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- Choi, EunMi
- THz Vacuum Electronics and Applied Electromagnetics Lab.
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Design Study of Two-Plane Focusing Periodically Cusped Magnets for a 300 GHz Sheet Beam Traveling-Wave Tube
- Author(s)
- Choi, Wonjin, Lee, Ingeun, Choi, EunMi, Shin, Jinwoo
- Issued Date
- 2019-04-28
- Citation
- 2019 International Vacuum Electronics Conference, IVEC 2019
- Abstract
- A sheet electron beam is an effective means to increase efficiency of traveling-wave tubes (TWTs). It is known that periodically cusped magnets (PCMs) can stably confine sheet electron beams. Also, PCMs have small volume, so the overall system can be portable. In this work, the magnetic field of PCMs are optimized for a 300 GHz sheet beam TWT. Simulations are done using Warp and CST Particle Studio. Numerical studies show that with peak magnetic field of 0.4 T and period of 3 mm, a sheet beam with size of 0.32 mm ∗ 0.06 mm can stably propagate up to 30 mm.
- Publisher
- Institute of Electrical and Electronics Engineers Inc.
- ISSN
- 0000-0000
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