D_plate 5[mm] "Plate thickness" W_plate 15[mm] "Plate width" L_plate 50[cm] "Plate length" H_wedge 20[mm] "Wedge height" W_wedge 20[mm] "Wedge width" L_wedge 40[mm] "Wedge length" L_slope 16[mm] "Wedge slope length" alpha 70[deg] "Wedge angle" R_source 6.25[mm] "Excitation area radius"