A study of high dynamic range optics with nulling interferometer and adaptive optics

2008 Fiscal Year Final Research Report

• Project/Area Number: 19360036
• Research Category: Grant-in-Aid for Scientific Research (B)
• Allocation Type: Single-year Grants
• Section: 一般
• Research Field: Applied optics/Quantum optical engineering
• Research Institution: National Astronomical Observatory of Japan
• Principal Investigator: NISHIKAWA Jun National Astronomical Observatory of Japan, 光赤外研究部, 助教授 (70280568)
• Co-Investigator(Kenkyū-buntansha): KUROKAWA Takashi 東京農工大学, 大学院共生科学技術本部, 教授 (40302913) ; TAKEDA Mitsuo 電気通信大学, 電気通信学部, 教授 (00114926) ; TAMURA Motohide 国立天文台, 光赤外研究部, 准教授 (00260018) ; MURAKAMI Naoshi 国立天文台, 光赤外研究部, 日本学術振興会特別研究員(PD) (80450188)
• Co-Investigator(Renkei-kenkyūsha): KUROKAWA Takashi 東京農工大学, 大学院共生科学技術本部, 教授 (40302913) ; TAKEDA Mitsuo 電気通信大学, 電気通信学部, 教授 (00114926) ; TAMURA Motohide 国立天文台, 光赤外研究部, 准教授 (00260018)
• Project Period (FY): 2007 – 2008
• Keywords: 光計測 / 惑星探査

Research Abstract

太陽系以外の惑星を直接検出する高ダイナミックレンジ光学系として、波面誤差補正によるスペックルノイズ除去と惑星よりきわめて強い恒星の回折光の除去を交互に2回ずつ行う、初段補償光学、非対称ナル干渉計、位相振幅補正補償光学、コロナグラフ、からなる4 段階複合法を研究した。非対称ナル干渉計の波面誤差拡大効果で実質的に補償光学の限界を超えた波面精度を達成し、コロナグラフで広帯域の回折光の除去などを実証した。

Research Products

• [Journal Article] 2009、地球型系外惑星の直接観測に向けた技術開発の躍進 (2009)
  • Author(s): 村上尚史,西川淳,横地界斗
  • Journal Title: 天文月報 102 Pages: 195-200
• [Journal Article] Precise Wavefront Correction with an Unbalanced Nulling Interferometer for Exo-Planet Imaging Coronagraphs (2008)
  • Author(s): Nishikawa, J., Abe, L., Murakami, N., Kotani, T.
  • Journal Title: Astron. & Astrophys. 489 Pages: 1389-1398
  • Peer Reviewed
• [Journal Article] Virtual wavefront compensation and speckle reduction in coronagraph by unbalanced nulling interferometer (UNI) and phase and amplitude correction (PAC) (2008)
  • Author(s): Nishikawa, J., Yokochi, K., Abe, L., Murakami, N., Kotani, T., Tamura, M., Kurokawa, T., Tavrov, A. V., Takeda, M.
  • Journal Title: Proc. SPIE 7010,70102A-1-70102A-5
  • Peer Reviewed
• [Journal Article] An Eight-Octant Phase-Mask Coronagraph (2008)
  • Author(s): Murakami, N., Uemura, R.. Baba, N., Nishikawa, J., Tamura, M., Hashimoto, N., Abe, L.
  • Journal Title: Publ. Astron. Soc. Pacific 120 Pages: 1112-1118
  • Peer Reviewed
• [Journal Article] Four-Quadrant Phase Mask Coronagraph with Jacquinot-Lyot Stop (2008)
  • Author(s): Murakami, N., Uemura, R.. Sato, Y., Baba, N., Nishikawa, J., Tamura, M.
  • Journal Title: Astrophys. J. 677 Pages: 1425-1432
  • Peer Reviewed
• [Journal Article] Achromatic interfero-coronagraph with two common-path interferometers in tandem (2008)
  • Author(s): Tavrov, A., Nishikawa, J., Tamura, M., Abe, L., Yokochi, K., Kurokawa, T., Takeda, M.
  • Journal Title: Applied optics 47 Pages: 4915-4926
  • Peer Reviewed
• [Journal Article] 太陽系以外の惑星を検出するナル干渉計 (2008)
  • Author(s): 西川淳
  • Journal Title: 光学 37巻 10号 Pages: 595-599
• [Journal Article] Laboratory experiments on the 8-octant phase-mask coronagraph, (2008)
  • Author(s): Murakami, N., Uemura, R.. Baba, N., Shibuya, H., Nishikawa, J., Abe, L., Tamura, M., Hashimoto, N.
  • Journal Title: Proc. Of SPIE 7010, 70101J-1-8
  • Peer Reviewed
• [Journal Article] Common-path spectropolarimetric differential imager using variable channeled spectrum (2007)
  • Author(s): Murakami, N., Abe, L., Tamura, M., Baba, N.
  • Journal Title: Astrophys. J. 661 Pages: 634
  • Peer Reviewed
• [Journal Article] 2007, Common-path achromatic interferometer- coronagraph: images from a breadboard demonstrator (2007)
  • Author(s): Tavrov, A., Nishikawa, J., Tamura, M., Abe, L., Yokochi, K., Kurokawa, T., Takeda, M.
  • Journal Title: Applied Optics 46 Pages: 6885-6895
  • Peer Reviewed
• [Journal Article] 2007, Polarization degree analysis of objective spectrum in polarization differential stellar coronagraph (2007)
  • Author(s): Zubko, N., Baba, N., Morisaki, S., Murakami, N.
  • Journal Title: Optics Express 15 Pages: 12189
  • Peer Reviewed
• [Presentation] Coronagraph methods on precise wavefront compensation (UNI-PAC) and deep achromatic nulling (2009)
  • Author(s): Nishikawa, J., Yokochi, K., Murakami, N., Abe, L., Kotani, T., Tamura, M., Kurokawa, T., Tavrov, A. V., Takeda, M.
  • Organizer: The 2nd Subaru International Conference, Exoplanets and Disks: Their Formation and Diversity
  • Place of Presentation: Kona, USA
  • Year and Date: 2009-03-12
• [Presentation] Development of 4th-Order Nulling Coronagraphs for Partially Resolved Stars (2009)
  • Author(s): Murakami, N., Yokochi, K., Nishikawa, J., Tamura, M., Baba, N., Uemura, R., Hashimoto, N., Abe, L., Tavrov, A. V., Kurokawa, T., Takeda, M.
  • Organizer: The 2nd Subaru International Conference, Exoplanets and Disks: Their Formation and Diversity
  • Place of Presentation: Kona, USA
  • Year and Date: 2009-03-12
• [Presentation] 太陽系外惑星直接撮像のための8 分割位相マスクコロナグラフの開発 (2009)
  • Author(s): 村上尚史、植村亮介、馬場直志、西川淳、田村元秀、橋本信幸、Lyu ABE
  • Organizer: 第9回宇宙科学シンポジウム
  • Place of Presentation: JAXA、相模原市
  • Year and Date: 2009-01-05
• [Presentation] TPF のための高精度波面補正法と立体Sagnac Null 干渉型コロナグラフ (2009)
  • Author(s): 横地界斗、黒川隆志、西川淳、村上尚史、田村元秀、武田光夫、Lyu ABE、小谷隆行、Alexander TAVROV
  • Organizer: 第9 回宇宙科学シンポジウム
  • Place of Presentation: JAXA、相模原市
  • Year and Date: 2009-01-05
• [Presentation] 太陽系外の地球型惑星の直接観測ミッションの動向 (2008) (2008)
  • Author(s): 村上尚史、西川淳、田村元秀、芝井広
  • Organizer: 第52 回宇宙科学技術連合講演会
  • Place of Presentation: 淡路夢舞台国際会議場、兵庫県
  • Year and Date: 2008-11-07
• [Presentation] 系外惑星直接観測のための非対称ナル干渉計と補償光学による高ダイナミックレンジ光学システム (2008)
  • Author(s): 横地界斗、西川淳、村上尚史、Lyu ABE、小谷隆行、田村元秀、Alexander TAVROV、武田光夫、黒川隆志
  • Organizer: 日本光学会年次学術講演会
  • Place of Presentation: つくば国際会議場、茨城県
  • Year and Date: 2008-11-05
• [Presentation] 非対称ナル干渉と補償光学を融合した系外惑星直接検出のための超高コントラスト撮像法(3) (2008)
  • Author(s): 西川淳、村上尚史、田村元秀、横地界斗、黒川隆志、Lyu ABE、小谷隆行、AlexanderTAVROV、武田光夫
  • Organizer: 日本天文学会2008 年秋季年会
  • Place of Presentation: 岡山理科大学
  • Year and Date: 2008-09-13
• [Presentation] 偏光ナル干渉ビームコンバイナを用いたコロナグラフの開発 (2008)
  • Author(s): 村上尚史、西川淳、田村元秀、横地界斗、黒川隆志、武田光夫、馬場直志、吉澤正則
  • Organizer: 日本天文学会2008 年秋季年会
  • Place of Presentation: 岡山理科大学
  • Year and Date: 2008-09-13
• [Presentation] Achromatic characteristics in 3-D Sagnac interferometer based on geometric phase shift (2008)
  • Author(s): Yokochi, K., Tavrov, A. V., Nishikawa, J., Abe, L., Tamura, M., Takeda, M., Kurokawa, T.
  • Organizer: Conference on Lasers and Electro-Optics (CLEO)
  • Place of Presentation: San Jose, USA
  • Year and Date: 2008-05-05
• [Presentation] 8分割位相マスクコロナグラフの開発 (2008)
  • Author(s): 村上尚史,植村亮介,馬場直志,澁谷宙,西川淳,Lyu ABE,田村元秀,橋本信幸
  • Organizer: 日本天文学会2008 年春季年会
  • Place of Presentation: 国立オリンピック記念青少年総合センター、東京
  • Year and Date: 2008-03-25
• [Presentation] Geometric phase modulator for IR nulling interferometer (2007)
  • Author(s): Baba, N., Furuta, H., Murakami, N.
  • Organizer: Advanced Infrared Technology and Applications 9
  • Place of Presentation: Leon, Spain
  • Year and Date: 20071007-12
• [Presentation] 幾何学的位相によるナル干渉計の波長無依存性 (2007)
  • Author(s): 横地界斗,Alexander TAVROV,西川淳,Lyu ABE,田村元秀,武田光夫,黒川隆志
  • Organizer: Optics and Photonics Japan 2007
  • Place of Presentation: 大阪大学
  • Year and Date: 2007-11-26
• [Presentation] 非対称ナル干渉と補償光学を融合した系外惑星直接検出のための超高コントラスト撮像法(2) (2007)
  • Author(s): 西川淳,Lyu ABE,村上尚史,Alexander TAVROV,田村元秀,MIRA プロジェクト,系外惑星探査プロジェクト,小谷隆行,横地界斗,黒川隆志,武田光夫
  • Organizer: 日本天文学会2007 年秋季年会
  • Place of Presentation: 岐阜大学
  • Year and Date: 2007-09-27
• [Presentation] 系外惑星直接撮像のためのナル干渉型コロナグラフとジャキノ開口の組み合わせ (2007)
  • Author(s): 村上尚史,植村亮介,馬場直志,佐藤陽一郎,西川淳,田村元秀
  • Organizer: 2007 年秋季 第68回応用物理学会学術講演会
  • Place of Presentation: 北海道工業大学、札幌市
  • Year and Date: 2007-09-04
• [Presentation] Precise wavefront correction with unbalanced nulling interferometer for direct detection of exo-planet (2007)
  • Author(s): Yokochi, K., Nishikawa, J., Murakami, N., Abe, L., Kotani, T., Tamura, M., Kurokawa, T., Tavrov, A., Takeda, M.
  • Organizer: The 7th Pacific Rim Conference on Lasers and Electro- Optics
  • Place of Presentation: Seoul, Korea
  • Year and Date: 2007-08-26
• [Presentation] Low speckle noise coronagraph with UNI+PAC (2007)
  • Author(s): Kotani, T., Nishikawa, J., Yokochi, K., Murakami, N., Abe, L., Tamura, M., Kurokawa, T., Tavrov, A., Takeda, M.
  • Organizer: Spirit of Bernard Lyot: The Direct Detection of Planets and Circumstellar Disks in the 21st Century
  • Place of Presentation: University of California, Berkeley, CA, USA
  • Year and Date: 2007-06-04
• [Presentation] High contrast imaging activities in Japan (2007)
  • Author(s): Abe, L., Tamura, M., Nishikawa, J., Murakami, N., Enya, K., Tanaka, S., Nakagawa, T., Kataza, H
  • Organizer: Navigator Program Forum - 2007
  • Place of Presentation: Pasadena, USA
  • Year and Date: 2007-05-17