Pekeris waveguide
N V J  
30 0
3
0 0 0 0 0 0 0
0 1500 0 0 0 1 0
100 1800 0 0 0 1.8 0
80
20 100 5 1
1400 1E9
-1 1 1 40
4096 0 75 0.00125 1 1 5