Investigations on Shaped Mirror Systems in Quasi-Optical Mode Converters Based on Irradiance Moments Method

<div>The relationship among the iteration times, the convergence speed, and the computation time. The horizontal axis is iteration times. In vertical axis, the left is convergence speed <svg height="12.6721pt" id="M172" style="vertical-align:-3.38377pt" version="1.1" viewbox="-0.0498162 -9.28833 64.8341 12.6721" width="64.8341pt" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink"><g transform="matrix(.013,0,0,-0.013,0,0)"><path d="M300 -147C201 -63 143 98 143 270S200 602 300 686L282 710C136 610 70 450 70 271V270C70 89 136 -72 282 -170L300 -147Z" id="g113-41"></path><glyph.data ascent="3473" descent="-2876" horiz-adv-x="346" vert-adv-y="346"></glyph.data></g><g transform="matrix(.013,0,0,-0.013,4.498,0)"><path d="M238 0V26C174 32 166 38 166 104V712C132 700 70 683 18 677V653C81 647 87 645 87 577V104C87 38 78 32 15 26V0H238Z" id="g121-106"></path><glyph.data ascent="989" descent="-360" horiz-adv-x="253" vert-adv-y="253"></glyph.data></g><g transform="matrix(.013,0,0,-0.013,7.787,0)"><path d="M257 449C165 449 37 374 37 209C37 98 119 -12 256 -12C355 -12 473 65 473 226C473 349 381 449 257 449ZM244 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International Journal of Antennas and Propagation

fig7

Figure 7

Figure 7: Investigations on Shaped Mirror Systems in Quasi-Optical Mode Converters Based on Irradiance Moments Method 