beam divergence

简明释义

射束发散

英英释义

例句

1.In optical communication, beam divergence is crucial for signal clarity.

在光通信中，光束发散对信号清晰度至关重要。

2.High beam divergence can lead to reduced intensity at the target.

高光束发散可能导致目标处的强度降低。

3.The beam divergence of the projector determines how wide the image will spread.

投影仪的光束发散决定了图像的扩散宽度。

4.The beam divergence of the laser affects its focusing ability over long distances.

激光的光束发散会影响其在远距离的聚焦能力。

5.To achieve a tighter spot size, we need to minimize the beam divergence.

为了获得更小的光斑尺寸，我们需要最小化光束发散。

作文

In the field of optics, the term beam divergence refers to the angle at which a beam of light spreads out as it travels away from its source. This phenomenon is particularly significant in applications such as laser technology, telecommunications, and even astronomy. Understanding beam divergence is crucial for optimizing the performance of optical systems and ensuring that they function effectively over long distances.When a laser beam is emitted, it does not remain a perfect cylinder but instead begins to spread out due to various factors including diffraction and the physical properties of the light itself. The beam divergence is typically measured in milliradians (mrad) or degrees, and it indicates how quickly the beam expands. A lower beam divergence means that the beam remains more focused over longer distances, while a higher divergence indicates that the beam will spread out more rapidly.One of the most critical applications of beam divergence is in laser communication systems. In these systems, maintaining a narrow beam is essential for transmitting data accurately over long distances. If the beam divergence is too high, the signal can become weak and distorted, leading to communication errors. Engineers often work diligently to design systems that minimize beam divergence, thereby enhancing the clarity and reliability of the transmitted signal.Another area where beam divergence plays a vital role is in astronomy. Telescopes rely on capturing light from distant stars and galaxies, and the beam divergence of the light entering the telescope affects the resolution of the images produced. A telescope with a smaller beam divergence can gather more concentrated light, resulting in clearer and more detailed images of celestial bodies. This is why astronomers invest significant resources into developing advanced optical systems that can achieve minimal beam divergence.In industrial applications, beam divergence is also an important consideration. For instance, in laser cutting and welding processes, the precision of the beam directly impacts the quality of the work. A laser with a high beam divergence may lead to wider cuts and less accuracy, which can be detrimental in manufacturing settings where precision is key. Therefore, manufacturers often select lasers with optimal beam divergence specifications to ensure the best outcomes for their projects.In conclusion, beam divergence is a fundamental concept in optics that has far-reaching implications across various fields. From telecommunications to astronomy and industrial applications, understanding and controlling beam divergence is essential for achieving desired outcomes and improving system performance. As technology continues to evolve, the importance of managing beam divergence will only grow, paving the way for advancements in optical engineering and related disciplines.

在光学领域，术语光束发散指的是光束从其源头传播时扩散的角度。这种现象在激光技术、电信甚至天文学等应用中尤为重要。理解光束发散对于优化光学系统的性能至关重要，并确保它们在长距离内有效运行。当激光束发射时，它并不会保持完美的圆柱形，而是由于衍射和光本身的物理特性等各种因素开始扩散。光束发散通常以毫弧度（mrad）或度数来衡量，它指示了光束扩展的速度。较低的光束发散意味着光束在更长距离上保持更集中，而较高的发散则表明光束将更快地扩散。光束发散最关键的应用之一是在激光通信系统中。在这些系统中，保持窄光束对准确传输数据至关重要。如果光束发散过高，信号可能会变得微弱和失真，从而导致通信错误。工程师们常常努力设计能够最小化光束发散的系统，从而增强传输信号的清晰度和可靠性。光束发散在天文学中也起着至关重要的作用。望远镜依赖于捕捉来自遥远恒星和星系的光，而进入望远镜的光的光束发散影响所产生图像的分辨率。具有较小光束发散的望远镜可以收集更多集中光线，从而产生更清晰、更详细的天体图像。这就是为什么天文学家在开发能够实现最小光束发散的先进光学系统上投入大量资源。在工业应用中，光束发散也是一个重要的考虑因素。例如，在激光切割和焊接过程中，光束的精度直接影响工作的质量。具有高光束发散的激光可能导致切割宽度增加和准确性降低，这在制造环境中可能是有害的。因此，制造商通常会选择具有最佳光束发散规格的激光，以确保项目的最佳结果。总之，光束发散是光学中的一个基本概念，对各个领域都有深远的影响。从电信到天文学和工业应用，理解和控制光束发散对实现预期结果和提高系统性能至关重要。随着技术的不断发展，管理光束发散的重要性只会增加，为光学工程及相关学科的进步铺平道路。