High Power Talbot Effect Based Tunable Divider of Millimeter Wave Beam

The work demonstrates the division of wave beams into 2 and 4 channels using the Talbot effect in a rectangular quasi-optical waveguide, one pair of walls of which is corrugated. The calculated mode purity in each channel is 98%. In the low power experiment, the separated wave beams have a mode purity of 95% ± 2%. In addition, successful experiments on beam division were carried out at a power of 600kW and a frequency of 140GHz in pulsed mode.