Fig. 1. Geometric structure of V-band coaxial TTO with TM₀₃ mode

Fig. 2. Geometric structure of slow wave structure

Fig. 3. Dispersion cure of slow wave structure

Fig. 4. Group velocity of slow wave structure

Fig. 5. Coupling impedance

Fig. 6. Output microwave power

Fig. 7. Frequency spectrum

Fig. 8. Maximum electric field of surface with TM₀₃ mode

Fig. 9. Maximum electric field of surface with TM₀₂ mode

Fig. 10. Volt-ampere characteristic curve

Fig. 11. Dependence of output power on voltage, magnetic field and distance between anode and diode