Abstract

The increasing use of rear projection screens has brought about the need for a better understanding of their performance limits based on an analytical model which relates the physical and optical properties of the screen. A theoretical model is developed based on the Mie theory of light scattering, and a general discussion is given of the optical and viewing properties of rear projection screens, using an operational terminology. Basic light scattering data are used to calculate relations between such optical properties as screen brightness, axial gain, uniformity, efficiency, color fidelity, and ambient light sensitivity from such physical parameters as scattering particle size and number density, and relative refractive index of the scattering particles. Data from experimental investigations of volume scattering materials fabricated by Corning Glass Works are found to be in good agreement with the theoretical calculations.

© 1968 Optical Society of America

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