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Results tagged with diffraction
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user 152711
Diffraction is defined as the bending or flaring of light around the corners of an obstacle or aperture into the region of geometrical shadow of the obstacle. This flaring is consistent with the spreading of wavelets in the Huygens construction. Diffraction occurs for waves of all types, not just light.
23
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Why do I see three 'beams' when I look to a distant light source at dark?
In the night, when I look at a distant light source (for example a street lamp a few hundred meters away) I do not simply see a spot but rather a spot which is surrounded by 'light beams'.
So instead …
- 389
5
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Accepted
Why do I see three 'beams' when I look to a distant light source at dark?
Thanks to agweber's comment which pointed me this Youtube video, I found the right solution: The cause of this effect are the so called suture lines.
A sketch of the lens and these lines can be foun …
- 389