Paper |
Title |
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WEPSB02 |
Features of the Formation of an Electron Beam in a Linear Accelerator on Parallel-Coupled Structure |
279 |
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- Y.D. Chernousov
ICKC, Novosibirsk, Russia
- I.M. Ikryanov, I.V. Shebolaev
ICKC SB RAS, Novosibirsk, Russia
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The highest possible, close to 100%, rate of electron capture into acceleration mode has been achieved in an electron linear accelerator based on a parallel-coupled accelerating structure (PCS). High capture rate has been achieved by using an electron gun with high-frequency beam current control, entrance PCS resonators focusing the beam, and in-built into the PCS magnetic periodic focusing system of the solenoidal type based on permanent magnets (MPFS). This study investigates beam dynamics in the developed gun and PCS. The electron gun forms a cylindrical weakly-converging beam in the first resonator of the PCS as a sequence of short pulses with the accelerating frequency, the first and following resonators of the PCS focus, group and accelerate the beam and MPFS focuses and transports electrons to the PCS exit.
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DOI • |
reference for this paper
※ https://doi.org/10.18429/JACoW-RUPAC2018-WEPSB02
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WEPSB52 |
Amplitude-Phase Characteristics of a Thin Diaphragm in a Rectangular Waveguide |
385 |
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- Y.D. Chernousov
ICKC, Novosibirsk, Russia
- S.E. Erokhin
NSU, Novosibirsk, Russia
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In this study the model of a thin diaphragm in a rectangular waveguide is used to derive equations linking together the diaphragm's amplitude-phase characteristics. Additionally, an expression is obtained for the location of the closest to the diaphragm main reference plane on which the reflection coefficient is a real negative number, allowing us to determine amplitude-phase characteristics of the diaphragm. The model is confirmed experimentally. The study also shows that the main reference plane is located to the right of the diaphragm. Through adjustment of the location of the main reference plane characteristics of a thing diaphragm in a rectangular waveguide can be fully described.
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DOI • |
reference for this paper
※ https://doi.org/10.18429/JACoW-RUPAC2018-WEPSB52
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Export • |
reference for this paper using
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※ LaTeX,
※ Text/Word,
※ RIS,
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