Press the Perform Simulation icon and set the Display Mode to Contour Map XZ. Press the Output button and set the window to look like Fig. 13.

Figure 13: Output settings
Figure 13: Output settings

Press OK to go back to the simulation window. Enter bpoutput in the Output Prefix box and then press OK run the simulation.

Figure 14: Simulation results using a launch field generated and translated from ZEMAX
Figure 14: Simulation results using a launch field generated and translated from ZEMAX

As we can see, the coupling from this lens from ZEMAX has about a 77% coupling into this particular fiber.

Note also that data can be easily converted from RSoft format to ZEMAX:



so that an easy bi-directional interface exists betwen the two codes.