Development of computer-generated holograms for topological optical wavefront generation

• Project/Area Number: 19560032
• Research Category: Grant-in-Aid for Scientific Research (C)
• Allocation Type: Single-year Grants
• Section: 一般
• Research Field: Applied optics/Quantum optical engineering
• Research Institution: Saitama University
• Principal Investigator: YOSHIKAWA Nobukazu Saitama University, 大学院・理工学研究科, 准教授 (00282335)
• Project Period (FY): 2007 – 2008
• Project Status: Completed (Fiscal Year 2008)
• Budget Amount: ¥3,250,000 (Direct Cost: ¥2,500,000、Indirect Cost: ¥750,000); Fiscal Year 2008: ¥780,000 (Direct Cost: ¥600,000、Indirect Cost: ¥180,000); Fiscal Year 2007: ¥2,470,000 (Direct Cost: ¥1,900,000、Indirect Cost: ¥570,000)
• Keywords: トポロジカル光波 / 計算機ホログラム / 光渦 / 位相制御 / 自己組織化 / スペックルノイズ / 最適化

Research Abstract

再生像の位相に対して相互作用の概念を導入することにより自己組織化機構に基づいたCGH設計法を開発した。任意パターンに対しても位相の連続性を実現し、スペックルノイズの完全な除去に成功した。空間光変調器を用いて収差補正された位相型CGH を実現し、再生像のノイズが十分に抑制されることを示した。

Research Products

• [Journal Article] Indirect synthesis of interference terms in digital holography (2009)
  • Author(s): Nobukazu Yoshikawa, and Sinya Ogami
  • Journal Title: Optics Letters Vol.34 Pages: 7375-7377
  • Peer Reviewed
• [Journal Article] Indirect synthesis of interference terms in digital holography (2009)
  • Author(s): Nobukazu Yoshikawa and Shinya Ogami
  • Journal Title: Optics Letters 34,1 Pages: 7375-7377
  • Peer Reviewed
• [Journal Article] Three-Dimensional Object Recognition using Multiplex Complex Amplitude with Support Function (2007)
  • Author(s): N.Yoshikawa and Y.Ii
  • Journal Title: Intenational Journal of Innovative Computing, Infbrmation and Control 3,6(A) Pages: 1389-1398
  • Peer Reviewed
• [Presentation] 月岡万早人, 仮想的な位相の相互作用を用いた計算機ホログラム設計法 (2009)
  • Author(s): 吉川宣一
  • Organizer: 第56回応用物理学関係連合講演会p-ZX-3
  • Place of Presentation: 筑波大学
  • Year and Date: 2009-03-31
• [Presentation] Three-dimensional shape measurement using optimum synthesized CoIor grating (2008)
  • Author(s): Nobukazu Yoshikawa, Mitsuhiro Kimura and Syogo Yamazaki
  • Organizer: International Topical Meeting on Information Photonics 2008
  • Place of Presentation: Awaji Yumebutai International Conference Center, Hyogo, Japan
  • Year and Date: 2008-11-17
• [Presentation] デジタルホログラフィにおける干渉成分の間接的な合成 (2008)
  • Author(s): 尾上真哉,吉川宣一
  • Organizer: Optics and Photonics Japan 2008
  • Place of Presentation: つくば国際会議場
  • Year and Date: 2008-11-05
• [Presentation] Indirect interference term generation in digital holography (2008)
  • Author(s): Nobukazu Yoshikawa, and Shinya Ogami
  • Organizer: International Commission for Optics ICO 21, 2008 Congress, Book of Proceedings
  • Place of Presentation: Sydney convention & Exhibition centre, Sydney, Australia
  • Year and Date: 2008-07-09
• [Presentation] Indirect interference term generation in digital holography (2008)
  • Author(s): Nobukazu Yoshikawa and Shinya Ogami
  • Organizer: International Comihission for Optics ICO 21
  • Place of Presentation: Sydney, Australia
  • Year and Date: 2008-07-09
• [Presentation] デジタルホログラフィにおける干渉成分の波面変換 (2008)
  • Author(s): 尾上 真哉, 吉川 宣一
  • Organizer: 日本光学会 情報フォトニクス研究会
  • Place of Presentation: 東京工業大学
  • Year and Date: 2008-03-05
• [Presentation] 決定論的位相アンラッピングにおける並列処理の導入 (2007)
  • Author(s): 山崎 翔吾, 吉川 宣一
  • Organizer: 日本光学会Optics and Photonics Japan 2007
  • Place of Presentation: 大阪大学
  • Year and Date: 2007-11-26
• [Presentation] Depth detection of target object using parallax information produced by digital holography (2007)
  • Author(s): Nobukazu Yoshikawa, and Yuichi Sugawara
  • Organizer: Proc. of the Second International Conference on Innovative Computing, Information and Control, Kumamoto, Japan
  • Place of Presentation: Kumamoto City International Center, Kumamoto, Japan
  • Year and Date: 2007-09-06
• [Presentation] Depth Detection of Target Object Using Parallax Information Produced by Digital Holography (2007)
  • Author(s): N. Yoshikawa and Y. Sugawara
  • Organizer: Proc.of the Second International Conference on Innovative Computing, Infommation and Control
  • Place of Presentation: Kumamoto City International Center
  • Year and Date: 2007-09-06