File:Huygens Fresnel Principle.gif

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Huygens_Fresnel_Principle.gif (301 × 301 pixels, file size: 796 KB, MIME type: image/gif, looped, 11 frames, 0.3 s)

Description: Huygens[1] proposed that every point to which a luminous disturbance reaches becomes a source of a spherical wave, and the sum of these secondary waves determines the form of the wave at any subsequent time. He assumed that the secondary waves traveled only in the "forward" direction and it is not explained in the theory why this is the case. He was able to provide a qualitative explanation of linear and spherical wave propagation, and to derive the laws of reflection and refraction using this principle. black and white visualization for w> λ http://weelookang.blogspot.com/2011/10/ejs-open-source-single-slit-diffraction.html

Author: Lookang

License: CC-BY-SA 3.0 Unported

URL: https://secure.wikimedia.org/wikipedia/en/wiki/File:Huygens_Fresnel_Principle.gif

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current18:35, 18 July 2023Thumbnail for version as of 18:35, 18 July 2023301 × 301 (796 KB)Wandell (talk | contribs)== Summary == First batch of psych221 image-import from 0

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