voltest { Particles at low current are dropped through a voltage. Diagnostics of how much energy they have on arrive at the far wall are kept. In this case, the particles should arrive with an energy of 100v. } Region { Grid { // number of grids in x J = 20 x1s = 0.0 x1f = 1.0 n1 = 1.0 // number of grids in y K = 20 x2s = 0.0 x2f = 1.0 n2 = 1.0 Geometry = 1 } Species { name = electrons m = 9.11E-31 q = -1.6e-19 } Control { // the time step dt = 1e-9 ElectrostaticFlag = 1 } Dielectric { j1 = 0 j2 = 0 k1 = 0 k2 = 20 } EmitPort { j1 = 9 j2 = 11 k1 = 20 k2 = 20 speciesName = electrons normal = -1 // number of particles np2c = 4e3 // current I = 0.000005 v2drift = 0.01 } Dielectric { QuseFlag = 0 j1 = 20 j2 = 20 k1 = 0 k2 = 20 normal = -1 } Conductor { name = collector IdiagFlag = 1 nxbins = 10 j1 = 0 j2 = 20 k1 = 0 k2 = 0 // resolution of the energy diagnostic nenergybins = 400 energy_min = 95 energy_max = 105 } Equipotential { j1 = 0 j2 = 20 k1 = 20 k2 = 20 normal = -1 // the voltage C = -100 } }