Ferroelectric phase shifter for high-power microwave application

The ferroelectric phase shifter is studied for high-power microwave in order to expand beam scanning range. The operating principle of the ferroelectric-lens phase-scanning antenna is briefly introduced and several problems are discussed for high-power microwave application. The high-power microwave propagation in ferroelectrics is analyzed by means of finite difference time domain. In the end, the conclusion about the feasibility of ferroelectric phase shifter applying for high-power microwave is given. The results show that a phase shift of 180 can be achieved in this phase shifter with a length of 10 cm and the transmission efficiency is above 90% without dielectric loss at L wave band.