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相关概念视频

Interference and Diffraction02:18

Interference and Diffraction

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Interference is a characteristic phenomenon exhibited by waves. When two electromagnetic waves interact with their peaks and troughs coinciding, a resulting wave with enhanced amplitude is produced. This is known as constructive interference. In this case, the two waves interacting are in phase with each other.
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The de Broglie Wavelength02:32

The de Broglie Wavelength

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In the macroscopic world, objects that are large enough to be seen by the naked eye follow the rules of classical physics. A billiard ball moving on a table will behave like a particle; it will continue traveling in a straight line unless it collides with another ball, or it is acted on by some other force, such as friction. The ball has a well-defined position and velocity or well-defined momentum, p = mv, which is defined by mass m and velocity v at any given moment. This is the typical...
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Gauss's Law01:07

Gauss's Law

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If a closed surface does not have any charge inside where an electric field line can terminate, then the electric field line entering the surface at one point must necessarily exit at some other point of the surface. Therefore, if a closed surface does not have any charges inside the enclosed volume, then the electric flux through the surface is zero. What happens to the electric flux if there are some charges inside the enclosed volume? Gauss's law gives a quantitative answer to this question.
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Thomson's e/m Experiment01:19

Thomson's e/m Experiment

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In a beam of charged particles created by a heated cathode, the particles move at different speeds. However, many applications need a beam with uniform particle speeds. An arrangement known as a velocity selector uses electric and magnetic fields to pick particles with a particular speed from the beam.
A particle with charge q, speed v, and mass m enters an area from the top, where the magnetic and electric fields are perpendicular both to the particle's motion and to one another. The magnetic...
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Standing Waves in a Cavity01:28

Standing Waves in a Cavity

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A household microwave and lasers are examples of standing electromagnetic waves in a cavity. When two conducting metal plates are placed parallel at the nodal planes, it creates a cavity where standing waves are formed. The cavity between the two planes is analogous to a stretched string held at the points x = 0 and x = L. Here, the distance 'L' between the two planes must be an integer multiple of half of the wavelength. The wavelengths that satisfy this condition are given by:
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Graphing the Wave Function01:13

Graphing the Wave Function

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Consider the wave equation for a sinusoidal wave moving in the positive x-direction. The wave equation is a function of both position and time. From the wave equation, two different graphs can be plotted.
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相关实验视频

Updated: May 5, 2026

The Generation of Higher-order Laguerre-Gauss Optical Beams for High-precision Interferometry
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The Generation of Higher-order Laguerre-Gauss Optical Beams for High-precision Interferometry

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的双实验与扭曲的高斯斯凯尔模型束.

You-Lin Chuang

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    概括
    此摘要是机器生成的。

    这项研究揭示了部分连贯束中的扭曲相如何通过双裂纹实验改变空间连贯性. 扭曲相创造了独特的相关性,提供了一种检测光束中这些效应的方法.

    更多相关视频

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    相关实验视频

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    Measurement of X-ray Beam Coherence along Multiple Directions Using 2-D Checkerboard Phase Grating
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    科学领域:

    • 光学和光子学 在光学和光子学.
    • 量子光学是一种量子光学.
    • 经典光学是古典的光学.

    背景情况:

    • 部分连贯光束在各种光学应用中是基本的.
    • 了解空间连贯性对于光束传播和操纵至关重要.
    • 扭曲高斯斯模型 (TGSM) 引入了独特的相位特性.

    研究的目的:

    • 从理论上研究一个TGSM光束经过一个扬斯双裂后的空间连贯性.
    • 分析扭曲相对光束连贯结构的影响.
    • 提出一种实验方法来表征扭曲相效应.

    主要方法:

    • 一个TGSM光束与一个扬斯双相互作用的理论分析.
    • 对相互连贯函数的分析表达式的推导.
    • 在不同的扭转相位条件下检查连贯性质.

    主要成果:

    • 扭曲的阶段诱导横坐标之间的合.
    • 在整个观测平面上建立了非微不足道的空间相关性.
    • 扭曲阶段显著改变了光束的连贯结构.

    结论:

    • 扭曲阶段在塑造部分连贯束的空间连贯性方面发挥着至关重要的作用.
    • 该研究提供了一个可行的方案,用于实验检测和描述扭曲相效应.
    • 这项研究有助于理解和操纵复杂的光束.