One-unit system for electroholography by use of a special-purpose computational chip with a high-resolution liquid-crystal display toward a three-dimensional television

We developed a one-unit system for electroholography, which consists of a special-purpose computational chip and a high-resolution, reflective mode, liquid-crystal display panel as a spatial light modulator. We implemented them on one board whose size is approximately 20 cm x 20 cm. The chip makes a computer-generated hologram whose size is 800 x 600 at nearly real time (similar to 0.5 s) for an object consisting of 1000 points. The pixel pitch of the display panel is 12 mum, and the resolution is 800 x 600. It reconstructs a three-dimensional motion image whose size is approximately 3 cm x 3 cm x 3 cm. The system can be readily scaled up, since the units consisting of the chip and the display are easily set in parallel. (C) 2004 Optical Society of America.