% Author: Prof. Dr. Matthias Jung, DL9MJ % Year: 2024 \begin{tikzpicture} \pgfplotsset{samples=200} \begin{axis}[ %ticks=none, xmin = 0, xmax = 2, ymin = 20, ymax = 100, grid=both, ytick = {0,10,20,30,40,50,60,70,80,90}, xtick = {0,0.4,0.8,1.2,1.6,2.0}, xticklabels = {~,0.4$\lambda$,0.8$\lambda$,1.2$\lambda$,1.6$\lambda$,2.0$\lambda$}, thick, smooth, no markers ] \addplot[smooth, ultra thick, color=DARCgray] coordinates { (0.00,73) (2.00,73) }; \addplot[smooth, ultra thick, color=DARCred] coordinates { (0.10, 19.51) (0.11, 23.20) (0.12, 27.57) (0.13, 32.25) (0.14, 37.05) (0.15, 41.85) (0.16, 46.57) (0.17, 51.16) (0.18, 55.60) (0.19, 59.85) (0.20, 63.90) (0.21, 67.74) (0.22, 71.35) (0.23, 74.72) (0.24, 77.84) (0.25, 80.72) (0.26, 83.35) (0.27, 85.72) (0.28, 87.83) (0.29, 89.69) (0.30, 91.29) (0.31, 92.63) (0.32, 93.73) (0.33, 94.58) (0.34, 95.19) (0.35, 95.56) (0.36, 95.71) (0.37, 95.63) (0.38, 95.34) (0.39, 94.84) (0.40, 94.15) (0.41, 93.27) (0.42, 92.22) (0.43, 91.01) (0.44, 89.64) (0.45, 88.14) (0.46, 86.52) (0.47, 84.78) (0.48, 82.96) (0.49, 81.06) (0.50, 79.11) (0.51, 77.12) (0.52, 75.11) (0.53, 73.12) (0.54, 71.16) (0.55, 69.25) (0.56, 67.43) (0.57, 65.71) (0.58, 64.13) (0.59, 62.71) (0.60, 61.47) (0.61, 60.44) (0.62, 59.63) (0.63, 59.05) (0.64, 58.73) (0.65, 58.64) (0.66, 58.81) (0.67, 59.20) (0.68, 59.81) (0.69, 60.61) (0.70, 61.59) (0.71, 62.71) (0.72, 63.95) (0.73, 65.29) (0.74, 66.69) (0.75, 68.13) (0.76, 69.58) (0.77, 71.03) (0.78, 72.45) (0.79, 73.83) (0.80, 75.15) (0.81, 76.39) (0.82, 77.54) (0.83, 78.60) (0.84, 79.54) (0.85, 80.38) (0.86, 81.09) (0.87, 81.68) (0.88, 82.14) (0.89, 82.47) (0.90, 82.68) (0.91, 82.75) (0.92, 82.70) (0.93, 82.53) (0.94, 82.24) (0.95, 81.83) (0.96, 81.32) (0.97, 80.71) (0.98, 80.00) (0.99, 79.22) (1.00, 78.35) (1.01, 77.43) (1.02, 76.46) (1.03, 75.44) (1.04, 74.40) (1.05, 73.35) (1.06, 72.30) (1.07, 71.27) (1.08, 70.26) (1.09, 69.30) (1.10, 68.40) (1.11, 67.58) (1.12, 66.84) (1.13, 66.20) (1.14, 65.66) (1.15, 65.25) (1.16, 64.95) (1.17, 64.79) (1.18, 64.75) (1.19, 64.84) (1.20, 65.05) (1.21, 65.38) (1.22, 65.82) (1.23, 66.35) (1.24, 66.98) (1.25, 67.68) (1.26, 68.44) (1.27, 69.25) (1.28, 70.10) (1.29, 70.96) (1.30, 71.83) (1.31, 72.69) (1.32, 73.54) (1.33, 74.35) (1.34, 75.13) (1.35, 75.85) (1.36, 76.52) (1.37, 77.12) (1.38, 77.65) (1.39, 78.11) (1.40, 78.48) (1.41, 78.77) (1.42, 78.98) (1.43, 79.10) (1.44, 79.13) (1.45, 79.08) (1.46, 78.94) (1.47, 78.72) (1.48, 78.43) (1.49, 78.06) (1.50, 77.62) (1.51, 77.13) (1.52, 76.57) (1.53, 75.97) (1.54, 75.33) (1.55, 74.66) (1.56, 73.96) (1.57, 73.25) (1.58, 72.54) (1.59, 71.84) (1.60, 71.15) (1.61, 70.49) (1.62, 69.86) (1.63, 69.28) (1.64, 68.76) (1.65, 68.30) (1.66, 67.91) (1.67, 67.59) (1.68, 67.36) (1.69, 67.21) (1.70, 67.15) (1.71, 67.17) (1.72, 67.28) (1.73, 67.47) (1.74, 67.74) (1.75, 68.08) (1.76, 68.48) (1.77, 68.95) (1.78, 69.46) (1.79, 70.02) (1.80, 70.60) (1.81, 71.21) (1.82, 71.83) (1.83, 72.45) (1.84, 73.06) (1.85, 73.66) (1.86, 74.24) (1.87, 74.78) (1.88, 75.29) (1.89, 75.75) (1.90, 76.17) (1.91, 76.53) (1.92, 76.83) (1.93, 77.07) (1.94, 77.25) (1.95, 77.37) (1.96, 77.42) (1.97, 77.40) (1.98, 77.32) (1.99, 77.18) }; \draw(axis cs:0.165,50) node(c)[circle,fill,inner sep=2pt]{}; \draw(c.east) node[right]{0.15$\lambda$}; \draw[DARCgray](axis cs: 0.4,73) node[above]{\qty{73}{\ohm}}; \end{axis} \end{tikzpicture}