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词汇 diffractive
分类 英语词汇 英语翻译词典
释义

diffractive /di'fræktiv/

英汉-汉英词典
adj. 衍射的
词组 | 习惯用语
您要查找的是不是:
  • diffract v. 使分散;使衍射
  • diffraction n. (光,声等的)衍射,绕射
  • refractive adj. 折射的
  • diffractometer n. 衍射计
diffractive adj. 衍射的;绕射的

网络短语:
Diffractive telescope 衍射望远镜
diffractive ring 裂环
diffractive mems 衍射mems
diffractive spectrum 衍射光谱
diffractive lenses 衍射透镜
diffractive light 衍射光
diffractive lens 衍射透镜
diffractive characteristics 衍射特性
diffractive MIOL 衍射型; 另一种为衍射型;
diffractive spillover 衍射消失
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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