Abstract

Computer holograms can be formed of 3-D objects by exposing the hologram sequentially to lightwaves from different points on the computer-specified object (combined with an appropriate reference). For objects containing many resolvable points, the resultant exposures have low signal-to-bias ratios; if displays with adequate signal-to-noise ratio are to be obtained, optimization of the many recording parameters is essential. Because of the low signal-to-bias ratio, optimization methods differ from those applicable to conventional holography. However, they are generally more tractable theoretically. Of particular interest to us is optimization for bleached holograms. An analysis of the problem and its solutions, along with the results of experimental studies, are presented.

© 1985 Optical Society of America