An Angular Radial Extended Interaction Amplifier at the W Band Article Swipe
Yang Dong
,
Shaomeng Wang
,
Jingyu Guo
,
Zhanliang Wang
,
Huarong Gong
,
Zhigang Lu
,
Zhaoyun Duan
,
Yubin Gong
·
YOU?
·
· 2023
· Open Access
·
· DOI: https://doi.org/10.3390/s23073517
YOU?
·
· 2023
· Open Access
·
· DOI: https://doi.org/10.3390/s23073517
In this paper, an angular radial extended interaction amplifier (AREIA) that consists of a pair of angular extended interaction cavities is proposed. Both the convergence angle cavity and the divergence angle cavity, which are designed for the converging beam and diverging beam, respectively, are investigated to present the potential of the proposed AREIA. They are proposed and explored to improve the beam–wave interaction capability of W-band extended interaction klystrons (EIKs). Compared to conventional radial cavities, the angular cavities have greatly decreased the ohmic loss area and increased the characteristic impedance. Compared to the sheet beam (0°) cavity, it has been found that the convergence angle cavity has a higher effective impedance and the diverging beam has a weaker space-charge effect under the same ideal electron beam area; the advantages become more obvious as the propagation distance increases. Particle-in-cell (PIC) results have shown that the diverging beam (8°) EIA performs better at an output power of 94 GHz under the condition of lossless, while the converging beam (−2°) EIA has a higher output power of 6.24 kW under the conditions of ohmic loss, an input power of 0.5 W, and an ideal electron beam of 20.5 kV and 1.5 A. When the loss increases and the beam current decreases, the output power of the −2° EIA can be improved by nearly 30% compared to the 0° EIA, and the −2° EIA has a greatly improved beam–wave interaction capacity than conventional EIAs under those conditions. In addition, an angular radial electron gun is designed.
Related Topics
Concepts
Beam (structure)
Amplifier
Physics
Optics
Beam divergence
Beam diameter
Ohmic contact
Electrical impedance
Power (physics)
Klystron
M squared
Cathode ray
Materials science
Electron
Optoelectronics
Electrode
Laser
CMOS
Quantum mechanics
Laser beams
Metadata
- Type
- article
- Language
- en
- Landing Page
- https://doi.org/10.3390/s23073517
- https://www.mdpi.com/1424-8220/23/7/3517/pdf?version=1679968838
- OA Status
- gold
- References
- 22
- Related Works
- 10
- OpenAlex ID
- https://openalex.org/W4361212010
All OpenAlex metadata
Raw OpenAlex JSON
- OpenAlex ID
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https://openalex.org/W4361212010Canonical identifier for this work in OpenAlex
- DOI
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https://doi.org/10.3390/s23073517Digital Object Identifier
- Title
-
An Angular Radial Extended Interaction Amplifier at the W BandWork title
- Type
-
articleOpenAlex work type
- Language
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enPrimary language
- Publication year
-
2023Year of publication
- Publication date
-
2023-03-28Full publication date if available
- Authors
-
Yang Dong, Shaomeng Wang, Jingyu Guo, Zhanliang Wang, Huarong Gong, Zhigang Lu, Zhaoyun Duan, Yubin GongList of authors in order
- Landing page
-
https://doi.org/10.3390/s23073517Publisher landing page
- PDF URL
-
https://www.mdpi.com/1424-8220/23/7/3517/pdf?version=1679968838Direct link to full text PDF
- Open access
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YesWhether a free full text is available
- OA status
-
goldOpen access status per OpenAlex
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https://www.mdpi.com/1424-8220/23/7/3517/pdf?version=1679968838Direct OA link when available
- Concepts
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Beam (structure), Amplifier, Physics, Optics, Beam divergence, Beam diameter, Ohmic contact, Electrical impedance, Power (physics), Klystron, M squared, Cathode ray, Materials science, Electron, Optoelectronics, Electrode, Laser, CMOS, Quantum mechanics, Laser beamsTop concepts (fields/topics) attached by OpenAlex
- Cited by
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0Total citation count in OpenAlex
- References (count)
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22Number of works referenced by this work
- Related works (count)
-
10Other works algorithmically related by OpenAlex
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