Refractive Index Description

The refractive index distribution can be specified in one of two ways:

• An arbitrary refractive index profile can be uploaded as a two-colum text file. The first column is the distance and the second column is the refractive index. Click here for an example.
• The refractive index can be created using a set of built-in linear functions. Each function has the form f(y). Multiple functions can be entered, and most geometries of interest can be constructed this way. Click here for a complete description. The background index is assumed to be 1.0, and every function adds an incremental value.
• The distribution profile from another job can be transferred to this job. This could be useful when repeating different computations on the same profile. When a field, refractive index or function is plotted from the other program, there should be an option at the bottom of the screen for copying that distribution as the refractive index distribution for another program.