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[dĭ-frăḱshən]
(n.)Change in the directions and intensities of a group of waves after passing by an obstacle or through an aperture whose size is approximately the same as the wavelength of the waves.
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Diffraction - Wikipedia, the free encyclopedia
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Diffraction is normally taken to refer to various phenomena which occur when a wave encounters an obstacle. It is described as the apparent bending of waves around small obstacles and the spreading o...
en.wikipedia.org/wiki/Diffraction
Diffraction-limited system - Wikipedia, the free encyclopedia
The resolution of an optical imaging system — a microscope, telescope, or camera — can be limited by factors such as imperfections in the lenses or misalignment. However, there is a fundamental maximu...
en.wikipedia.org/wiki/Diffraction-limited_system
Diffraction is an optical effect which can limit the total resolution of your photography-- no matter how many megapixels your camera may have. Ordinarily light travels in straight lines through uniform air, however it begins to disperse or "diffract" when squeezed through a small hole (such as your camera's aperture).
www.cambridgeincolour.com/tutorials/diffraction-photogr... www.cambridgeincolour.com/tutorials/diffraction-photography.htm · Cached
Diffraction is the slight bending of light as it passes around the edge of an object. The amount of bending depends on the relative size of the wavelength of light to the size of the opening. If the opening is much larger than the light's wavelength, the bending will be almost unnoticeable.
ww2010.atmos.uiuc.edu/(Gh)/guides/mtr/opt/mch/diff.rxml · Cached
To understand diffraction we have to consider what happens when a wave interacts with a single particle. The particle scatters the incident beam uniformly in all directions.
www.matter.org.uk/diffraction/introduction/what_is_diff... www.matter.org.uk/diffraction/introduction/what_is_diffraction.htm · Cached
Diffraction of Light ... The wave nature of light leads to two very important properties: refraction, where the direction of light propagation is altered at the boundary between media of different densities, and diffraction, which has among its consequences that light can "bend around corners".
csep10.phys.utk.edu/astr162/lect/light/ref-diff.html · Cached
This java applet generates Fresnel diffraction patterns, which are the shadows cast by small apertures when using a plane source of monochromatic light as a light source. ... The red line is the outline of the geometrical shadow (the shadow which would be cast if there were no diffraction).
www.falstad.com/diffraction/ www.falstad.com/diffraction/ · Cached
Diffraction is the bending of light as it passes the edge of an object. An example of this property is the shadow. If observed carefully, the edges of shadows are not solid, but slightly fuzzy.
library.thinkquest.org/27356/p_diffraction.htm library.thinkquest.org/27356/p_diffraction.htm · Cached
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