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Researchers create 3-D stereoscopic color prints with nanopixels

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Posted November 21, 2014

By designing nanopixels that encode two sets of information—or colors of light—within the same pixel, researchers have developed a new method for making 3D color prints. Each pixel can exhibit one of two colors depending on the polarization of the light used to illuminate it. So by viewing the pixels under light of both polarizations, two separate images can be seen. If the two images are chosen to be slightly displaced views of the same scene, viewing both simultaneously results in depth perception and the impression of a 3D stereoscopic image.

3d stereoscopic displays 1

(Left) Elliptical and coupled nanosquare pixels scatter different wavelengths of light depending on polarization. (Right) The stereomicroscope setup uses different polarizers on each eyepiece to image two superposed microprints which contain pixels that present two laterally displaced images to the left and right eyes of a viewer, resulting in depth perception. Credit: Xiao Ming Goh, et al. ©2014 Macmillan Publishers Limited

The researchers, led by Professor Joel K.W. Yang, at A*STAR (the Agency for Science, Technology and Research) in Singapore, the National University of Singapore, and the Singapore University of Technology and Design, have published a paper on the new technique for realizing 3D full-color stereoscopic prints in a recent issue of Nature Communications.

Read more at: Phys.org

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