| 摘要 |
A stereo projection optical system includes a polarizing beam splitter configured for splitting a light input into first, second polarized light components, first, second digital micro-mirror device respectively positioned to receive the first, second polarized light component and configured for superimposing spatial information on the first, second polarized light component, first, second total internal reflection prism configured for coupling the first, second polarized light component into the first, second digital micro-mirror device and a light combiner. The projecting lens projects two images formed by the first polarized light component and the second polarized light component with spatial information in the stereo projection optical systems. When a viewer wear glasses that have two polarizing lenses whose polarization direction is perpendicular to each other, the viewer can perceive projected images as being "3-D".
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