Optical EngineeringLight polarization in support of stereoscopic display
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The encoding of three-dimensional image pairs by polarization was proposed as early as the 1890s, perhaps stimulated by the popularity of stereoscopic photography, the proliferation of devices for viewing side-by-side stereoscopic images, and the invention of the anaglyph. The introduction of inexpensive sheet polarizing material gave rise to new three-dimensional technologies, starting in the 1930s with 16-mm black-and-white motion pictures projected by paired projectors equipped with orthogonally oriented polarizing filters. Further advances included the introduction of color, the concept of printing left- and right-eye images on a common carrier, and most recently the development of digital photography and the utilization of polarizers in both two- and three-dimensional digital color display.