Abstract

In order to increase the image size and the viewing zone angle of a hologram, a high-speed spatial light modulator (SLM) is imaged as a vertically long image by an anamorphic imaging system, and this image is scanned horizontally by a galvano scanner. The reduction in horizontal pixel pitch of the SLM provides a wide viewing zone angle. The increased image height and horizontal scanning increased the image size. We demonstrated the generation of a hologram having a 15° horizontal viewing zone angle and an image size of 3.4 inches with a frame rate of 60Hz using a digital micromirror device with a frame rate of 13.333kHz as a high-speed SLM.

© 2009 Optical Society of America

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