Introduction to Acoustical Holography

Since the first papers by E. N. Leith and J. Upatnieks on the subject of holography appeared in 1961, there has been a virtual explosion of research activity in the field. More than SOO papers and articles on holo­ graphy have appeared in the last ten years. Many applications of holo­ graphy have been proposed, and some of these are beginning to enter the realm of usefulness. One of the applicatio...