OptiFDTD provides a refractive index viewer to observe the refractive index
distribution on any plane in three orientations. To observe the refractive index
distribution, perform the following procedure.

Observing the Refractive Index Distribution

1Click the 3D Ref. Index tab at the bottom of the layout window.

The 3D Refractive Index window opens.

FDTD - Figure 28 3D Refractive Index tab

Figure 28: 3D Refractive Index tab

2To view the graphic in height plot format, from the View menu, select 3D Graph Items > Height Plot.
3To view the x-y plane refractive index distribution, under Orientation, select X-Y Plane.

FDTD - Figure 29 Orientation—X-Y Plane

Figure 29: Orientation—X-Y Plane

4Move the Slicer slider to the desired position.

FDTD - Figure 30 Slicer

Figure 30: Slicer

5To set more graphic view options, right-click anywhere in the graph.

FDTD - Figure 31 Graph Item view options menu

Figure 31: Graph Item view options menu