Changjie He, Wei Zhang, Jinchuan Ju, Liurong Xu, Hongchang Cao. Design of compact directional coupler for X-band relativistic triaxial klystron amplifier[J]. High Power Laser and Particle Beams, 2023, 35(5): 053004
- High Power Laser and Particle Beams
- Vol. 35, Issue 5, 053004 (2023)
Fig. 1. Porous coupling model
Fig. 2. Transmission coefficient of the directional coupler with two holes
Fig. 3. Structural diagram of cross coupler
Fig. 4. Directivity of the designed coupler with different dx and dz
Fig. 5. Simulation results of cross coupler
Fig. 6. E -field distribution of the coupler with two holes
Fig. 7. Photos of double hole directional coupler
Fig. 8. Cold test system
Fig. 9. Cold chamber test results
Fig. 10. Simulation results of four hole cross coupler
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Table 1. Coupler parameter values
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