Diffraction

$Diffraction pattern of red laser beam made on a plate after passing a small circular hole in another plate$

$Solar glory at the steam from hot springs. A glory is an optical phenomenon produced by light backscattered (a combination of diffraction, reflection and refraction) towards its source by a cloud of uniformly sized water droplets.$

$Photograph of single-slit diffraction in a circular ripple tank$

$Numerical approximation of diffraction pattern from a slit of width equal to wavelength of an incident plane wave in 3D spectrum visualization$

Diffraction refers to various phenomena which occur when a wave encounters an obstacle or a slit. It is defined as the bending of light around the corners of an obstacle or aperture into the region of geometrical shadow of the obstacle. In classical physics, the diffraction phenomenon is described as the interference of waves according to the Huygens–Fresnel principle. These characteristic behaviors are exhibited when a wave encounters an obstacle or a slit that is comparable in size to its wavelength. Similar effects occur when a light wave travels through a medium with a varying refractive index, or when a sound wave travels through a medium with varying acoustic impedance. Diffraction occurs with all waves, including sound waves, water waves, and electromagnetic waves such as visible light, X-rays and radio waves.

单词	Single slit
释义	Single slit 英语例句库 The mantid ear -- a single slit -- is sensitive to the ultrasonic "pings" emitted by hunting bats. 螳螂的耳朵只有一条裂缝，对于蝙蝠发出的超声波非常敏感。原声例句 Crash Course Physics 速成课物理 Now, constructive interference through a single slit works a little differently. 现在，通过单个狭缝的相长干涉的工作方式略有不同。 Crash Course Physics 速成课物理 We also explored the diffraction pattern from a single slit. . 我们还探索了单缝的衍射图案。海底两万里（原版） Tertio, Conseil replied, The sturionians, whose gill opening is the usual single slit adorned with a gill cover, an order consisting of four genera. Example: the sturgeon. 第三目：鳍鱼，鳃跟平常的千样，只由一个有盖的孔开会；这一目有四科。类型：磺鱼。 Crash Course Physics 速成课物理 As with the previous example, this also has to do with the path difference between individual rays passing through the single slit. 与前面的示例一样，这也与通过单个狭缝的各个光线之间的路径差异有关。 Crash Course Physics 速成课物理 For a single slit, the path difference is between the light coming from the very top of the slit and the light coming from the very bottom of the slit. 对于单个狭缝，路径差是来自狭缝最顶部的光和来自狭缝最底部的光之间。英语百科 Diffraction $Diffraction pattern of red laser beam made on a plate after passing a small circular hole in another plate$ $Solar glory at the steam from hot springs. A glory is an optical phenomenon produced by light backscattered (a combination of diffraction, reflection and refraction) towards its source by a cloud of uniformly sized water droplets.$ $Photograph of single-slit diffraction in a circular ripple tank$ $Numerical approximation of diffraction pattern from a slit of width equal to wavelength of an incident plane wave in 3D spectrum visualization$ Diffraction refers to various phenomena which occur when a wave encounters an obstacle or a slit. It is defined as the bending of light around the corners of an obstacle or aperture into the region of geometrical shadow of the obstacle. In classical physics, the diffraction phenomenon is described as the interference of waves according to the Huygens–Fresnel principle. These characteristic behaviors are exhibited when a wave encounters an obstacle or a slit that is comparable in size to its wavelength. Similar effects occur when a light wave travels through a medium with a varying refractive index, or when a sound wave travels through a medium with varying acoustic impedance. Diffraction occurs with all waves, including sound waves, water waves, and electromagnetic waves such as visible light, X-rays and radio waves.
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Single slit

Diffraction