diffracted

简明释义

英[dɪˈfræktɪd]美[dɪˈfræktɪd]

v. （使光束）衍射（diffract 的过去式和过去分词）

英英释义

单词用法

同义词

反义词

例句

1.The second order diffraction light of Rayleigh scattering light, Raman light, diffused light and the fluorescence diffracted from the grating have been discussed.

本文讨论了瑞利散射光、拉曼散射光、漫散射光及荧光经光栅衍射而形成的高级次光谱的干扰。

2.Separate expressions for the transmitted, and multiply diffracted power are obtained, which enable the effective absorption coefficient to be calculated.

文中分别得出了透射线及多次衍射线功率的表达式以及有效线吸收系数。

3.The spectral behavior of polychromatic spatially fully coherent light diffracted by an annular aperture in the far field is studied.

研究了多色空间完全相干光经过环形光阑衍射后在远场出现的光谱变化，并给出了详细的数值计算结果和具体实例。

4.The characteristics of axial intensity distribution of the diffracted field are analyzed.

分析了衍射场的轴上光强分布特点。

5.Based on the vector angular spectrum representation of Maxwell's equations, the diffracted plane wave is decomposed into the te and TM terms.

运用麦克斯韦方程组的矢量角谱表述，将平面衍射波分解为TE项和TM项。

6.Using the high degree diffracted waves twice, we have obtained lower noise phase difference amplification of over 100 times.

两次利用其高阶衍射可获得大于100倍的低噪声位相差放大。

7.The light was diffracted 衍射 as it passed through the narrow slit.

当光线通过狭缝时，它被diffracted 衍射。

8.When the laser beam hit the edge of the glass, it diffracted 衍射 into a spectrum of colors.

当激光束撞击玻璃边缘时，它被diffracted 衍射成一系列颜色。

9.Scientists observed how sound waves are diffracted 衍射 around obstacles.

科学家观察到声波是如何被diffracted 衍射绕过障碍物的。

10.The diffracted 衍射 patterns on the screen revealed the structure of the crystal.

屏幕上的diffracted 衍射图案揭示了晶体的结构。

11.As the waves diffracted 衍射 at the shoreline, they created beautiful patterns in the sand.

当波浪在海岸线处diffracted 衍射时，它们在沙滩上形成了美丽的图案。

作文

In the world of physics, light behaves in fascinating ways that often challenge our intuitive understanding. One such phenomenon is when light waves are diffracted, which occurs when they encounter an obstacle or pass through a narrow opening. This behavior can be observed in various everyday situations, from the way sunlight filters through trees to the patterns created on a wall when light shines through a small slit. Understanding how light is diffracted not only enhances our appreciation of nature but also has practical applications in technology and science. When light waves travel, they tend to move in straight lines. However, when they meet an edge or a slit that is comparable in size to their wavelength, they begin to bend and spread out. This bending of waves is what we refer to as diffraction (衍射). The amount of bending depends on the size of the opening and the wavelength of the light. For instance, if the slit is very narrow, the light will spread out significantly after passing through it, creating a pattern of light and dark bands known as a diffraction pattern. A classic experiment that demonstrates the concept of diffraction involves using a simple setup with a laser pointer and a small slit. When the laser beam passes through the slit, it creates a series of bright and dark fringes on a screen behind it. This is because the light waves are diffracted as they pass through the slit, interfering with each other. The bright areas occur where the waves reinforce each other, while the dark areas are where they cancel each other out. This experiment not only illustrates the wave nature of light but also serves as a foundational demonstration in optics. The phenomenon of diffraction is not limited to visible light; it applies to all types of waves, including sound waves and water waves. For example, when sound waves encounter a barrier, they can bend around it, allowing us to hear sounds even when we are not in the direct line of sight of the source. This explains why we can hear someone speaking from around a corner. Similarly, water waves diffracted by a pier create complex patterns that can be observed at the shoreline. In addition to its scientific significance, diffraction plays a crucial role in various technologies. For instance, optical instruments like microscopes and telescopes rely on the principles of diffraction to enhance image quality. Engineers and scientists use diffraction gratings, which are devices with many closely spaced slits, to separate different wavelengths of light. This is essential in spectroscopy, a technique used to analyze the composition of materials based on their light absorption and emission properties. Furthermore, the study of diffraction has led to advancements in fields such as telecommunications, where understanding wave behavior is vital for improving signal transmission. As we continue to explore the intricacies of light and its diffracted patterns, we unlock new possibilities in both theoretical research and practical applications. In conclusion, the concept of light being diffracted opens up a world of understanding about how waves interact with their environment. From the simple act of observing light patterns to the complex applications in technology, diffraction is a fundamental concept that bridges the gap between theory and practice. By studying this phenomenon, we gain insights into the nature of light and its profound impact on our daily lives, highlighting the elegance of physics in explaining the world around us.

在物理学的世界中，光以迷人的方式表现，这常常挑战我们直观的理解。其中一个现象是当光波被衍射时，这发生在它们遇到障碍物或通过狭窄开口时。这种行为可以在各种日常情况下观察到，从阳光透过树木的方式，到光通过小缝隙照射在墙上时形成的图案。理解光是如何被衍射的，不仅增强了我们对自然的欣赏，而且在技术和科学中也有实际应用。 当光波传播时，它们倾向于直线移动。然而，当它们遇到与其波长相当的边缘或缝隙时，它们开始弯曲并扩散。这种波的弯曲就是我们所称的衍射。弯曲的程度取决于开口的大小和光的波长。例如，如果缝隙非常狭窄，光在通过后会显著扩散，创建出一种称为衍射图样的明暗条纹。 一个经典的实验演示了衍射概念，涉及使用简单的激光指示器和一个小缝。当激光束通过缝隙时，它在后面的屏幕上创建了一系列明暗相间的条纹。这是因为光波在通过缝隙时被衍射，互相干涉。明亮的区域出现在波相互增强的地方，而黑暗的区域则出现在波相互抵消的地方。这个实验不仅说明了光的波动特性，也作为光学中的基础演示。 衍射现象并不限于可见光；它适用于所有类型的波，包括声波和水波。例如，当声波遇到障碍物时，它们可以绕过障碍物，这使我们即使不在声音源的直接视线内也能听到声音。这解释了为什么我们可以从拐角处听到某人说话。同样，被码头衍射的水波在海岸线上产生复杂的图案。 除了其科学意义外，衍射在各种技术中也发挥着关键作用。例如，显微镜和望远镜等光学仪器依赖于衍射原理来增强图像质量。工程师和科学家使用衍射光栅，这是一种具有许多密集间隔缝隙的设备，用于分离不同波长的光。这在光谱学中至关重要，光谱学是一种基于材料的光吸收和发射特性分析成分的技术。 此外，对衍射的研究推动了电信等领域的进步，在这些领域，理解波的行为对于改善信号传输至关重要。随着我们继续探索光的复杂性及其被衍射的模式，我们在理论研究和实际应用中解锁了新的可能性。 总之，光被衍射的概念为我们理解波如何与环境互动打开了一个世界。从观察光模式的简单行为到技术中的复杂应用，衍射是一个基本概念，架起了理论与实践之间的桥梁。通过研究这一现象，我们获得了对光的本质及其对我们日常生活深远影响的洞察，突显了物理学在解释我们周围世界中的优雅。