Title : 
Propagation along concave surfaces
         
        
        
            Author_Institution : 
Polytechnic Institute of New York, Farmingdale, NY, USA
         
        
        
        
        
        
        
            Keywords : 
Frequency; Geometrical optics; Notice of Violation; Optical propagation; Optical reflection; Whispering gallery modes;
         
        
        
        
            Conference_Titel : 
Antennas and Propagation Society International Symposium, 1979
         
        
        
            DOI : 
10.1109/APS.1979.1148203