Diffraction

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Diffraction Meaning and Definition in Dictionary

Definitions from Wordnet 2.0


  • when light passes sharp edges or goes through narrow slits the rays are deflected and produce fringes of light and dark bands

Definitions from Wiktionary


  • when light passes sharp edges or goes through narrow slits the rays are deflected and produce fringes of light and dark bands

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Diffraction Meaning and Definition in Wikipedia


Diffraction is a physics concept. Diffraction occurs when waves bend around small obstacles, or when waves spread out after they pass through small openings. Diffraction occurs with all waves, including sound waves, water waves, and electromagnetic waves such as light that the eye can see. Diffraction also occurs with matter such as electrons.

Diffraction is caused by one wave of light being shifted by a diffracting object. This shift will cause the wave to have interference with itself. Interference can be either constructive or destructive. When interference is constructive, the intensity of the wave will increase. When interference is destructive, the intensity will decrease, sometimes to a point where it is completely destroyed. These patterns of interference rely on the size of the diffracting object and the size of the wave. The strongest examples of diffraction occur in waves where the wavelength is close to the same size of the object causing the diffraction.



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Diffraction Sample Sentences in News


  • New model clarifies photoexcited thin-film lattice dynamics
    This image depicts time-resolved X-ray diffraction on a laser-excited thin film which is transiently split in an expanded and a compressed sub layer due to coherent lattice dynamics. Image courtesy Daniel Schick. Read more on this news related to 'Diffraction'
  • X-Ray Laser Imaging Advances To Nanometer Scale
    Using an X-ray laser to create diffraction patterns, scientists were recently able to visualize individual carboxysomes without crystallizing them. At about 115 nanometers, carboxysomes are the smallest biological specimen studied by an X-ray laser to date. Read more on this news related to 'Diffraction'
  • Reflecting on diffraction
    In case you didn't know, it's the International Year of Crystallography. A year-long celebration of all metrics crystalline initiated by the United Nations to celebrate the centenary of the discovery of X-ray crystallography. Read more on this news related to 'Diffraction'

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