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【原著論文】

“Living Plant Observation by Laser Speckle Microscopy”, Y. Hirakawa, Y. Matsuki, The Review of Laser Engineering (APLS The Review of Laser Engineering Supplemental Volume 2008), 36, pp. 1355-1357 (2008).

「レーザースペックル顕微鏡による生体細胞・組織活動のイメージング」,平川靖之,日本レーザー医学会誌,第28巻,pp. 129- 135(2007).

「レーザースペックル顕微鏡による単一細胞イメージング」,平川靖之,レーザー研究,第34巻,第12号,pp. 828-832(2006).

「細胞イメージングのためのレーザースペックル顕微鏡の開発」,平川靖之,久留米高専紀要,第22巻,第1号,pp.9-15, (2006).

"Recent progress of laser microscopes", Y. Hirakawa, in Recent Developments in Lasers and their Applications ed. N.J. Vasa, Research Signpost, Kerala, pp.135-166 (2006).

“Molecular-optic modulator”, K. Ihara, C. Eshima, S. Zaitsu, S. Kamitomo, K. Shinzen, Y. Hirakawa, T. Imasaka, Applies Physics Letters, Vol. 88, No. 7, 074101 (2006)

“Laser speckle microscope for instantaneous determination of condition of single living cell”, Japanese Journal Applied Physics, Y. Hirakawa et al., Vol. 44 (No. 2) part2, L85 - L87, 2005 (Online Published December 17, 2004).

「直接的細胞分子解析のための質量分析法の開発」,平川靖之, 清水正和, 他, 分析化学, 第53巻, 第6号, pp. 519 – 526, 2004.

“Effect of laser pulsewidth on the generation of multi-color laser emission by stimulated Raman scattering and four-wave Raman mixing in a KGd(WO4)2 crystal”, M. Matsuse, T. Deguchi, H. Ohtsuka, N. Takeyasu, Y. Hirakawa, T. Imasaka, Optics Communications, Vol. 223, pp. 411 – 416, 2003.

“An extended cavity femtosecond Cr:LiSAF laser pumped by low cost diode lasers”, R. P. Prasankumar, Y. Hirakawa, A. M. Kowalevicz Jr., F. X. Kaertner, J. G. Fujimoto, W. H. Knox, Optics Express, Vol. 11 (No. 11), pp. 1265 – 1269, 2003.

“Observation and analysis of single DNA nano-kinetics by pin-fiber video scope”, Y. Hirakawa, M. Suzuto, H. Ohnishi et al., Analyst, Vol. 128 (No. 6), pp. 676 – 680, 2003.

“Nano-Kinetics of a Single DNA and Nano Particles in Solution by Pin-Fiber Video-Microscope”, M. Suzuto, Y. Hirakawa, H. Ohnishi, S. Tachino et al., Analytical Sciences, Anniversary Issue (21st Century Bioanalysis), Vol. 19 (No. 1), pp. 43 – 47, 2003.

“Development of the Single-Cell MALDI-TOF (Matrix-Assisted Laser Desorption/Ionization Time-of-Flight) Mass-Spectroscopic Assay”, M. Shimizu, N. Ojima, H. Ohnishi, T. Shingaki, Y. Hirakawa et al., Analytical Sciences, Vol. 19 (No. 1), pp. 49 – 54, 2003.

“The influence of beam diffraction on multifrequency parametric Raman generation”, LL. Losev, Y. Yoshimura, Y. Hirakawa, T. Imasaka, Optics Communications, Vol. 204 (No. 1-6), pp. 379 – 383, 2002.

“An Analysis of Nano-Kinetic Movement of a Single DNA by Pin-Fiber Video-Microscope”, Y. Hirakawa, M. Suzutoh, H. Ohnishi, et al., Analytical Sciences, Vol. 18 (No. 12), pp. 1293 – 1294, 2002.

“Elemental analysis of stainless steel using hard X-ray emission arising from a high-density plasma produced by an intense femtosecond KrF laser pulse”, N. Takeyasu, Y. Hirakawa, T. Imasaka, Applied Spectroscopy, Vol. 56 (No. 9), pp. 1161–1164, 2002.

“Elemental analysis using hard x-ray emission from a laser-produced plasma, induced by a femtosecond laser pulse”, N. Takeyasu, Y. Hirakawa, T. Imasaka, Review of Scientific Instruments, Vol. 72 (No. 10), pp. 3940 – 3942, 2001.

“Development of Tunable Picosecond Dye Laser for Multiple Ionization of Dioxin Precursor in Supersonic Jet/Time -of -Flight Mass Spectrometry”, N. Yoshida, Y. Hirakawa, T. Imasaka, Analytical Chemistry, Vol. 73 (No. 18), 4417, 2001.

“Generation of Highly Repetitive Optical Pulses Based on Intracavity Four-Wave Raman Mixing”, K. Shinzen, Y. Hirakawa, T. Imasaka, Physical Review Letters, Vol. 87 (No. 22), 223901, 2001.

“Characterization of phosphor materials for use in a plasma display panel by time-resolved vacuum-ultraviolet laser spectrometry”, Y. Hirakawa, K. Nakamura, T. Imasaka, Analytical Chemistry, Vol. 73 (No. 15), 5472, 2001.

“Emission spectrum of hard X-rays, generated from iron, copper, and molybdenum targets by subpicosecond KrF laser pulses”, N. Takeyasu, Y. Hirakawa, T. Imasaka, Applied Physics Letters, Vol. 78, 1195, 2001.

“Thermal loss mechanism in the generation of multifrequency laser emission via stimulated Raman scattering and four-wave Raman mixing studied by photothermal refraction spectroscopy”, Y. Hirakawa, T. Tomooka, T. Imasaka, Applied Physics B, Vol. 70, 355, 2000.

“Development of a vacuum ultraviolet laser source and its application to the evaluation of phosphor materials for a plasma display panel”, Y. Hirakawa, N. Tokunaga, K. Nakamura, T. Imasaka, Analytica Chimca Acta, Vol. 389, 69, 1999.

“Diffractive optical sensor based on light absorption”, F. Nakajima, Y. Hirakawa, T. Kaneta, T. Imasaka, Analytical Chemistry, Vol. 71 (No. 13), 2262, 1999.

“Use of phase-locking in four-wave Raman mixing for generation ultrashort pulse”, H. Kawano, T. Mori, Y. Hirakawa, T. Imasaka, Physical Review A, Vol. 59 (No. 6), 4703, 1999.

“Stimulated Raman scattering and four-wave Raman mixing seeded by a supercontinuum generated in dibromomethane using picosecond and femtosecond laser sources” H. Kawano, T. Mori, Y. Hirakawa, T. Imasaka, Optics Communications, Vol. 160, 277, 1999.

“Role of supercontinuum in the generation of rotational Raman emission based on stimulated Raman gain and four-wave Raman mixing”, T. Mori, Y. Hirakawa, T. Imasaka, Optics Communications, Vol. 148, 110, 1998.

“Transverse mode filtering and spectral purification thought stimulated Raman scattering”, Y. Hirakawa, H. Kanada, T. Imasaka, Japanese Journal Applied Physics, Vol. 36 part2, L1440, 1997.

“Effect of laser wavelength on the generation efficiency of stimulated Raman emission in the femtosecond regime”, K. Ogata, H. Kawano, Y. Hirakawa, T. Imasaka, Japanese Journal Applied Physics, Vol. 36 part1, 6376, 1997.

“Resonant multiphoton ionization of H2 by an ArF laser and application to atmospheric molecules”, M. Maeda, T. Okada, Y. Hirakawa, M. Uchiumi, K. Muraoka, Japanese Journal Applied Physics, Vol. 35 part2, 2672, 1996.

Y. Hirakawa, A. Nagai, T. Okada, M. Maeda, K. Muraoka, “Absolute density measurement of a pulsed H2 gas jet used for extreme ultraviolet generation by nonlinear frequency conversion”, Japanese Journal Applied Physics, Vol. 33 part2, L183, 1994.

“A volume pinhole for mode-filtering of the femtosecond laser for use in the generation of high-order vibrational and rotational emissions by four-wave Raman mixing”, Y. Hirakawa, K. Ogata, N. Takeyasu, ,T. Imasaka, Japanese Journal Applied Physics, Vol. 39, 5115, 2000.

“Generation of high-oder rotational lines in hydrogen by four-wave Raman mixing in the femtosecond regime”, H. Kawano, Y. Hirakawa, T. Imasaka, IEEE Quantum Electron., Vol. 34 (No. 2), pp. 260 – 268, 1998.

“The generation of powerful rainbow-color laser emission by four-wave Raman mixing for display and illumination”, T. Tomooka, Y. Hirakawa, T. Imasaka, Journal of Light & Environment, Vol. 22 (No. 2), 1, 1998.

“Generation of more than 40 rotational Raman lines by picosecond and femtosecond Ti:sapphire laser for Fourier synthesis”, H. Kawano, Y. Hirakawa, T. Imasaka, Applied Physics B, Vol. 65, 1, 1997.

“Coherent extreme ultraviolet generation at 64 nm by efficient frequency tripling of an ArF laser”, Y. Hirakawa, T. Okada, M. Maeda, K. Muraoka, Journal of Optical Society of America B, Vol. 14, 1029, 1997.

“Generation of tunable coherent extreme-ultraviolet radiation wavelengths as low as 66 nm by resonant four-wave mixing”, Y. Hirakawa, A. Nagai, T. Okada, M. Maeda, K. Muraoka, Optics Letters, Vol. 18, 735, 1993.

“Generation of coherent XUV radiation by two-photon resonant four-wave mixing combined with stimulated Raman scattering”, Y. Hirakawa, K. Nakai, T. Okada, M. Maeda, K. Muraoka, Optics Communications, Vol. 92, 215, 1992.

“Diagnostics of edge plasmas and laser diagnostics of plasmas for industrial applications”, K. Muraoka, C. Honda, K. Uchino, T. Kajiwara, K. Matsuo, M. Bowden, W. Z. Park, Y. Hirakawa, K. Tanaka, Review of Scientific Instruments, Vol. 63 (No. 10), 4913, 1992.

“Generation of tunable coherent XUV radiation in a hydrogen gas jet by two-photon resonant four-wave mixing”, Y. Hirakawa, T. Okada, M. Maeda, K. Muraoka, Optics Communications, Vol. 84, 365, 1991.

“Resonant third-harmonic generation of ArF laser in H2 and Kr gas jet at 64 nm”, Y. Hirakawa, T. Okada, M. Maeda, K. Muraoka, Japanese Journal Applied Physics, Vol. 29 (No. 6), L958, 1990.

「可変波長コヒーレント光源の極端紫外域への拡張」, 高橋昭彦,平川靖之,岡田龍雄,前田三男,沖宗直哉,村岡克紀, 九州大学工学集報,第63巻,第6号,pp. 649 – 654, 1995.


【国際会議プロシーディングス】

“Frequency analysis of single living cell activity by laser speckle microscope”, Y. Hirakawa et al., Proceedings of Conference on Lasers and Electro-Optics 2005 (2005).

“Single-molecular imaging of protein in living cell by pin-fiber video-microscope”, Y. Hirakawa et al., 13th International Symposium on Bioluminescence & Chemiluminescence, Yokohama, 2004.

“MALDI-TOF/MS Assay of a Single-Cell under Interaction with a Fibroblast Cell Layer”, M. Shimizu, N. Ojima, Y. Hirakawa et al., ThPJ 164, Proceeding of 52nd ASMS Conference on Mass Spectrometry, Nashville, 2004.

“Extremely Ultra-Short Pulsed Laser Generated by Four-Wave Raman Mixing in Hydrogen Molecules for Chemical Analysis and Communication Applications” , Y. Hirakawa, K. Tohnai, T. Imasaka, Analytical Sciences, 17, Supplement, pp. i1165 – i1167, 2001 (ICAS2001 Proceedings).

"Efficient frequency tripling of an ArF laser in a hydrogen gas jet", M. Maeda, Y. Hirakawa, T. Okada, K. Muraoka, Technical digest of European Conference on Laser and Electro-Optics, p. 245, 1994.

"High-brightness 64.4-nm XUV generation by efficient frequency tripling of an ArF laser", M. Maeda, Y. Hirakawa, T. Okada, K. Muraoka, Technical digest of Conference on Laser and Electro-Optics, p. 309, 1994.

"Development of tunable coherent VUV and XUV light source by nonlinear frequency conversion in hydrogen gas", Y. Hirakawa, T. Okada, M. Maeda, K. Muraoka, Proceedings of international symposium on laser-aided plasma diagnostics., p. 190, 1993.

"Tunable XUV generation down to 66 nm by resonant four-wave mixing", M. Maeda, Y. Hirakawa, T. Okada, K. Muraoka, Technical digest of Conference on Laser and Electro-Optics, 285, 1993.

"Generation of tunable XUV radiation by two-photon resonant four-wave mixing in H2", T. Okada, Y. Hirakawa, M. Maeda, Technical digest of Conference on Laser and Electro-Optics, 360, 1990.


【招待講演・依頼講演】

「レーザーを使って細胞を観察する -レーザー顕微鏡の色々-」 ,平川靖之,第18回日本分析化学会九州支部若手の会春の講演会, 2005

「レーザとシングル光ファイバを用いた細胞観察法の開発~細胞動態観察から一分子イメージングまで~」,平川靖之,集積型可変波長レーザー研究会,福岡,2004.

「シングルファイバービデオスコープ法による生体一分子の動態解析」, 平川靖之, 日本薬学会第123年会ミニシンポジウム「未来を拓く検出科学 –臨床診断・生体分子分析への挑戦–」, 長崎, 2003.


【著 書】

“レーザー分光法”担当共著,「分析試料前処理ハンドブック」, 中村 洋 監修, 菊谷典久・藤原祺多夫・古野正浩 編, 丸善, 2003年

“8章 質量分析法” 担当共著,「機器分析化学」, 津田孝雄・廣川 健 編著, 朝倉書店, 2004年


【特 許】

「ビデオ顕微鏡装置」,特開2005-070571

「生体関連物質を観察する装置」, 特開2004-279910


【その他】

「ナノ万年筆でナノスケールのタンパク質プリント」, 平川靖之, ファルマシア, 第40巻, 第6号, pp. 536-537, 2004.

「ジェット冷却と真空紫外レーザー光を組み合わせた質量分析」, 平川靖之, ぶんせき, 第2号, p. 107, 2000.

「平成11年度 秋季講演会・シンポジウム報告」, 平川靖之, 分光研究, 第49巻, 第1号, p. 19, 2000.


社会貢献

2004年度 総務省テラヘルツテクノロジー動向調査委員会委員、
「テラヘルツテクノロジー動向調査報告書」医療・医薬品応用担当

2007年6月 久留米市篠山小学校出前授業