業績リスト

2024年9月12日現在

公表論文（欧文誌）

  1. M. Nagai, S. Watanabe, R. Imamura, M. Ashida, K. Shimoyama, H. Li, A. N. Hattori and H. Tanaka,
    Characterization of Ultrathin Conductive Films Using a Simplified Approach for Terahertz Time-Domain Spectroscopic Ellipsometry, ,
    Journal of Infrared, Millimeter, and Terahertz Waves , , (2024).
  2. E. Matsubara, M. Nagai, and M. Ashida,
    Multiple solid-plates compression for two-color excitation of air plasma emitting ultrabroadband infrared waves, ,
    Applied Physics Express, 16, 112003 (2023).
  3. K. Strecker, M. Otto, M. Nagai, J. F. O’Hara and R. Mendis,
    Artificial dielectric beam-scanning prism for the terahertz region ,
    Scientific Reports, 13, 13793 (2023).
  4. H. Takehara, M. Nagai, M. Ashida, Y. Okuyama, and Y. Kani,
    Phonons damped by proton doping in barium zirconate ,
    The Journal of Physical Chemistry C, 127, 10913-10921 (2023).
  5. M. Nagai, Y. Higashitani, M. Ashida, K. Kusakabe, H. Niioka, A. N. Hattori, H. Tanaka, G. Isoyama, and N. Ozaki
    Terahertz-induced martensitic transformation in partially stabilized zirconia ,
    Communications Physics, 6 88 (2023).
  6. M. Nagai, Furutani, H. Takehara, M. Ashida, Y. Okuyama, and Y. Kani,
    Mechanisms of photoluminescence in cerium oxide pellets with different types of defects,
    Journal of Luminescence, 260, 119859 (2023).
  7. H. Takehara, M. Nagai, M. Ashida, Y. Okuyama, and Y. Kani,
    Determining the Atomic Arrangement near the Oxygen Vacancy in Yttrium-Doped Barium Zirconate by Photoluminescence Spectroscopy ,
    The Journal of Physical Chemistry C, 127 (2) 968-976 (2023).
  8. H. Ren, A. I. Osaka, A. N. Hattori, B. Yu, M. Nagai, M. Ashida, B. Li, C. Zou, and H. Tanaka
    Controllable Strongly Electron-Correlated Properties of NdNiO3 Induced by Large-Area Protonation with Metal?Acid Treatment ,
    ACS Applied Electronic Materials, 4 (7) 3495-3502 (2022).
  9. M. Nagai, Y. Furutani, H. Takehara, T. Morimoto, M. Ashida, Y. Okuyama, and Y. Kani,
    Evaluation of the Oxygen Migration Energy in Doped Ceria by Terahertz Spectroscopy ,
    Physical Review Applied, 16, 064069 (2021).
  10. C. Zhou, X. Zhang, J. Ai, T. Ji, M. Nagai, Y. Duan, S. Che & L. Han,
    Chiral hierarchical structure of bone minerals ,
    Nano Research, 15, 1295-1302 (2021).
  11. K. Miyagawa, M. Nagai, M. Ashida, C. Kim, and H. Akiyama,
    Enhanced Magneto-Optical Kerr Effect of GaAs-Based P-N Junctions in the Terahertz Range ,
    Journal of Infrared, Millimeter, and Terahertz Waves, 42, 325-337 (2021).
  12. N. Tanimoto, M. Nagai, M. Ashida, Y. Okuyama and Y. Kani,
    Assessing the atomic structure of the defect complex in a solid electrolyte by photoluminescence measurements,
    Japanese Journal of Applied Physics, 60, 032004 (2021).
  13. E. Matsubara, M. Nagai and M. Ashida,
    Coherent detection of ultrabroadband infrared pulses using single crystal of diamond,
    Applied. Physics Express, 14, 032005(2021).
  14. T. Handa, T. Yamada, M. Nagai, and Y. Kanemitsu,
    Phonon, thermal, and thermo-optical properties of halide perovskites,
    Physical Chemistry Chemical Physics, 22,26069-26087 (2020).
  15. M. Tsubouchi, H. Hoshina, M. Nagai and G. Isoyama,
    Plane photoacoustic wave generation in liquid water using irradiation of terahertz pulses,
    Scientific Reports 10, 18537 (2020).
  16. Y. Kanemitsu, T. Yamada, T. Handa, and M. Nagai,
    Optical responses of lead halide perovskite semiconductors,
    Semicond. Sci. Technol. 35 093001 (2020).
  17. K. Kawase, M. Nagai, K. Furukawa, M. Fujimoto, R. Kato, Y. Honda, and G. Isoyama,
    Extremely high-intensity operation of a THz free-electron laser using an electron beam with a higher bunch charge,
    Nuclear Inst. and Methods in Physics Research, A 960 163582, (2020),
  18. M. Nagai, A. Nakane, H. Suzukawa, T. Morimoto, and M. Ashida,
    Time-Domain Magnetic Field-Difference Spectroscopy for Semiconductors Using Circularly Polarized Terahertz Pulses,
    IEEE Transactions on Terahertz Science and Technology, 10, (1), 51-57 (2020).
  19. W. Zhang, A. Charous, M.Nagai, D M. Mittelman, and R. Mendis,
    Characteristics of resonance-induced optical vortices and spatial reshaping,
    Optics Letters, 44, (23), 5800-5803 (2019).
  20. T. Morimoto, M. Nagai, Y. Minowa, M. Ashida, Y. Yokotani, Y. Okuyama and Y. Kani,
    "Microscopic ion migration in solid electrolytes revealed by terahertz time-domain spectroscopy" ,
    Nature Communications 10, 2662 (2019).
  21. W. Zhang, A. Charous, R. Mendis, M. Nagai, and D. M. Mittleman,
    "Characterizing optical resonances using spatial mode reshaping" ,
    Optica, 5, (11) 1414-1417 (2018).
  22. K. Miyagawa, M. Nagai, G. Yamashita, M. Ashida, C. Kim, H. Akiyama, and Y. Kanemitsu,
    "Quantitative monitoring of the internal field in the depletion layer of a GaAs-based solar cell with terahertz radiation" ,
    Applied Physics Letters, 113, 163501 (2018).
  23. M. Nagai, T. Tomioka, M. Ashida, M. Hoyano, R. Akashi, Y. Yamada, T. Aharen, and Y. Kanemitsu,
    "Longitudinal Optical Phonons Modified by Organic Molecular Cation Motions in Organic-Inorganic Hybrid Perovskites" ,
    Physical Review Letters, 121, 145506 (2018).
  24. W. Zhang, A. Charous, M. Nagai, and D. M. Mittleman, and R. Mendis,
    "Extraordinary optical reflection resonances and bound states in the continuum from a periodic array of thin metal plates" ,
    Optics Express, 26, (10) 13195-13204 (2018).
  25. R. Mendis, M. Nagai, W. Zhang and D. M. Mittleman,
    "Artificial dielectric polarizing-beamsplitter and isolator for the terahertz region" ,
    Scientific Reports, 7, 5909 (2017).
  26. M. Nagai, S. Aono, M. Ashida, K. Kawase, A. Irizawa and G. Isoyama,
    "Luminescence induced by electrons outside zinc oxide nanoparticles driven by intense terahertz pulse trains" ,
    New Journal of Physics, 19, 053017 (2017).
  27. G. Yamashita, E. Matsubara, M. Nagai, C. Kim, H. Akiyama, Y. Kanemitsu, and M. Ashida,
    "Sensitive monitoring of photocarrier densities in the active layer of a photovoltaic device with time-resolved terahertz reflection spectroscopy" ,
    Applied Physiscs Letters, 110, 071108 (2017).
  28. E. Matsubara, T. Mochizuki, M. Nagai, and M. Ashida,
    "Self-polarized terahertz magnon absorption in a single crystal of BiFeO3," ,
    Phys. Rev. B 94, 054426 (2016).
  29. L. Q. Phuong, Y. Yamada, M. Nagai, N. Maruyama, A. Wakamiya, and Y. Kanemitsu,
    "Free Carriers versus Excitons in CH3NH3PbI3 Perovskite Thin Films at Low Temperatures: Charge Transfer from the Orthorhombic Phase to the Tetragonal Phase, " ,
    The Journal of Physical Chemistry Letters, 7, 2316-2321 (2016).
  30. H. Hoshina, H. Suzuki, C. Otani, M. Nagai, K. Kawase, A. Irizawa, G. Isoyama,
    "Polymer Morphological Change Induced by Terahertz Irradiation" ,
    Scientific Reports, 6, 27180 (2016).
  31. T. V. A. Nguyen, A. N. Hattori, M. Nagai, T. Nakamura, M. Ashida and H. Tanaka,
    "Electrical transport properties of (La,Pr,Ca)MnO3 nanowires investigated using terahertz time domain spectroscopy" ,
    Journal of Applied Physics, 119, 125102 (2016) .
  32. R. Mendis, M. Nagai, Y. Wang, N. Karl, and D. M. Mittleman,
    "Terahertz Artificial Dielectric Lens" ,
    Scientific Reports, 6, 23023 (2016).
  33. T. Morimoto, G. Yamashita, M. Nagai, and M. Ashida,
    "Evaluation of complex conductivity in a circularly polarized field by terahertz time-domain reflection spectroscopy with a phase shifter" ,
    Applied Physics Express, 9, (2) 022402 (2016).
  34. T. Suzuki, M. Nagai, and Y. Kishi,
    " Extreme-sensitivity terahertz polarizer inspired by an anisotropic cut-through metamaterial" ,
    Optics Letters, 41, (2) 325-328 (2016).
  35. L. Q. Phuong, M. Okano, G. Yamashita, M. Nagai, M. Ashida, A. Nagaoka, K. Yoshino and Y. Kanemitsu,
    "Free-carrier dynamics and band tails in Cu2ZnSn(SxSe1-x)4: Evaluation of factors determining solar cell efficiency" ,
    Physical Review B 92, 115204 (2015).
  36. E. Matsubara, T. Mochizuki, M. Nagai, T. Ito and M. Ashida,
    "Ultrafast near-infrared nonlinear absorption in a multiferroic single crystal of bismuth ferrite" ,
    Japanese Journal of Applied Physics, 54, 092201(1-5) (2015).
  37. L. Q. Phuong, M. Okano, G. Yamashita, M. Nagai, M. Ashida, A. Nagaoka, K. Yoshino and Y. Kanemitsu,
    “Photocarrier dynamics in undoped and Na-doped Cu2ZnSnS4 single crystals revealed by ultrafast time-resolved terahertz spectroscopy” ,
    Applied Physics Express, 8, (6) 062303 (2015).
  38. M. Nagai, N. Mukai, Y. Minowa, M. Ashida, T. Suzuki, J. Takayanagi, and H. Ohtake,
    “Achromatic wave plate in THz frequency region based on parallel metal plate waveguides with a pillar array” ,
    Optics Express, 23, (4) 4641-4649 (2015).
  39. Y. Kishi, M. Nagai, J. C. Young, K. Takano, M. Hangyo, and T. Suzuki,
    "Terahertz laminated-structure polarizer with high extinction ratio and transmission power“ ,
    Applied Physics Express, 8, (3) 032201 (2015).
  40. L. Q. Phuong, M. Okano, Y. Yamada, G. Yamashita, T. Morimoto, M. Nagai, M. Ashida, A. Nagaoka, K. Yoshino and Y. Kanemitsu,
    “Ultrafast free-carrier dynamics in Cu2ZnSnS4 single crystals studied using femtosecond time-resolved optical spectroscopy” ,
    Applied Physics Letters, 105, 231118 (1-4) (2014).
  41. G. Yamashita, E. Matsubara, M. Nagai, Y. Kanemitsu and M. Ashida,
    “Intrinsic carrier multiplication efficiency in bulk Si crystals evaluated by optical-pump/terahertz-probe spectroscopy” ,
    Applied Physics Letters, 105, 231118(1-4) (2014).
  42. R. Kakimi, M. Fujita, M. Nagai, M. Ashida and T. Nagatsuma,
    “Capture of a terahertz wave in a photonic-crystal slab” ,
    Nature Photonics, 8, (8) 657-663 (2014).
  43. T. V. A. Nguyen, A. N. Hattori, M. Nagai, T. Nakamura, K. Fujiwara, M. Ashida, and H. Tanaka,
    “Estimation of dc transport dynamics in strongly correlated (La,Pr,Ca)MnO3 film using an insulator-metal composite model for THz conductivity" ,
    Applied Physics Letters, 105, 023502 (2014).
  44. M. Nagai, E. Matsubara, M. Ashida, J. Takayanagi, and H. Ohtake,
    “Generation and Detection of THz Pulses with a Bandwidth Extending Beyond 4 THz Using a Sub-picosecond Yb-doped Fiber Laser System”,
    IEEE Transactions on Terahertz Science and Technology, 4, 440-446 (2014).
  45. M. Nagai, N. Mukai, Y. Minowa, M. Ashida, J. Takayanagi and H. Ohtake,
    “Achromatic THz wave plate composed of stacked parallel metal plates”,
    Optics Letters, 39, (1) 146-149 (2014).
  46. M. Nagai, Y. Kamon, Y. Minowa, E. Matsubara, and M. Ashida,
    "Coherent transitions between the shallow acceptor levels in germanium using intense THz pulses" ,
    New Journal of Physics, 5, 065012-065021 (2013).
  47. E. Matsubara, M. Nagai, and M. Ashida,
    "Coherent infrared spectroscopy system from terahertz to near infrared using air plasma produced by 10-fs pulses" ,
    Journal of Optical Society of America B, 30, (6) 1627-1630 (2013).
  48. M. Tsubouchi, M. Nagai, and Y. Ohshima,
    "Terahertz tomography of a photo-induced carrier based on pump-probe spectroscopy using counterpropagation geometry" ,
    Optics Letters, 27, (17) 3528-3530 (2012).
  49. E. Matsubara, M. Nagai, M. Ashida,
    "Ultrabroadband coherent electric field from far infrared to 200 THz using air plasma induced by 10 fs pulses " ,
    Applied Physics Letters, 101, (1), 013701 (2012).
  50. M. Nagai, E. Matsubara, M. Ashida,
    "High-efficiency terahertz pulse generation via optical rectification by suppressing stimulated Raman scattering process" ,
    Optics Express, 85, (6), 011105 (2012).
  51. I. Katayama, H. Aoki, J. Takeda, H. Shimosato, M. Ashida, R. Kinjo, I. Kawayama, M. Tonouchi, M. Nagai, and K. Tanaka,
    "Ferroelectric Soft Mode in a SrTiO3 Thin Film Impulsively Driven to the Anharmonic Regime Using Intense Picosecond Terahertz Pulses" ,
    Physical Review Letters, 108, 097401 (2012).
  52. Y. Minowa, M. Nagai, H. Tao, K. Fan, A. C. Strikwerda, X. Zhang, R. D. Averitt, and K. Tanaka,
    "Extremely thin metamaterial as slab waveguide at terahertz frequencies" ,
    IEEE Transactions on Terahertz Science and Technology, 1, (2) 441-449 (2011).
  53. K. Tanaka, H. Hirori, and M. Nagai,
    "THz Nonlinear Spectroscopy of Solids",
    IEEE Transactions on Terahertz Science and Technology, 1, 301-312 (2011).
  54. E. Abraham, Y. Ohgi, M. Minami, M. Jewariya, M. Nagai, T. Araki, and T. Yasui,
    "Real-time line projection for fast terahertz spectral computed tomography" ,
    Optics Letters, 36, (11) 2119 (2011).
  55. K. Shinokita, H. Hirori, M. Nagai, N. Satoh, Y. Kadoya, and K. Tanaka,
    "Dynamical Franz-Keldysh effect in GaAs/AlGaAs multiple quantum wells induced by single-cycle terahertz pulses" ,
    Applied Physics Letters, 97, 211902 (2010).
  56. M. Jewariya, M. Nagai, and K. Tanaka,
    "Ladder Climbing on the Anharmonic Intermolecular Potential in an Amino Acid Microcrystal via an Intense Monocycle Terahertz Pulse" ,
    Physical Review Letters, 105,203003 (2010).
  57. H. Hirori, M. Nagai, and K. Tanaka,
    "Excitonic interactions with intense terahertz pulses in ZnSe/ZnMgSSe multiple quantum wells" ,
    Physical Review B, 81, 081305(R) (2010).
  58. T. Arikawa, M. Nagai, and K. Tanaka,
    "Micellization-induced formation of stable hydration structure in 2-butoxyethanol water solution" ,
    Chemical Physics Letter, 477, 95-101 (2009).
  59. M. Jewariya, M. Nagai, and K. Tanaka,
    "Enhancement of terahertz wave generation by cascaded χ(2) processes in LiNbO3" ,
    Journal of Optical Society of America B, 26, (9), A101 (2009).
  60. M. Nagai, M. Jewariya, Y. Ichikawa, H. Ohtake, T. Sugiura, Y. Uehara, and K. Tanaka,
    "Broadband and high power terahertz pulse generation beyond excitation bandwidth limitation via χ(2) cascaded processes in LiNbO3" ,
    Optics Express, 17, (14) 11543 (2009).
  61. H. Yada, M. Nagai, and K. Tanaka,
    "The intermolecular stretching vibration mode in water isotopes investigated with broadband terahertz time-domain spectroscopy" ,
    Chemical Physics Letter, 473, 279-283(2009).
  62. K. R. Mavani, M. Nagai, D. S. Rana, H. Yada, I. Kawayama, M. Tonouchi, K.Tanaka,
    "Effects of disorder and scaling of optical conductivity in Nd0.5Ca0.5-xBaxMnO3 (x = 0 and 0.02) thin films as observed by terahertz time domain spectroscopy" ,
    Applied Physics Letters, 93, 231908 (2008).
  63. H. Yada, M. Nagai, and K. Tanaka,
    "Origin of the fast relaxation component of water and heavy water revealed by terahertz time-domain attenuated total reflection spectroscopy" ,
    Chemical Physics Letter, 464, 166-170 (2008).
  64. T. Arikawa, M. Nagai, and K. Tanaka,
    "Characterizing hydration state in solution using terahertz time-domain attenuated total reflection spectroscopy" ,
    Chemical Physics Letter, 457, 12-17(2008).
  65. T. Okada, M. Nagai, and K. Tanaka,
    "Resonant phase jump with enhanced electric field caused by surface phonon polariton in terahertz region" ,
    Optics Express, 16, (8), 5633-5641 (2008).
  66. Y. Minowa, T. Fujii, M. Nagai, T. Ochiai, T. Sakoda, K. Hirao, and K. Tanaka,
    "Evaluation of effective electric permittivity and magnetic permeability in metamaterial slabs by terahertz time-domain spectroscopy" ,
    Optics Express, 16, (7), 4785-4796 (2008).
  67. A. Syouji, S. Saito, K. Sakai, M. Nagai, K. Tanaka, H. Ohtake, T. Bessho, T. Sugiura, T. Hirosumi, and M. Yoshida,
    "Evaluation of a terahertz wave spectrum and construction of a terahertz wave-sensing system using a Yb-doped fiber laser" ,
    Journal of Optical Society of America B, 24, (8), 2006-2012.(2007).
  68. M. Nagai, H. Yada, T. Arikawa, and K. Tanaka,
    "Terahertz time-domain attenuated total reflection spectroscopy in water and biological solution" ,
    International Journal of Infrared and Millimeter Waves, 27, (4), 505-515.(2006).
  69. H. Hirori, M. Nagai, and K. Tanaka,
    "Destructive interference effect on surface plasmon resonance in terahertz attenuated total reflection" ,
    Optics Express, 13, (26), 10801-10814 (2005).
  70. Y. Ichikawa, M. Nagai, and K. Tanaka,
    "Direct observation of the soft-mode dispersion in incipient ferroelectric KTaO3 ",
    Physical Review B 71, (9), 092106_1-_4 (2005).
  71. J. H. Jiang and M. W. Wu, M. Nagai, and M. Kuwata-Gonokami
    "Formation and decay of electron-hole droplets in diamonds",
    Physical Review B 71, (3), 035215 -_6 (2005).
  72. M. Nagai, K. Tanaka, H. Ohtake, T. Bessho, T. Sugiura, T. Hirosumi, and M. Yoshida
    "Generation and detection of terahertz radiation by electro-optical process in GaAs using 1.56 mm fiber laser pulses" ,
    Applied Physics Letters, 85, (18), 3974 (2004).
  73. H. Hirori, K. Yamashita, M. Nagai, and K. Tanaka,
    "Attenuated total reflection spectroscopy in a time domain using terahertz coherent pulses" ,
    Jananese Journal of Applied Physics, 43, (10A), L1287-L1289 (2004).
  74. L. Jiang, M. W. Wu, M. Nagai, and M. Kuwata-Gonokami,
    "Formation and decay of eletron-hole plasma clusters in a direct-gap semiconductor CuCl" ,
    Chinese Physics Letters, 20, (10), 1833-1835 (2003).
  75. M. Nagai, R. Shimano, K. Horiuchi, M. Kuwata-Gonokami,
    "Creation of supercooled exciton gas and transformation to electron-hole droplets in diamond",
    Physical Review B, 68, 081202(R)-_4 (2003).
  76. M. Nagai, R. Shimano, K. Horiuchi, and M. Kuwata-Gonokami,
    "Phase diagram of quantum degenerate electron-hole system in diamond",
    physica status solidi (b), 238, (3), 509-512 (2003).
  77. M. Nagai and M. Kuwata-Gonokami,
    "Electron-hole liquid formation by exciton and biexciton resonant excitation in CuCl",
    Journal of Luminescence, 100, 233-242 (2002).
  78. M. Nagai and M. Kuwata-Gonokami,
    "Time-Resolved Reflection Spectroscopy of the Spatiotemporal Dynamics of Photo-Excited Carriers in Si and GaAs",
    Journal of the Physical Society of Japan, 71, (9), 2276-2279 (2002).
  79. M. Sakai, R. Nakahara, J. Kawase, H. Kunugita, K. Ema, M. Nagai, and M. Kuwata-Gonokami,
    "Polariton pulse propagation at exciton resonance in CuCl: Polariton beat and optical precursor",
    Physical Review B, 66, (3), 033302_1 - _4 (2002).
  80. M. Nagai, K. Ohkawa, and M. Kuwata-Gonokami,
    "Midinfrared pump-probe reflection spectroscopy of the coupled phonon-plasmon mode in GaN",
    Applied Physics Letters, 81, (3), 486-488 (2002).
  81. R. Shimano, M. Nagai, K. Horiuchi, M. Kuwata-Gonokami,
    "Formation of a High Tc Electron-Hole Liquid in Diamond",
    Physical Review Letters, 88, (5), 057404_1-_4 (2002).
  82. M. Nagai, R. Shimano, and M. Kuwata-Gonokami,
    "Electron-hole droplet formation in direct-gap semiconductors observed by mid-infrared pump-probe spectroscopy",
    Physical Review Letters, 86, (25), 5795-5798 (2001).
  83. M. Nagai and M. Kuwata-Gonokami,
    "Degenerate Electron-Hole Plasma Formation via Resonant Exciton Excitation in CuCl",
    physica status solidi (b), 221, 261-267 (2000).
  84. M. Nagai, R. Shimano, and M. Kuwata-Gonokami,
    "Direct creation of electron-hole plasma by exciton Mott transition in CuCl",
    Journal of Luminescence, 87-89, 192-194 (2000).
  85. G. Mohs, T. Aoki, M. Nagai, R. Shimano, M. Kuwata-Gonokami, and S. Nakamura,
    "Failure of the Modal Gain Model in a GaN Based Laser Diode",
    Solid State Communication, 104, (11), 643-648 (1997).
  86. M. Nagai, F. Hoshino, S. Yamamoto, R. Shimano, and M. Kuwata-Gonokami,
    "Spherical cavity-mode laser with self organized CuCl microspheres",
    Optics Letters, 22, (21), 1630-1632 (1997).

解説記事

  1. 永井正也,
    メタマテリアルによるテラヘルツ受動光学素子,
    「メタマテリアルの設計、作成と新材料、デバイス開発への応用」(技術情報協会),6.1節, p. 333-340 (2022).
  2. 永井正也, 奥山勇治, 可児幸宗,
    コヒーレントテラヘルツパルスでみる燃料電池で用いられる 固体電解質内の高速イオン伝導,
    レーザー研究,50, (4) 198-201 (2022).
  3. 永井正也 ,
    超短光パルスレーザー励起型高強度テラヘルツパルス発生技術の進展,
    日本赤外線学会誌,31, (2), 6-13 (2022).
  4. 坪内雅明, 山崎祥他, 保科宏道, 永井正也, 磯山悟朗,
    テラヘルツ自由電子レーザーによる水中光音響波発生とその応用,
    光学, 50,(1), 509-516 (2022).
  5. 永井正也 ,
    固体電解質のテラヘルツ分光,
    光学,49,(6) (2020).
  6. 永井正也 ,
    高強度テラヘルツパルスによる有機固体のアブレーション,
    光学,48,(10) 407-411 (2019).
  7. M. Nagai,
    Birefringent Metamaterials for THz Optics,
    Electromagnetic Metamaterials, pp.89-98(2019).
  8. 山下元気, 松原英一, 永井正也, 芦田昌明
    “テラヘルツ分光でみる太陽電池材料・デバイスの光励起キャリアダイナミクス,”
    光アライアンス 28, (8) 43-47 (2017).
  9. 松原英一, 永井正也, 芦田昌明
    “テラヘルツ時間領域分光法の広帯域化と物性研究への応用,”
    光アライアンス 28, (6) 190-194 (2017).
  10. 永井正也, 磯山悟朗
    “テラヘルツ自由電子レーザーによる分子固体のアブレーション”
    化学工業 68, (3) 190-194 (2017).
  11. 森本智英, 山下元気, 永井正也, 芦田 昌明
    “位相板を用いた円偏光THz時間領域分光法”
    光アライアンス 28, (1) 44-47 (2017).
  12. 永井正也, ,
    “テラヘルツ周波数帯の分光応用　〜テラヘルツ伝導を例に〜,”
    O plus E 38, (12) 1138-1141 (2016).
  13. 永井正也, ,
    “メタマテリアルによる汎用THz光学素子”
    レーザー研究 44, (1) 38-41 (2016).
  14. M. Nagai, ,
    Chapter 2 “Nonlinear crystals for THz-wave generation and detection”
    in Handbook of Terahertz Technologies: Devices and Applications, edited by Ho-Jin Song and T. Nagatsuma, pp. 37- 55 (Pan Stanford Publishing)
  15. 永井正也,高柳順,
    "金属板でテラヘルツ光の偏光を制御する〜平行平板導波路を用いたアクロマート波長板〜",
    光アライアンス, 25, (11) 21-23 (2014). 　
  16. 永井正也,
    "研究奨励賞受賞論文紹介, 高強度モノサイクルTHzパルス発生とTHz 非線形分光に関する研究",
    日本赤外線学会誌, 24, (1) 91-92 (2014). 　
  17. 永井正也,
    "発想の転換　〜ピコ秒光技術、テラヘルツ技術を例に〜",
    生産と技術, 66, (2) 66-68 (2014). 　
  18. 永井正也,廣理英基, 田中耕一郎
    “高強度テラヘルツパルスが創る物性”
    日本物理学会誌, 66, (12) 919-922 (2011). 　
  19. 永井正也,
    “3.4 角度波面整合放射（フェムト秒レーザー励起）”, 3. 5 ガスプラズマからのTHzパルス発生”
    テラヘルツ波新産業 (斗内政吉監修) (2011年 シーエムシー出版)　
  20. 永井正也, 田中耕一郎
    "LiNbO3を用いた高強度広帯域モノサイクルテラヘルツ 電磁パルス発生"
    レーザー研究, 37, (5) 350-354(2009).
  21. 永井正也,
    "非線形光学結晶からのテラヘルツ発生：無機非線形結晶", pp.117-119
    "テラヘルツポンププローブ分光", pp 423-425
    "表面モード", pp.517-519
    テラヘルツテクノロジーフォーラム編　「テラヘルツ技術総覧」(2007年 NGT出版)
  22. 永井正也, 蓑輪陽介, 田中耕一郎
    "メタマテリアル薄膜の実効的誘電率・透磁率の決定"
    メタマテリアル-最新技術と応用- 石原照也監修　基礎編 第5章　 pp 102-110 (2007年 CMC出版).
  23. 永井正也, 田中耕一郎
    "時間領域テラヘルツATR分光"
    応用物理, 75, (2) 179-187 (2007).
  24. 永井正也, 田中耕一郎
    "時間領域テラヘルツATR分光"
    応用物理, 75, (2) 179-187 (2006).
  25. 広理英基, 永井正也, 田中耕一郎
    "時間領域テラヘルツATR分光"
    分光研究, 53, (6) 361-363 (2005).
  26. 永井正也, 田中耕一郎
    "テラヘルツ時間領域分光の基礎"
    月刊オプトロニクス, 23, (11) 141-145 (2004).
  27. 永井正也, 五神真,
    "励起子モット転移による低温高密度電子正孔系の生成"
    固体物理, 35, (10) 791-798 (2000).