speckle caused by interference of reflected partially coherent sunlight, in ribbed rim of 2 euro coin

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speckle caused by interference of reflected partially coherent sunlight, in ribbled rim of 2 euro coin. 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: array, coherence, coherent, coin, fluctuations, interference, light, lines, optics, pattern, physics, point, refection, ribbed, rim, rough, scatter, scattering, source, speckle, spots, sunlight, surface, wavelengths