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Opt Express. 2010 Sep 27;18(20):20628-37. doi: 10.1364/OE.18.020628.

3D/2D convertible projection-type integral imaging using concave half mirror array.

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  • 1School of Electrical Engineering, Seoul National University, Gwanak-gu Gwanakro 599, Seoul 151-744, Korea.


We propose a new method for implementing 3D/2D convertible feature in the projection-type integral imaging by using concave half mirror array. The concave half mirror array has the partially reflective characteristic to the incident light. And the reflected term is modulated by the concave mirror array structure, while the transmitted term is unaffected. With such unique characteristic, 3D/2D conversion or even the simultaneous display of 3D and 2D images is also possible. The prototype was fabricated by the aluminum coating and the polydimethylsiloxane molding process. We could experimentally verify the 3D/2D conversion and the display of 3D image on 2D background with the fabricated prototype.

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