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


  • Double-Monochromator facilitates weapons detection.
    Suitable for sensors used in Raman spectroscopy systems to detect chemical, biological, radiological, nuclear, or explosive weapons, Model 275D works as tunable filter, adjustable Raleigh edge-rejection, and bandpass. Double-monochromator can work to wavelengths as short as 190 nm and includes wavelength tuning for signal optimization. Diffraction gratings with ab Read more on this news related to 'Diffraction'
  • Silicon Aspheric Lenses suit weight-sensitive IR applications.
    Offering alternative to ZnSe and brittle Germanium lenses, TECHSPEC® Silicon Aspheric Lenses are suited for midwave infrared applications. RoHS-compliant units provide diffraction-limited performance and withstand effects of harsh environments. Manufactured using optical-grade silicon substrate, lenses are available in six 25 mm diameter models, with focal length Read more on this news related to 'Diffraction'
  • First Scientific Publication from Data Collected at NSLS-II
    Just weeks after the National Synchrotron Light Source II (NSLS-II), a U.S. Department of Energy Office of Science User Facility at Brookhaven National Laboratory, achieved first light, a team of scientists at the X-Ray Powder Diffraction (XPD) beamline tested a setup that yielded data on thermoelectric materials. The work was part of the commissioning activities Read more on this news related to 'Diffraction'

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