The data format is a json file consisting of:

{
    "100": { # Ridge fabricated with 100 um kerf blades
        "pos": An array of X-positions along the waveguide ridge in mm
        "width": The width of the ridge at each position in nm
    },
    "300": { # Ridge fabricated with 300 um kerf blades
        "pos": An array of x-positions along the waveguide ridge in mm
        "width": The width of the ridge at each position in nm
    }
}
