scholarly journals T-MATRIX ANALYSIS OF MULTIPLE SCATTERING FROM PARALLEL SEMI-CIRCULAR CHANNELS FILLED WITH CHIRAL MEDIA IN A CONDUCTING PLANE

2005 ◽  
Vol 53 ◽  
pp. 299-318 ◽  
Author(s):  
Yaojiang Jiang Zhang ◽  
Alexander Bauer ◽  
Er Ping Li
1980 ◽  
Vol 67 (S1) ◽  
pp. S18-S19
Author(s):  
E. Tanglis ◽  
G. Gaunaurd ◽  
H. Überall

1982 ◽  
Vol 71 (S1) ◽  
pp. S67-S67
Author(s):  
L. Flax ◽  
L. H. Green ◽  
M. Werby ◽  
V. K. Varadan ◽  
V. V. Varadan

1980 ◽  
Vol 21 (3) ◽  
pp. 225-231 ◽  
Author(s):  
K.K. Ghosh ◽  
D.L. Huber
Keyword(s):  

1980 ◽  
Vol 68 (S1) ◽  
pp. S80-S80
Author(s):  
L. R. Dragonette ◽  
Lawrence Flax ◽  
Vijay K. Varadan ◽  
Vasundra V. Varadan

Author(s):  
Rogelio Gracia´ ◽  
Daniel Torrent ◽  
Jose´ Sa´nchez-Dehesa

The t matrix of a hole in an acoustic waveguide is here obtained and applied to study the scattering of sound waves propagating inside a waveguide. It is found that a hole drilled in a waveguide behaves as a cylindrical unit whose dynamical mass density is lower than that of the surrounded background. This property has been used here to design an acoustic refractive lens. Numerical experiments based on multiple scattering simulations confirm the sound focusing by the designed device.


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