Highly efficient and high energy mid-infrared laser generation using Mg-doped LiTaO3

• Project/Area Number: 19760038
• Research Category: Grant-in-Aid for Young Scientists (B)
• Allocation Type: Single-year Grants
• Research Field: Applied optics/Quantum optical engineering
• Research Institution: Institute for Molecular Science
• Principal Investigator: ISHIZUKI Hideki Institute for Molecular Science, 分子制御レーザー開発研究センター, 助教 (90390674)
• Project Period (FY): 2007 – 2008
• Project Status: Completed (Fiscal Year 2008)
• Budget Amount: ¥3,720,000 (Direct Cost: ¥3,300,000、Indirect Cost: ¥420,000); Fiscal Year 2008: ¥1,820,000 (Direct Cost: ¥1,400,000、Indirect Cost: ¥420,000); Fiscal Year 2007: ¥1,900,000 (Direct Cost: ¥1,900,000)
• Keywords: 擬似位相整合 / 周期分極反転 / タンタル酸リチウム / ニオブ酸リチウム / 波長変換 / 中赤外光 / タンタリ酸リチウム

Research Abstract

多様な中赤外波長域レーザー実現のための波長変換技術に適した新たな非線形光学材料である、マグネシウム添加コングルエント組成タンタル酸リチウム(Mg:LiTaO3)結晶について、透過特性、熱伝導特性、反転抗電界特性などの基礎評価と、これを用いた高出力波長変換に適した最大5mm厚までの周期分極反転構造を実現したほか、初めての光パラメトリック発振実験を行い、この結晶の有用性を確認した。

Research Products

• [Journal Article] Mg-doped congruent LiTaO3 crystal for large-aperture quasi-phase matching device (2008)
  • Author(s): Hideki Ishizuki, Takunori Taira
  • Journal Title: Optics Express vol.16, no.21 Pages: 16963-16970
  • Peer Reviewed
• [Journal Article] Mg-doped congruent LiTaO_3 crystal for large-aperture quasi-phase matching device (2008)
  • Author(s): 石月秀貴
  • Journal Title: Optics Express 16 Pages: 16963-16970
  • Peer Reviewed
• [Presentation] Mg-Doped Congruent LiTaO3 Crystal for Large-Aperture Quasi-Phase Matching Device (2008)
  • Author(s): Hideki Ishizuki, Takunori Taira
  • Organizer: Conf on Lasers and Electro-Optrcs(CLE2008)
  • Place of Presentation: 米国カリフォルニア州
  • Year and Date: 2008-05-07
• [Presentation] Mg-Doped Congruent LiTaO_3 Crystal for Large-Aperture Quasi-Phase Matching Device (2008)
  • Author(s): 石月秀貴
  • Organizer: Conference on Lasers and Electro-Optics (CLEO) 2008
  • Place of Presentation: 米国カリフォルニア州
  • Year and Date: 2008-05-07
• [Presentation] Mg添加コングルエントLiTaO3結晶の特性評価(2) (2007)
  • Author(s): 石月秀貴, 平等拓範
  • Organizer: 平成19年秋季応用物理学会講演会
  • Place of Presentation: 北海道札幌市
  • Year and Date: 2007-09-05
• [Presentation] Mg添加コングルエントLiTaO_3結晶の特性評価(2) (2007)
  • Author(s): 石月 秀貴
  • Organizer: 第68回応用物理学会学術講演会
  • Place of Presentation: 北海道札幌市
  • Year and Date: 2007-09-05
• [Presentation] Study on the field-poling dynamics in Mg-doped LiNbO3 and LiTaO3 (2007)
  • Author(s): Hideki Ishizuki, Takunori Taira
  • Organizer: Nonlinear Optics 2007(NLO2007)
  • Place of Presentation: 米国ハウイ州
  • Year and Date: 2007-08-01
• [Presentation] Study on the field-poling dynamics in Mg-doped LiNbO_3 and LiTaO_3 (2007)
  • Author(s): 石月 秀貴
  • Organizer: Nonlinear Optics 2007(NLO2007)
  • Place of Presentation: 米国ハワイ州
  • Year and Date: 2007-08-01