Science Source General Science

EN_90286236_0255

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caption

Newton Rings is an interference pattern between a spherical and a plane wavefronts. Such wavefronts can be obtained in practice by reflecting a collimated beam from nearby spherical and plane surfaces. When observed in monochromatic light, the pattern is a series of concentric dark and light rings (fringes). Shown here are Newton Rings obtained by reflecting a semiconductor laser beam from a plano-convex lens as observed on a screen. Characteristic laser speckle pattern is apparent. The speckle results from light scattering by (microscopic) rough texture of the screen

headline Science Source General Science

created date 2010-02-13

credit EAST NEWS

source Science Source

byline GIPhotoStock

original transmission reference bk9893

weight 2,32MB

size 38cm x 25cm by 300dpi

keywords - Show

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