Research for power-saving atom chips

• Project/Area Number: 19540424
• Research Category: Grant-in-Aid for Scientific Research (C)
• Allocation Type: Single-year Grants
• Section: 一般
• Research Field: 原子・分子・量子エレクトロニクス・プラズマ
• Research Institution: National Institute of Information and Communications Technology
• Principal Investigator: HYODO Masaharu National Institute of Information and Communications Technology, 未来ICT研究センターナノICTグループ, 主任研究員 (30359088)
• Project Period (FY): 2007 – 2008
• Project Status: Completed (Fiscal Year 2008)
• Budget Amount: ¥4,680,000 (Direct Cost: ¥3,600,000、Indirect Cost: ¥1,080,000); Fiscal Year 2008: ¥650,000 (Direct Cost: ¥500,000、Indirect Cost: ¥150,000); Fiscal Year 2007: ¥4,030,000 (Direct Cost: ¥3,100,000、Indirect Cost: ¥930,000)
• Keywords: ルビジウム / 磁気光学トラップ / 磁気トラップ / 原子チップ / レーザー冷却 / ルビジウム原子 / 磁場補償

Research Abstract

六重極磁場補償型電流パターン用いたミラー磁気光学捕獲装置(ミラーMOT)を開発し、ルビジウム原子を超高真空中で捕獲・冷却する実験を実施した。従来のミラーMOTで避けることができなかった磁場の歪みが改善された結果として、従来のミラーMOTよりも少ない電力で原子が効率的に捕獲されることを実証した。さらに、横方向磁場をほとんど必要としないS型磁気トラップを開発し、従来よりも少ない電力で原子チップ上に磁気トラップを構成できることを実証した。

Research Products

• [Journal Article] Efficient generation of cold atoms towards a source for atom lithography (2009)
  • Author(s): Ryuzo Ohmukai, Masaharu Hyodo, Masayoshi Watanabe, and Hitoshi Kondo
  • Journal Title: Optical Review 16-1 Pages: 11-14
  • NAID: 10025303887
  • Peer Reviewed
• [Journal Article] Efficient generation of cold atoms towards a source for atom lithography (2009)
  • Author(s): 大向隆三
  • Journal Title: Optical Review 16 Pages: 11-14
  • Peer Reviewed
• [Journal Article] Mirror magneto-optical trap exploiting hexapole-compensated magnetic field (2007)
  • Author(s): Masaharu Hyodo, Kazuyuki Nakayama, Masayoshi Watanabe, and Ryuzo Ohmukai
  • Journal Title: Phys. Rev. A 76-1
  • Peer Reviewed
• [Journal Article] Mirror magneto-optical trap exploiting hexapole-compellsated magnetic field (2007)
  • Author(s): 兵頭 政春
  • Journal Title: Physical Review A 76
  • Peer Reviewed
• [Presentation] 原子による慣性センシングの実現へむけた表面捕獲装置の開発 (2008)
  • Author(s): 兵頭政春 他3名
  • Organizer: ナノICTシンポジウム2008
  • Place of Presentation: 東京ビッグサイト
  • Year and Date: 2008-02-13
• [Presentation] 冷却原子のスピン偏極の計測と磁気トラップへの捕獲効率の最適化 (2008)
  • Author(s): 兵頭政春 他3名
  • Organizer: 日本光学会年次学術講演会(OPJ2008)
  • Place of Presentation: つくば国際会議場
• [Presentation] Experiment on mirror magneto-optical trap using hexapole-compensated magnetic field (2007)
  • Author(s): Masaharu Hyodo, et al.,
  • Organizer: International Symposium on Coherent Optical Science
  • Place of Presentation: Tokyo, Japan.
  • Year and Date: 2007-12-15
• [Presentation] Experiment on mirror magneto-optical trap using hexapole-compensated magnetic field (2007)
  • Author(s): 兵頭 政春
  • Organizer: International Symposium on Coherent Optical Science
  • Place of Presentation: 電気通信大学
  • Year and Date: 2007-12-15
• [Presentation] Characterization of Magnetic-Hexapole-Compensated Mirror Magneto-Optical Trap (2007)
  • Author(s): Masaharu Hyodo, et al.,
  • Organizer: The Conference on Lasers and Electro-Optics/Pacific Rim 2007 (CLEO/Pacific Rim 2007),
  • Place of Presentation: Seoul, Korea
  • Year and Date: 2007-08-29
• [Presentation] Characterization of Magnetic-Hexapole-Compensated Mirror Magneto-Optical Trap (2007)
  • Author(s): 兵頭 政春
  • Organizer: CLEO Pacific Rim Conference on Lasers and Electro-Optics 2007
  • Place of Presentation: 韓国ソウル市COEX
  • Year and Date: 2007-08-29
• [Patent(Industrial Property Rights)] Neutral atom trapping device (2007)
  • Inventor(s): 兵頭政春
  • Industrial Property Rights Holder: (独)情報通信研究機構
  • Filing Date: 2007-03-06
  • Overseas
• [Patent(Industrial Property Rights)] 中性原子のトラップ装置 (2006)
  • Inventor(s): 兵頭政春
  • Industrial Property Rights Holder: (独)情報通信研究機構
  • Industrial Property Number: 2006-061964
  • Filing Date: 2006-03-08