This is the data file to plot the figure 6 of the paper FDTD-calculated Impulse responses Spectrums Ex component Ey component Ex component Ey component -8.61E-05 -0.00016712 0.0055833 0.0049022 -0.0008724 -0.0017893 0.0074609 0.011059 -0.0040218 -0.0088965 0.011136 0.020076 -0.0075681 -0.018928 0.014928 0.028761 -0.0029199 -0.011807 0.018309 0.036589 0.006315 0.0099697 0.02109 0.043304 0.0076706 0.015881 0.0232 0.048752 0.0040595 0.0078989 0.02463 0.052853 0.0016548 0.0021925 0.025408 0.055586 0.00070239 0.00048954 0.025595 0.056983 0.00032028 0.00013369 0.025267 0.057129 0.00015309 5.46E-05 0.024503 0.056148 7.68E-05 2.88E-05 0.023383 0.054195 4.06E-05 1.65E-05 0.021988 0.051444 2.27E-05 9.52E-06 0.020398 0.048076 1.33E-05 5.39E-06 0.018683 0.044272 8.20E-06 2.95E-06 0.016905 0.040203 5.27E-06 1.52E-06 0.015117 0.036024 3.52E-06 6.95E-07 0.013366 0.031868 2.44E-06 2.33E-07 0.011689 0.027844 1.74E-06 -1.75E-08 0.010113 0.024037 1.28E-06 -1.46E-07 0.0086571 0.02051 0 0 0.0073329 0.017302 0 0 0.0061478 0.014433 0 0 0.0051026 0.011909 0 0 0.004192 0.0097192 0 0 0.003408 0.0078476 0 0 0.002742 0.0062691 0 0 0.0021842 0.0049552 0 0 0.0017223 0.0038755 0 0 0.0013433 0.0029999 0 0 0.0010358 0.002299 0 0 0.0007904 0.0017456 0 0 0.00059729 0.0013148 0 0 0.00044648 0.00098508 0 0 0.00032955 0.00073821 0 0 0.00024091 0.00055908 0 0 0.00017697 0.0004365 0 0 0.00013632 0.00036408 0 0 0.00012173 0.00033992 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0