Achromatized transmission-type holographic screen for a multiview stereoscopic image system

Abstract

The main drawback of the use of transmission-type holographic screens is poor color reproduction caused by their high spectral dispersion. For overcoming this drawback, a long, narrow diffusing slit is used as an object when recording the screen. The necessary size and position of the slit relative to the photoplate and to the recording and reconstruction beams are determined by the phase relations of the beams. By use of the slit, holographic screens of 30 cm x 40 cm are recorded with a diverging reference beam and are used to display a multiview full-color stereoscopic image. The images displayed on the screen show no sign of color separation except near the edges of the screen. The image brightness on the screen is high enough that it can be watched in a normally illuminated room.

54.5: Holographic Screens for 3 Dimensional Image Projection

“…The transmission type case, the color performance is defined at the recording stage. The relative positions of the diffuser, the reference beam and the screen are the main parameters for determining the full color performance of the transmission type screen [7]. Fig.…”