Prism art

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Questions - Answers: DIFFRACTION GRATING - Q17 | Diffraction grating, Diffraction of light, Visible spectrum

17) What are the uses of a diffraction grating? Ans: The following are uses of diffraction grating: The diffraction grating is an immensely useful tool for the separation of the spectral lines associated with atomic transitions. It acts as a "super prism", separating the different colors of light much more than the dispersion effect in a prism. The rainbow-like iridescent reflection on CDs, DVDs, and bluray discs is an example of diffraction grating. Diffraction gratings are extremely useful…

Alberto Biasi, »Light Prisms«, 1962 - 1965, mobile crystal prisms, perspex blocks, electric engines, wooden case, Ins… | Lichtmalerei, Lichtkunst, Lichtinstallation

"Light is at the center of the work, light that reveals the present, moving and inspiring those who pass it and cause it to break into evanescent and ephemeral images." [1] (Biasi, 2009) »Light Prisms« consists of a rectangular box with four transparent prisms arranged around its center. The geometric shapes are illuminated by two bulbs to the left and right of the box’s frame. In darkness, beams of light dance in a play of color that vary in strength and intensity of color. These…

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