speckle caused by interference of reflected partially coherent sunlight. The object is a detail of a key photographed in EXD6HK

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speckle caused by interference of reflected partially coherent sunlight. The object is a detail of a key photographed in EXD6HK. These colored dots are very small so please enlarge for proper viewing.

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Size: 5616px × 3744px
Photo credit: © durk gardenier / Alamy / Afripics
License: Royalty Free
Model Released: No

Keywords: coherence, coherent, fluctuations, interference, key, light, mckechnie, optics, pattern, physics, pointsource, refection, rough, scatter, scattering, source, speckle, spots, sunlight, surface, wavelengths