Development of real time measurement system of stable isotopes using an infrared diode laser

• Project/Area Number: 19710011
• Research Category: Grant-in-Aid for Young Scientists (B)
• Allocation Type: Single-year Grants
• Research Field: Environmental dynamic analysis
• Research Institution: Nagoya University
• Principal Investigator: NAKAYAMA Tomoki Nagoya University, 太陽地球環境研究所, 助教 (40377784)
• Project Period (FY): 2007 – 2008
• Project Status: Completed (Fiscal Year 2008)
• Budget Amount: ¥3,090,000 (Direct Cost: ¥2,700,000、Indirect Cost: ¥390,000); Fiscal Year 2008: ¥1,690,000 (Direct Cost: ¥1,300,000、Indirect Cost: ¥390,000); Fiscal Year 2007: ¥1,400,000 (Direct Cost: ¥1,400,000)
• Keywords: 環境計測 / 地球温暖化 / 温室効果気体 / 安定同位体 / 一酸化ニ窒素 / レーザー分光 / キャビリティリングダウン法 / 一酸化二窒素 / キャビティリングダウン法 / 圧力広がり / 分光定数

Research Abstract

連続光キャビティリングダウン法を一酸化二窒素(N_2O)のアイソトポマー(同位体分子種)計測に初めて応用した。開発した装置を用いて、N_2Oアイソトポマーの吸収スペクトルを様々な条件下で測定し、1.5μm領域における振動回転線の圧力広がり係数、分光パラメータ、および積分吸収断面積を決定した。また、得られた分光データを用いることにより、アイソトポマーの存在比を20分程度の時間分解能でリアルタイム計測することに成功した。

Research Products

• [Journal Article] Stabilization of the mass absorption cross section of black carbon for filter-based absorption photometry by the use of a heated inlet (2009)
  • Author(s): Y. Kondo, T. Nakayama他(13名中9番目)
  • Journal Title: Aerosol. Sci. Technol. 43 Pages: 741-756
  • Peer Reviewed
• [Journal Article] Optical properties and chemical compositions of iodine-containing aerosols produced from the atmospheric photolysis of methylene iodide in the presence of ozone (2009)
  • Author(s): Y. Sakarnoto, T. Nakayaina, 他3人
  • Journal Title: Bull. Chem. Soc. Jpn. (印刷中)
  • Peer Reviewed
• [Journal Article] Stabilization of the mass absorption cross section of black carbon for filter-based absorption photometry by the use of a heated inlet (2009)
  • Author(s): Y. Kondo, T. Nakayama, 他11人
  • Journal Title: Aerosol Sci. Technol 43 Pages: 741-756
  • Peer Reviewed
• [Journal Article] Thermal decomposition rate of N2O5 measured by cavity ring-down spectroscopy (2008)
  • Author(s): T. Ide, T. Nakayama他(4名中2番目)
  • Journal Title: Int. J. Chem. Kinet. 40 Pages: 679-684
  • Peer Reviewed
• [Journal Article] Approach to thermal equilibrium in atomic collisions (2008)
  • Author(s): P. Zhang, T. Nakayama他(6名中5番目)
  • Journal Title: Phys. Rev. Lett. 100 Pages: 103001-103001
  • Peer Reviewed
• [Journal Article] Nighttime measurement of ambient N_2O_5, NO_2, NO, and O_3 in a sub-urban area, Toyokawa, Japan (2008)
  • Author(s): T. Nakayama, Y. Matsumi他(6名中1番目)
  • Journal Title: Atmos. Environ. 42 Pages: 1995-2006
  • Peer Reviewed
• [Journal Article] Kinetics and mechanism of the reaction of chlorine atoms with n-pentanal (2008)
  • Author(s): E. Iwasaki, T. Nakayama他(7名中2番目)
  • Journal Title: J. Phys.Chem. A 112 Pages: 1741-1746
  • Peer Reviewed
• [Journal Article] Thermal decomposition rate of N_2O_5 measured by cavity ring-down spectroscopy (2008)
  • Author(s): T. Ide, T. Nakayama, 他2人
  • Journal Title: Int. J. Chem. Kinet. 40 Pages: 679-684
  • Peer Reviewed
• [Journal Article] Kinetics and mechanism of the reaction of chlorine atoms with n-pentanal (2008)
  • Author(s): E. Iwasaki, T. Nakayama, 他5名
  • Journal Title: J. Phys. Chem. A 112 Pages: 1741-1746
  • Peer Reviewed
• [Journal Article] Nighttime measurement of ambient N_2O_5, NO_2, NO, and O_3 in asub-urban area, Toyokawa, Japan (2008)
  • Author(s): T. Nakayama, 他5名
  • Journal Title: Atmos. Environ. 42 Pages: 1995-2006
  • Peer Reviewed
• [Journal Article] Approach to thermal equilibrium in atomic collisions (2008)
  • Author(s): R Zhang, T. Nakayaiaa, 他4名
  • Journal Title: Phys. Rev. Lett. 100 Pages: 103001-103001
  • Peer Reviewed
• [Journal Article] Buffer-gas pressure broadening for the (0 0^0 3) - (0 0^0 0) band of N_2O measured with continuous-wave cavity ring-down spectroscopy (2007)
  • Author(s): T. Nakayama, M. Kawasaki他(8名中1番目)
  • Journal Title: Chem. Phys. 334 Pages: 196-203
  • Peer Reviewed
• [Journal Article] Measurements of the 3ν_3 band of ^<14>N^<15>N^<16>O and ^<15>N^<14>N^<16>O using continuous-wave cavity ring-down spectroscopy (2007)
  • Author(s): T. Nakayama, M. Kawasaki他(7名中1番目)
  • Journal Title: Appl. Phys. B 88 Pages: 137-140
  • Peer Reviewed
• [Journal Article] Effective interaction energy of water dimer at room temperature : An experimental and theoretical study (2007)
  • Author(s): T. Nakayama, M. Kawasaki他(10名中1番目)
  • Journal Title: J. Chem. Phys. 127 Pages: 134302-134302
  • Peer Reviewed
• [Journal Article] A fiber-optic ring-down spectroscopy using a tunable picosecond gain-switched diode laser (2007)
  • Author(s): M. Andachi, T. Nakayama他(5名中2番目)
  • Journal Title: Appl. Phys. B 88 Pages: 131-135
  • Peer Reviewed
• [Journal Article] A gas-phase kinetic study of the reaction between bromine monoxide and methylperoxy radicals at atmospheric temperatures (2007)
  • Author(s): S. Enami, T. Nakayama他(6名中3番目)
  • Journal Title: J. Phys. Chem. A 111 Pages: 3342-3348
  • Peer Reviewed
• [Journal Article] Vacuum ultraviolet laser-induced fluorescence kinetic study of the reactions of Cl atoms with fluoroalkenes (C_xF_<2x+1>CH=CH_2, x=1,2,4,6, and8) at low pressures (2007)
  • Author(s): K. Takahashi, T. Nakayama他(5名中3番目)
  • Journal Title: Int. J. Chem. Kinet. 39 Pages: 328-332
  • Peer Reviewed
• [Journal Article] Atmospheric chemistry of CF_3CH=CH_2 and C_4F_9CH=CH_2 : Products of the gas-phase, reactions with Cl atoms and OH radicals (2007)
  • Author(s): T. Nakayama, Y. Matsumi, T. J. Wallington他(9名中1番目)
  • Journal Title: J. Phys. Chem. A 111 Pages: 909-915
  • Peer Reviewed
• [Journal Article] Buffer-gas pressure broadening for the (00^0 3)-(00^0 0) band of N_2O measured with continuous-wave cavity ring-down spectroscopy (2007)
  • Author(s): T. Nakayama, 他7名
  • Journal Title: Chem. Phys. 334 Pages: 196-203
  • Peer Reviewed
• [Journal Article] Measurements of the 3v_3 band of ^<14>N^<15>N^<16>O and ^<15>N^<14>N^<16>O using continuous-wave cavity ring-down spectroscopy (2007)
  • Author(s): T. Nakayama, 他6名
  • Journal Title: Appl. Phys. B 88 Pages: 137-140
  • Peer Reviewed
• [Journal Article] Atmospheric chemistry of CF_3CH=CH_2 and C_4F_9CH=CH_2: Products of the gas-phase, reactions with Cl atoms and OH radicals (2007)
  • Author(s): T. Nakayama, 他9名
  • Journal Title: J. Phys. Chem. A 111 Pages: 909-915
  • Peer Reviewed
• [Journal Article] Vacuum ultraviolet laser-induced fluorescence kinetic study of the reactions of C1 atoms with fluoroalkenes (C_xF_<2x+1>CH=CH_2,x=1,2.4,6, and 8) at low pressures (2007)
  • Author(s): K. Takahashi, T. Nakayama, 他3名
  • Journal Title: Int. J. Chem. Kinet. 39 Pages: 328-332
  • Peer Reviewed
• [Journal Article] A gas-phase kinetic study of the reaction between bromine monoxide and methylperoxy radicals at atmospheric temperatures (2007)
  • Author(s): S. Enami, T. Nakayama, 他6名
  • Journal Title: J. Phys. Chem. A 111 Pages: 3342-3348
  • Peer Reviewed
• [Journal Article] A fiber-optic ring-down spectroscopy using a tunable picosecond gain-switclied diode laser (2007)
  • Author(s): M. Andachi, T. Nakayama, 他3名
  • Journal Title: Appl. Phys. B 88 Pages: 131-135
  • Peer Reviewed
• [Journal Article] Effective interaction energy of water dimer at room temperature: An experimental and theoretical study (2007)
  • Author(s): T. Nakayama, 他10名
  • Journal Title: J. Chem. Phys. 127 Pages: 134302-134302
  • Peer Reviewed
• [Journal Article] Optical properties and chemical compositions of iodine-containing aerosols produced from the atmospheric photolysis of methylene iodide in the presence of ozone
  • Author(s): Y. Sakamoto, T. Nakayama他(5名中4番目)
  • Journal Title: Bull. Chem. Soc. Jpn. in press
  • NAID: 10025126647
• [Presentation] Measurements of optical properties of aerosols by cavity ring-down spectroscopy in mega-city Tokyo, Japan (2009)
  • Author(s): T. Nakayama他
  • Organizer: First SELIS International Workshop
  • Place of Presentation: 名古屋大学
• [Presentation] Measuring ambient carbon dioxide isotope ratios in Nagoya university campus, Japan, with a mid-IR QC laser instrument (2009)
  • Author(s): J. Pearce, T. Nakayama他
  • Organizer: First SELIS International Workshop
  • Place of Presentation: 名古屋大学
• [Presentation] Measurements of optical properties of aerosols by cavity ring-down spectroscopy in mega-city Tokyo, Japan (2008)
  • Author(s): T. Nakayama他
  • Organizer: American Geophysical Union, 2008 Fall meeting
  • Place of Presentation: San Francisco, USA
• [Presentation] Measuring ambient carbon dioxide isotope ratios in Nagoya university campus, Japan, with a mid-IR QC laser instrument (2008)
  • Author(s): J. Pearce, T. Nakayama他
  • Organizer: American Geophysical Union, 2008 Fall meeting
  • Place of Presentation: San Francisco, USA
• [Presentation] Real-time measurements of atmospheric CO_2 isotope ratios (^<13>C, ^<18>O) using mid-IR QCL laser absorption spectroscopy (2008)
  • Author(s): Y. Matsumi, T. Nakayama他
  • Organizer: First International Symposium on the Arctic Research
  • Place of Presentation: 日本科学未来館
• [Presentation] Real-time measurements of atmospheric CO_2 isotoperatios (^<13>C, ^<18>O) using a mid-IR QC laser (2008)
  • Author(s): J. Pearce, T. Nakayama他
  • Organizer: The 4th International Symposium on Isotopomers
  • Place of Presentation: 日本科学未来館
• [Presentation] Real-time measurements of atmospheric CO_2 isotope ratios (^<13>C, ^<18>O) using a mid-IR QC laser (2008)
  • Author(s): J. Pearce, T. Nakayama他
  • Organizer: The 4th International Conference on Laser Probing
  • Place of Presentation: 名古屋大学
• [Presentation] エアロゾル光学特性計測における従来法の問題点 : レーザーキャビティリングダウン法との同時観測 (2008)
  • Author(s): 中山智喜他
  • Organizer: 日本地球惑星科学連合2008年大会
  • Place of Presentation: 幕張メッセ
• [Presentation] 圧力広がり測定によるNOの二量体ポテンシャル深さの推定 (2008)
  • Author(s): 坂本陽介、中山智喜他
  • Organizer: 第8回分子分光研究会
  • Place of Presentation: 神戸大学
• [Presentation] エアロゾル光学特性計測における従来法の問題点 : レーザーキャビティリングダウン法との同時観測 (2008)
  • Author(s): T. Nakayama, 他8人
  • Organizer: 日本地球惑星科学連合2008年大会
  • Place of Presentation: 幕張メッセ国際会議場
• [Presentation] Real-time measurements of atmospheric CO_2 isotope ratios (^<13>C, ^<18>O) using a mid-IR QCL laser absorption spectroscopy (2008)
  • Author(s): J.Pearce, T. Nakayama, 他1人
  • Organizer: The 4 th International Symposium on Isotopomers
  • Place of Presentation: 日本科学未来館
• [Presentation] Real-time measurements of atmospheric CO_2 isotope ratios (^<13>C, ^<18>O) using mid-IR QCL laser absorption spectroscopy (2008)
  • Author(s): Y. Matsumi, T. Nakayama, 他1人
  • Organizer: First International Symposium on the Arctic Research
  • Place of Presentation: 神戸大学
• [Presentation] Measurements of optical properties of aerosols by cavity ring-down spectroscopy in mega-city Tokyo, Japan (2008)
  • Author(s): T. Nakayama, 他8人
  • Organizer: American Geophysical Union, 2008 Fall meeting
  • Place of Presentation: サンフランシスコ(アメリカ合衆国)
• [Presentation] Foreign-gas Pressure broadening for the (0 0^0 3) ← (0 0^0 0) band of N_2O measured with continuous-wave cavity ring-down spectroscopy (2007)
  • Author(s): I. Morino, T. Nakayama他
  • Organizer: HRMS, 20th colloquium
  • Place of Presentation: Dijon, France
• [Presentation] Continuous-wave cavity ring-down spectroscopy of the 3ν_3 band of ^<14>N^<15>N^<16>O and ^<15>N^<14>N^<16>O (2007)
  • Author(s): I. Morino, T. Nakayama他
  • Organizer: HRMS, 20th colloquium
  • Place of Presentation: Dijon, France
• [Presentation] キャビティリングダウン分光法による大気エアロゾルの光学特性計測 (2007)
  • Author(s): 坂本陽介、中山智喜他
  • Organizer: エアロゾル学会
  • Place of Presentation: 国立保健医療科学院
• [Presentation] キャビティリングダウン法を用いた大気NO_3およびN_2O_5の計測装置の開発 (2007)
  • Author(s): 松見豊、中山智喜他
  • Organizer: 日本地球惑星科学連合2007年大会
  • Place of Presentation: 幕張メッセ
• [Presentation] キャビティリングダウン分光法を用いた大気エアロゾルの光学特性の実験的研究 (2007)
  • Author(s): 坂本陽介、中山智喜他
  • Organizer: 日本地球惑星科学連合2007年大会
  • Place of Presentation: 幕張メッセ