Effects of Metamaterial Slabs Applied to Wireless Power Transfer at 13.56 MHz

<div>EM-simulated efficiencies as a function of <svg height="11.9171pt" id="M242" style="vertical-align:-2.2392pt" version="1.1" viewbox="-0.0498162 -9.6779 18.3494 11.9171" width="18.3494pt" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink"><g transform="matrix(.0135,0,0,-0.0135,0,0)"><path d="M352 391C352 416 319 448 267 448C236 448 173 423 147 400C107 364 96 332 96 304C96 248 143 210 193 181C241 153 258 124 258 100C258 72 232 38 184 38C151 38 107 66 81 108C77 114 64 116 55 111C34 99 23 84 23 65C23 29 81 -12 134 -12C220 -12 325 61 325 141C325 184 297 215 234 256C194 282 161 309 161 346C161 380 188 401 217 401C255 401 279 380 301 353C308 344 313 341 325 347C341 355 352 371 352 391Z" id="g113-116"></path><glyph.data ascent="3473" descent="-2876" horiz-adv-x="375" vert-adv-y="375"></glyph.data></g><g transform="matrix(.0135,0,0,-0.0135,5.081,0)"><path d="M368 703H309L44 -163H104L368 703Z" id="g113-48"></path><glyph.data ascent="3473" descent="-2876" 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<svg height="11.2372pt" id="M244" style="vertical-align:-2.23925pt" version="1.1" viewbox="-0.0498162 -8.99795 9.91808 11.2372" width="9.91808pt" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink"><g transform="matrix(.0135,0,0,-0.0135,0,0)"><path d="M699 368C699 549 574 666 407 666C186 666 23 488 23 277C23 113 129 -3 288 -13L307 -26C431 -111 501 -139 533 -147C559 -154 613 -163 658 -164L666 -141C597 -111 507 -66 430 -11L416 -1C580 42 699 190 699 368ZM601 371C601 227 518 54 381 22L354 40L278 24C175 47 120 145 120 269C120 451 235 631 398 631C540 631 601 521 601 371Z" id="g113-82"></path><glyph.data ascent="3473" descent="-2876" horiz-adv-x="722" vert-adv-y="722"></glyph.data></g></svg>-factor of loops 1 and 2 is 473 and an ideal isotropic slab with <svg height="12.5699pt" id="M245" style="vertical-align:-3.57195pt" version="1.1" viewbox="-0.0498162 -8.99795 84.4067 12.5699" width="84.4067pt" xmlns="http://www.w3.org/2000/svg" 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International Journal of Antennas and Propagation

fig7

Figure 7

Figure 7: Effects of Metamaterial Slabs Applied to Wireless Power Transfer at 13.56 MHz 