WaveguideTM { waveguide } Region { Grid { J = 50 x1s = 0.0 x1f = 0.01 n1 = 1.0 K = 10 x2s = 0.0 x2f = 0.0025 n2 = 1.0 Geometry = 1 } Control { dt = 2e-13 ElectrostaticFlag = 0 } Species { name = positrons m = 9.11E-31 q = 1.6e-19 } PortTM { j1 = 0 k1 = 0 j2 = 0 k2 = 10 normal = 1 frequency = 1e11 A = 1 C = 0 EFFlag = 1 name = PortTM } Conductor { name = TheTopWall j1 = 0 k1 = 10 j2 = 50 k2 = 10 normal = -1 } ExitPort { j1 = 50 k1 = 10 j2 = 50 k2 = 0 EFFlag = 1 normal = -1 name = ExitPort C = 0 A = 0 frequency = 1 } Conductor { name = TheBottomWall j1 = 0 k1 = 0 j2 = 50 k2 = 0 normal = 1 } }