Research field (2)：
Optical engineering and photonics
, Applied plasma science
Research keywords (7)：
テラヘルツ波源
, spoof plasmon
, 金属周期構造
, 表面波発振器
, electron beam
, モード制御
, スミス・パーセル放射
Research theme for competitive and other funds (4)：
2024 - 2027 Generation of high-power terahertz vector beam based on excitation of spoof surface plasmon
2022 - 2024 Mode control of intense terahertz wave source based on angular momentum carried by spoof plasmon
2020 - 2022 High-efficient generation of high-power terahertz wave by controlling multimode spoof-plasmon
2014 - 発光現象を利用したマイクロ波可視化の研究
Papers (28)：
Yuta Annaka, Akira Sugawara, Yuma Kokubo, Aoi Takebuchi, Kazuto Funaki, Rei Matsuzaki, Touta Iguchi. Analysis of multimode radiation from 0.4-THz backward wave oscillator. Japanese Journal of Applied Physics. 2024
Yuta Annaka, Kazuo Ogura. Influence of Field Profile of Surface Wave on Terahertz Backward-Wave Oscillator. IEEE Transactions on Electron Devices. 2023. 70. 8. 4450-4455
Yuta Annaka, Kazuo Ogura, Masaya Ito. Absolute and global instabilities driven by Cherenkov interaction between magnetized electron beam and spoof surface plasmon polaritons. Physics of Plasmas. 2023. 30. 4. 043103-043103
Kazuo Ogura, Yuta Annaka, Shin Kubo, Toru Tsujimura. Plasmonic Cavity Formation by Circular and Spiral Corrugations. Plasma and Fusion Research. 2023. 18. 1406007-1406007
Yuta Annaka, Kazuo Ogura, Masaya Ito. Dispersion relation of spoof surface plasmon resonant mode on concentric annular metal corrugation. AIP Advances. 2022. 12. 11. 115005-115005
Selective excitation of spoof plasmon combining corrugated disk with corrugated waveguide
(The 13th Asia-Pacific Conference on Near-Field Optics 2022)
Effect of Oversized Factor on Multimode Radiation in 0.1-THz Surface-Wave Oscillator
(International Toki Conference 30 2021)
Excitation of 0.1-THz Overmoded Spoof Plamons with Electron Beam
(2021)
Intense Terahertz-Wave Generation Based on Excitation of Surface Wave Using Electron Beam
(The 11th Asia-Pacific International Symposium on the Basics and Applications of Plasma Technology (APSPT-11) 2019)
Experimental Study of Surface-Wave Oscillator with Different Electron Beam Form
(XXXIV ICPIG & ICRP-10 2019)
