Fig. 1. The major mode normalized cutoff wavelengths in elliptical waveguides

Fig. 2. The variation law of coupling coefficient with eccentricity

Fig. 3. The variation law of coupling ability with the eccentricity

Fig. 4. Elliptical waveguide mode converter contour line

Fig. 5. Numerical simulation process of relative power of each mode of TE₀₁-TE₁₁ mode converter

Fig. 6. Elliptical waveguide TE₀₁-TEs₁₁ mode converter model diagram

Fig. 7. Elliptical waveguide TE₀₁-TEs₁₁ mode converter sweep chart

Fig. 8. Elliptical waveguide TE₀₁-TE_s11 mode converter profile electric field diagram

Fig. 9. Elliptical waveguide TE₀₁-TE₁₁ mode converter overall structure and profile electric field distribution diagram