment, we adjusted the lens to focus the Gaussian beam to a smaller waist for better coupling into the fiber.
在实验中,我们调节透镜把高斯光束聚焦到更小的束腰,以便更好地耦合进光纤。

词源 Etymology

“Gaussian” 来自德国数学家卡尔弗里德里希高斯(Carl Friedrich Gauss)的姓氏,表示“与高斯(高斯分布/高斯函数)有关的”。“beam”意为“光束”。“Gaussian beam”因此指光强或场分布呈高斯形状的光束,是激光与光学中非常常见的理想化模型。

相关词 Related Words

文学与经典著作 Literary Works / Notable Sources

  • Siegman, Lasers(《激光》):系统讨论高斯光束、基模与束参数,是该术语的经典来源之一。
  • Hecht, Optics(《光学导论》):在激光与光束传播章节中常使用高斯光束作为标准模型。
  • Born & Wolf, Principles of Optics(《光学原理》):在波动光学与光束传播相关内容中涉及高斯型解与近轴近似背景。
  • Kogelnik & Li (1966), “Laser Beams and Resonators”:经典论文之一,将高斯光束与谐振腔模式联系起来,影响深远。
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