Title : 
An Analysis of the Ultrasonic Zone Lens
         
        
            Author : 
Golis, Matthew J.
         
        
        
        
        
            fDate : 
4/1/1968 12:00:00 AM
         
        
        
        
            Keywords : 
Acoustic devices; Acoustic materials; Acoustic refraction; Acoustic waves; Aluminum; Apertures; Lenses; Optical materials; Optical refraction; Optical surface waves;
         
        
        
            Journal_Title : 
Sonics and Ultrasonics, IEEE Transactions on
         
        
        
        
        
            DOI : 
10.1109/T-SU.1968.29455