Design of a Compact Broadband 90° Waveguide Twist Based on Double-Corner-Cut Square Slots

<table class="figure-group"><tr class="fig-image" id="a"><td><object data="https://static.hindawi.com/articles/ijap/volume-2017/8657620/figures/8657620.fig.003a.svgz" name="8657620.fig.003a" type="image/svg+xml"></object></td></tr><tr class="fig-caption"><td><b>(a) </b>Cross-section of the horizontal waveguide</td></tr><tr class="fig-image" id="b"><td><object data="https://static.hindawi.com/articles/ijap/volume-2017/8657620/figures/8657620.fig.003b.svgz" name="8657620.fig.003b" type="image/svg+xml"></object></td></tr><tr class="fig-caption"><td><b>(b) </b>Cross-section of the first cladding with −45° rotating angle</td></tr><tr class="fig-image" id="c"><td><object data="https://static.hindawi.com/articles/ijap/volume-2017/8657620/figures/8657620.fig.003c.svgz" name="8657620.fig.003c" type="image/svg+xml"></object></td></tr><tr class="fig-caption"><td><b>(c) </b>Cross-section of the second cladding with 0° rotating angle</td></tr><tr class="fig-image" id="d"><td><object data="https://static.hindawi.com/articles/ijap/volume-2017/8657620/figures/8657620.fig.003d.svgz" name="8657620.fig.003d" type="image/svg+xml"></object></td></tr><tr class="fig-caption"><td><b>(d) </b>Cross-section of the third cladding with 45° rotating angle</td></tr><tr class="fig-image" id="e"><td><object data="https://static.hindawi.com/articles/ijap/volume-2017/8657620/figures/8657620.fig.003e.svgz" name="8657620.fig.003e" type="image/svg+xml"></object></td></tr><tr class="fig-caption"><td><b>(e) </b>Cross-section of the vertical waveguide</td></tr></table>

<div>The electrical field pattern of the infinite double-corner-cut waveguide (mode TE<sub>1<i>m</i></sub>).</div>

International Journal of Antennas and Propagation

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Figure 3

Figure 3: Design of a Compact Broadband 90° Waveguide Twist Based on Double-Corner-Cut Square Slots 