Fig. 1. The schematic of quasi-optical mode converter

Fig. 2. Disturbance amplitude change

Fig. 3. Amplitude contours of fields on the unfolded launcher wall the edges of cuts

Fig. 4. The relative power of each mode varies with the length of the radiator

Fig. 5. The schematic of phase correction mirror

Fig. 6. Solid model of the quasi-optical converter system

Fig. 7. Field distribution pattern at mirror 1

Fig. 8. Field distribution pattern at mirror 2

Fig. 9. Field distribution pattern at mirror 3

Fig. 10. Field distribution pattern at output window