Multi-Band Metallic Waveguide with Arrayed Dielectric Rods

• Project/Area Number: 19560350
• Research Category: Grant-in-Aid for Scientific Research (C)
• Allocation Type: Single-year Grants
• Section: 一般
• Research Field: Electron device/Electronic equipment
• Research Institution: University of Hyogo
• Principal Investigator: KOKUBO Yoshihiro University of Hyogo, 大学院・工学研究科, 准教授 (80264836)
• Project Period (FY): 2007 – 2008
• Project Status: Completed (Fiscal Year 2008)
• Budget Amount: ¥4,420,000 (Direct Cost: ¥3,400,000、Indirect Cost: ¥1,020,000); Fiscal Year 2008: ¥1,950,000 (Direct Cost: ¥1,500,000、Indirect Cost: ¥450,000); Fiscal Year 2007: ¥2,470,000 (Direct Cost: ¥1,900,000、Indirect Cost: ¥570,000)
• Keywords: マイクロ波 / ミリ波 / 金属導波管 / 分波器 / 混合器 / 2周波数帯 / 誘電体円柱棒 / 周期構造 / 導波管 / 誘電体棒 / 周期配列 / 単一モード

Research Abstract

本研究は、マイクロ波・ミリ波で使用される金属導波管中に「周波数特性を持った等価的な管壁」を最適設計し、単一モードでの広帯域化を図る。具体的には、管壁として周期配列の円柱棒を置いたときの特性を計算する。2 列あるいは1 列の場合のω-k 特性を計算し、広帯域化に有効であることを示す。また、直線部ではモード変換が起きないことから、曲がり部のみに誘電体棒を配置する構造を提案した

Research Products

• [Journal Article] Rectangular TE_<30> to TE_<10> Mode Converter (2009)
  • Author(s): Y. Kokubo
  • Journal Title: IEICE Transactions on Electronics Vol.E92-C(in press)
  • NAID: 10026822982
  • Peer Reviewed
• [Journal Article] 90-Degree H-Plane Bent Waveguide Using Dielectric rods (2009)
  • Author(s): Y. Kokubo, and T. Kawai
  • Journal Title: Microwave and Optical Technology Letters (in press)
  • Peer Reviewed
• [Journal Article] 簡易TE1_<10>-TE_<20>モード変換器 (2009)
  • Author(s): 小久保吉裕
  • Journal Title: 電子情報通信学会論文誌 Vol.J92-C, No.1 Pages: 32-33
  • Peer Reviewed
• [Journal Article] 簡易TE10-TE20 モード変換器 (2009)
  • Author(s): 小久保 吉裕
  • Journal Title: 電子情報通信学会論文誌 J92-C, No. 1 Pages: 32-33
  • Peer Reviewed
• [Journal Article] Wide Band Metallic Waveguide with Asymmetric In-Line Dielectric Rods (2008)
  • Author(s): Y. Kokubo, and T. Kawai
  • Journal Title: IEICE Transactions on Electronics Vol.E91-C, No.12 Pages: 1966-1968
  • NAID: 10026820598
  • Peer Reviewed
• [Journal Article] Analysis of Propagation Loss of Metallic Photonic Crystal Waveguides (2008)
  • Author(s): Y. Kokubo
  • Journal Title: Microwave and Optical Technology Letters Vol.50, No.11 Pages: 2942-2945
  • Peer Reviewed
• [Journal Article] Wide Band Metallic Waveguide with In-Line Dielectric Rods (2008)
  • Author(s): Y.Kokubo
  • Journal Title: IEEE Microwave and Wireless Components Letters Vol.18 No.2 Pages: 79-81
  • NAID: 10019514579
  • Peer Reviewed
• [Journal Article] Analysis of Propagation Loss of Metallic Photonic Crystal Waveguides (2008)
  • Author(s): Y. Kokubo
  • Journal Title: Microwave and Optical Technology Letters 50, 11 Pages: 2942-2945
  • Peer Reviewed
• [Journal Article] Wide Band Metallic Waveguide with Asymmetrie In-Line Dielectric Rods (2008)
  • Author(s): Y. Kokubo, T. Kawai
  • Journal Title: IEICE Transactions on Electronics E91-C, No. 12 Pages: 1966-1968
  • Peer Reviewed
• [Journal Article] Wide Band Metallic Waveguide with In-Line Dielectric Rods (2008)
  • Author(s): Y.Kokubo
  • Journal Title: IEEE Microwave and Wireless Components Letters Vol.18,No.2 Pages: 79-81
  • NAID: 10019514579
  • Peer Reviewed
• [Journal Article] Economic Setup for a Dual-band Metallic Waveguide with Dual In-line Dielectric Rods (2007)
  • Author(s): Y. Kokubo, S. Yoshida, and T. Kawai
  • Journal Title: IEICE Transactions on Electronics Vol.E90-C No.12 Pages: 2261-2262
  • NAID: 110007538871
  • Peer Reviewed
• [Journal Article] 曲がり部のみに誘電体円柱を装荷した広帯域単一モード導波管 (2007)
  • Author(s): 小久保吉裕
  • Journal Title: 電子情報通信学会論文誌 Vol.J90-C No.9 Pages: 642-643
  • NAID: 110007379927
  • Peer Reviewed
• [Journal Article] 曲がり部のみに誘電体円柱を装荷した広帯域単-モード導波管 (2007)
  • Author(s): 小久保 吉裕
  • Journal Title: 電子情報通信学会論文誌 J90-C,No.9 Pages: 642-643
  • Peer Reviewed
• [Journal Article] Economic Setup for a Dual-band Metallic Waveguide with Dual In-line Dielectric Rods (2007)
  • Author(s): Y.Kokubo, S.Yoshida, T.Kawai
  • Journal Title: IEICE Transaction on Electronics E90-C,No.2 Pages: 2261-2262
  • NAID: 110007538871
  • Peer Reviewed
• [Presentation] 誘電体円柱を用いたTE10 - TE20モード変換器 (2008)
  • Author(s): 小久保 吉裕
  • Organizer: 電子情報通信学会マイクロ波研究会
  • Place of Presentation: 長崎大学(長崎県長崎市)
  • Year and Date: 2008-11-21
• [Presentation] A Frequency Multiplexer/Demultiplexer for Dual Frequency Waveguide (2008)
  • Author(s): Y. Kokubo, T. Kawai
  • Organizer: 38th European Microwave Conference (EuMC 2008)
  • Place of Presentation: アムステルダム(オラランダ)
  • Year and Date: 2008-10-28
• [Presentation] 誘電体円柱を用いたTE_<10>-TE_<20>モード変換器 (2008)
  • Author(s): 小久保吉裕
  • Organizer: 電子情報通信学会技術報告
  • Place of Presentation: 長崎大学(MW2008-139)
• [Presentation] A Frequency Multiplexer/Demultiplexer for Dual Frequency Waveguide (2008)
  • Author(s): Y. Kokubo and T. Kawai
  • Organizer: 38th European Microwave Conference (EuMC2008) Proc.
  • Place of Presentation: Amsterdam, The Netherlands
• [Presentation] Dual-Band Metallic Waveguide with Low Dielectric Constant Material (2007)
  • Author(s): Y. Kokubo, D. Maki, T. Kawai
  • Organizer: 37th European Microwave Conference
  • Place of Presentation: Munich,Germany
  • Year and Date: 2007-10-10
• [Presentation] 誘電体円柱を装荷した広帯域単-モード導波管 (2007)
  • Author(s): 小久保 吉裕
  • Organizer: 電子情報通信学会技術研究報告
  • Place of Presentation: 室蘭工業大学
  • Year and Date: 2007-08-02
• [Presentation] Dual-Band Metallic Waveguide with Low Dielectric Constant Material (2007)
  • Author(s): Y. Kokubo, D. Maki, and T. Kawai
  • Organizer: 37th European Microwave Conference (EuMC2007) Proc.
  • Place of Presentation: Munich, Germany
• [Presentation] 誘電体円柱を装荷した広帯域単一モード導波管 (2007)
  • Author(s): 小久保吉裕
  • Organizer: 電子情報通信学会技術報告
  • Place of Presentation: 室蘭工業大学(MW2007-55)