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  • noun

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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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If the range of applicability of SDPD is to be extended beyond the current bounds, attention now needs to be focused on the basic information content of the powder diffraction pattern and on how it can be enhanced by experimental and algorithmic developments.
Figure 4 presents the X-ray diffraction pattern along with the 2[theta] spectrum generated by the transmittance of the X-ray beam through the cylindrical blown film.
The NIST scientists developed a method for precisely controlling the cloud's spin so as to synchronize it with pulses of laser light and thus obtain a diffraction pattern of individual spots, "You see nice square lattices," Itano says.
For large negative values of z, Sommerfeld's theory also yields a comlementary term for the Fresnel approximation of the reflected diffraction pattern on the lit side of the half plane.
X-ray diffraction patterns of the raw materials used in this work are presented in Figure 2.
The researchers then measured the cubic structure of the ice by shining a high-intensity X-ray laser into the frozen droplets created in the nozzle and examining the diffraction pattern on an Xray camera.
7: Shows the X-ray diffraction pattern for the glass sample without (Ti[O.
For example the 'inkjet printed hologram' work at the University of St Petersburg (see HN January 2016) utilises a colourless inkjet printable ink to render a pre-printed diffraction pattern visible.
While the diffraction pattern of hesperidin methyl chalcone exhibited some sharp crystalline peaks.
The PHOTON II detector's primary function is to accurately and precisely record the position and intensity of an X-ray diffraction pattern form a single-crystal diffraction experiment.
Figure 4b shows a diffraction pattern formed in an angular space ([PSI]-[phi]).
In x-ray crystallography, resolution is the highest resolvable peak in the diffraction pattern, while resolution in cryo-electron microscopy is a frequency space comparison of two halves of the data, which strives to correlate with the x-ray definition.
The equations 2-5 are used to calculate the diffraction pattern of water waves.
The diffraction pattern of a flawless in-focus star image is lovely, but atmospheric turbulence (seeing) often conceals it, especially when we're observing with large-aperture telescopes.