<title>Achromatized-transmission-type holographic screen for stereo imaging and the multiview projection</title>

Abstract

The main drawback of a transmission type holographic screen is the color separation when the color images are projected on it due to its high dispersion. This drawback can be overcome by recording the screen with use of a long narrow slit type diffuser as an object. With the diffuser, a holographic screen of size 30 X 40cm2 has been recorded to display a full color stereoscopic image. The images displayed on the screen show a good resolution and are naturally colored, except near the edges of the screen. The color distortions in the edges of the screen are reduced by a lenticular sheet attached to the screen. The lenticular sheet enlarges the viewing zone. The image appears on the screen is bright enough to watch even in a normally illuminated room.

54.5: Holographic Screens for 3 Dimensional Image Projection

“…To make the screen has a wide spectral response comparable to visible spectral range, it is necessary to make the screen have a variable period fringe structure. Based on this concept, Korea Institute of Science and Technology(KIST) developed a full color transmission type holographic screen with use of a long slit type diffuser as an object [4]. The screen creates a full color viewing zone for images projected from a projector by making the reconstructed diffuser image for each spectral component of the images overlap partially in space.…”