Publications

Dr. Takashi Yagi

Publications

  1. Yagi and P. L. Dyson, “Measurements of Thermospheric Temperature at a Mid-latitude Station”, Planet. Space Sci., 33, 203, 1985.
  2. Yagi and P. L. Dyson, “The Response of the Mid-latitude Thermospheric Wind to Magnetic Activity”, Planet. Space Sci., 33, 461, 1985.
  3. Yagi and P. L. Dyson, “The influence of Neutral Temperature and Winds on the F-layer Height”, J. Atmos. Terrest. Phys., 47, 575, 1985.
  4. Yagi and P. L. Dyson, “Observations of the Mid-latitude Neutral Atmosphere and Ionosphere During the Storm of 5 March 1981”, J. Atmos. Terrest. Phys., 47, 1075, 1985.
  5. Yagi, P. L. Dyson, and K. C. Clark, “Complex Plane Representation of a Fabry-Perot Spectrometer Output with Multiple Apertures”, Appl. Opt., 25, 521, 1986.
  6. Yagi, “Fabry-Perot Interferometer Measurement of the Temperature and Wind at F Layer Heights”, Ph.D. Thesis, La Trobe University 1983.
  7. G. Sivjee and T. Yagi, “Near-infrared Studies of Polar Upper Atmospheric Processes”, Biennial Rep., Geophysical Institute of University of Alaska, 1985.
  8. Yagi, J. Bachar, H. Saito, T. Fujioka, Y. Matsumi, K.Ohta, M. Obara, “A Beam Monitoring System for Simultaneous Measurement of Near and Far-Field Patterns in High Repetition Rate KrF Lasers”, Appl. Opt., 28, 3775, 1989.
  9. Matsumi, T. Yagi, H. Saito, T. Fujioka, “Development of a Beam Quality Measurement System for Excimer Lasers”, The Review of Laser Engineering (Japanese), 17, 2, 128, 1989.
  10. Yagi, Y. Matsumi, K. Ohta, H. Saito, M. Obara, and T. Fujioka, “A Diagnostic System for an Excimer Laser Beam”, Proc., 7th Int. Nat. Symp. Gas Flow and Chemical Laser, Vienna, 1989.
  11. Yagi, H. Saito, T. Fujioka, K. Ohta, and M. Obara, “Diagnostic Methods and Beam Qualities for the Discharge Pumped Excimer Laser”, Proc. (invited), Lasers 88, Lake Tahoe, 1989.
  12. Yagi, H. Saito, T. Fujioka, K. Ohta, T. Arai, and M. Obara, “Beam Clean-up by Stimulated Brillouin Scattering Phase Conjugation KrF Laser at High Repetition Rates”, Technical Digest, CLEO 89, Baltimore, 1989.
  13. Yagi, K. Ohta, H. Saito, Q. Lou, K. Igarashi, M. Obara, and T. Fujioka, “Characteristics of KrF Phase-Conjugate Laser at High Repetition Rate”, Proc. LEOS’89 (invited), Orland, 1989.
  14. Yagi and K.Ohta, “Fabry-Perot Measurement of Two Dimensional Spectral Distribution in the KrF Laser Beam”, Appl. Opt., 29, 4504 (1990).
  15. Lou, T. Yagi, K. Igarashi, and H. Saito, “The Effects of F2 Concentration on Discharge Pumped KrF Laser Characteristics”, J. Appl. Phys. 68, 2572, 1990.
  16. Lou, T. Yagi, and H. Saito, “KrF/H2 Raman Conversion at High Repetition Rate Using a Hydrogen Gas Circulating System”, J. Appl. Phys., 67, 6591, 1990.
  17. Ohta, T. Yagi, H. Saito, and M. Obara, “Beam Quality Measurement of a Narrow Band KrF Excimer Laser with Stimulated Brillouin Scattering Phase Conjugation Double-pass Amplifier at 100Hz Operation”, J. Appl. Phys., 69, 7440, 1991.
  18. Yagi, and Q. Lou, “Hydrogen Gas Circulating Raman Shifter”, Rev. Sci. Inst., 62, 1991.
  19. Huo, K. Shimizu, and T. Yagi, “High-Efficiency Second-Order Raman Conversion of KrF Laser in Hydrogen”, J. Appl. Phys., 71, 45, 1992.
  20. Shimizu, Y. Huo, and T. Yagi, “Wave-length Conversion of KrF Laser Beam by Stimulated Raman Conversion”, Rev. Laser Eng.(Japanese), 20, 48, 1992.
  21. Huo, K. Shimizu, and T. Yagi, “Vacuum Ultraviolet Generation by Anti-Stokes Raman Scattering of KrF Laser Radiation in H2”, J. Appl. Phys., 72, 3258 (1992).
  22. Shimizu, Y. Huo, and T. Yagi, “Wave-Length Conversion of KrF Laser Beam by Stimulated Raman Conversion”, Rev. Laser Eng. (Japanese), 20(1), 48, 1992.
  23. Zhang and T. Yagi, “Observation of Group Delay Dispersion as a Function of the Pulse Width in a Mode Locked Ti: Sapphire Laser”, Appl. Phys. Lett., 63, 2993, 1993.
  24. Zhang and T. Yagi, “Observation of Group Delay Dispersion as a Function of the Pulse Width in a Mode Locked Ti: Sapphire Laser”, Appl. Phys. Lett., 63, 2993, 1993.
  25. Minoshima, H. Matsumoto, Z. Zhang, and T. Yagi, “Simultaneous 3-D Imaging Using Chirped Ultra Short Optical Pulses”, Jpn. J. Appl. Phys., 33(98), L1348, 1994.
  26. Yagi, and H. Kusama, “Enhanced Vacuum Ultraviolet and X-ray Radiation from Electrically Controlled KrF Laser Plasma”, Advanced Materials ’93, Ⅳ／Laser and Ion Beam Modification of Materials, edited by I. Yamada et al., Trans. Mat. Res. Soc. Jpn., vol. 17, (Elsevier Science B.V. 1994), p.241.
  27. Zhang, and T. Yagi, “KrF Laser Source with Variable Pulse Width for Material Processing”, Advanced Materials ’93, Ⅳ／Laser and Ion Beam Modification of Materials, edited by I. Yamada et al., Trans. Mat. Res. Soc. Jpn., vol.17, (Elsevier Science B.V. 1994) p.301.
  28. Zhang and T. Yagi, “KrF Laser Source with Variable Pulse Width for Material Processing”, Advanced Materials’93, Trans. Mat. Soc. Jpn.(Elsevier Science B.V.), 17, 241, 1994.
  29. Yagi, H. Kusama, and Z. Zhang, ”Beam Manipulation Techniques for KrF Excimer Laser”, Advanced Materials ’93, Ⅳ／Laser and Ion Beam Modification of Materials, edited by I. Yamada et al., Trans. Mat. Res. Soc. Jpn.,(Elsevier Science B.V. 1994), 17, 209.
  30. Nagaishi, H. Itozaki, Itakura, R. Nodomi, and T. Yagi, “Large-size High Temperature Superconducting Thin Film by High Power ArF Excimer Laser”, Rev. Laser Engineering (Japanese), 22(11), 926, 1994.
  31. Yagi, and H. Kusama, “Laser Plasma X-ray for Non-destructive Inspection”, Proc. 6th Int. Sym. Advanced Nuclear Energy Research, 1994 (JAERI 1995), p817.
  32. Yagi, Z. Zhang, and H. Kusama, “Femtosecond Laser Triggering of Electric Discharges”, Proc. 6th Int. Sym. Advanced Nuclear Energy Research, 1994 (JAERI 1995), p804.
  33. Kusama, and T. Yagi, “Characteristics of Photoelectron Triggered Gap Switch by KrF Excimer Laser”, Proc. 6th Int. Sym. Advanced Nuclear Energy Research, 1994 (JAERI 1995), p798.
  34. Zhang, and T. Yagi, “A Compact Femtosecond Ti:sapphire/KrF Lseer System”, Proc. 6th Int. Sym. Advanced Nuclear Energy Research, 1994 (JAERI 1995),p791.
  35. Yagi and Y. Huo, “Laser-induced breakdown in H2 gas at 248 nm”, Appl. Opt., 35, 3183, 1996.
  36. Zhang and T. Yagi, “Evaluation of Dispersion in a Misaligned Grating Pair Pulse Compressor”. J. Appl. Phys., 77, 937, 1995.
  37. Zhang, S. Harayama, T. Yagi, and T. Arisawa, “Vertical chirp in grating pair stretcher and compressor “, Appl. Phys. Lett., 67(2), 176-178, 1995.
  38. Zhang and T. Yagi, “Regenerative amplification of femtosecond pulses at 745 nm in Ti sapphire”, Appl. Opt., 35, 2026, (1996).
  39. Zhang, T. Yagi, and T. Arisawa, “Ray-tracing model for stretcher dispersion calculation”, Appl. Opt., 36, 3393, 1997.
  40. Yagi, K. Matsubara, M. Yamashita, and T. Tako, “Krypton fluoride laser pulse shortening by stimulated thermal scattering on a liquid surface”, Appl. Opt., 36, 8002, 1997.
  41. Kusama and T. Yagi, “Laser-Triggered Low Timing Jitter Coaxial Marx Generator “, IEEE Trans. Plasma Science, 25(6), 1431-1434. 1997
  42. Ohmae, S. Itoh, T. Yagi, and T. Fujioka, “The study of the interaction between femtosecond photon and matter”, J Advanced Science, 10, 168 (1997).
  43. Kusama, and T. Yagi, “Triggering Characteristics of Photoelectron-Triggered Gap Switch with KrF Excimer Laser and its Application to Pulsed-Power System”, T. IEE (Japanese), 119-A, 444 (1999).
  44. Ueda, M. Wakamatsu, N. Tomosada, H. Hayashi, T. Sugiyama, T. Yagi, G. Ohmae, “High Peak Power Pulse Laser for Laser Induced Breakdown”, High Power Lasers and Applications, Osaka, (1999).
  45. Nagumo, S. Hayashi, T. Yagi, T. Matsumura, S. Yamazaki, K. Honda, I. Kojima, “ Pulsed X-ray emission by laser plasma triggered electron beam “, Laser Applications in Microelectronics and Optoelectronic Manufacturing Ⅴ, SPIE Proceedings v.3933, pp404-411, 2000
  46. Ohmae, T. Yagi, K. Nanri, T. Fujioka, Spatial Spectrum Chirp Characteristic of a Martinez-Type Multi-pass Pulse Stretcher”, Jap. J. Appl. Phys., 39(10) pp.5864-5869-Part 1, 2000.
  47. Ohmae and T. Yagi, “High power regenerative amplifier”, High Power Lasers in Energy Engineering, Osaka 1999, Proceedings SPIE 3886, pp407-413, 2000.
  48. Iwamoto, Y. Morihisa, Y. Nagumo, S. Hayashi, T. Yagi, “Low timing-jitter pulsed hard X-ray photography by laser plasma triggered electron beam”, Applications of X-rays Generated from Lasers and Other-Bright Sources 2, SPIE vol. 4504, 2001.
  49.  T. Matsumura, A. Kazama, and T. Yagi, “Generation of debris in the femtosecond laser machinig of a silicon substrate”, Appl. Phys. , A81, 1393, 2005.
  50. Matsumura, T. Nakatani, and T. Yagi, “Deep drilling on a silicon plate with a femtosecond laser, experiment and model analysis”, Appl. Phys., A86, 107, 2007
  51. K. Takakusaki, R. Inoue, and T. Yagi, “Development of diagnostic method of rapidly melting processes at crystalline silicon surface heated with femtosecond laser pulses”, J Advanced Science, 20, 7 (2008)
  52. R. Inoue, K. Takakusaki, Y. Takagi, and T. Yagi, “Micro-ablation on silicon by femtosecond laser pulses focused with an axicon assisted with a lens”, Appl. Surf. Sci., 257, 476, (2010).
  53. G. Odachi, K. Hara, K. R. Sakamoto, and T. Yagi “Pre-ablation features formed by focusing a femtosecond laser beam with dual axicons to c-Si in vacuum”, Appl. Surf. Sci., 261, 174, (2012).
  54. G. Odachi, R. Sakamoto, K. Hara, and T. Yagi, “Effect of air on debris formation in femtosecond laser ablation of crystalline Si”, Appl. Surf. Sci., 282, 525, (2013).
  55. G. Odachi, R. Sakamoto, K. Hara, and T. Yagi, “ASS_282_638_Generation of nanoparticles at a fluence less than the ablation threshold using femtosecond laser pulses”, Appl. Surf. Sci., 282, 638 (2013).
  56. R. Sugawara, S. Sekiguchi, and T. Yagi, “ASS_353_400_Formation of periodic ripples through excitation of ∼1μm spot using femtosecond-laser Bessel beam on c-Si”, Appl. Surf. Sci., 353, 400, (2015).

 

Patents (Japanese)

  1. Takashi Yagi, etal. “Laser pulse triggered X ray generator”                                                                         　　　　　　　　　　　　　　　　八木隆志（東海大学）、他  「レーザー誘起Ｘ線源」 【公開番号】特開２００２－１８４５９７（Ｐ２００２－１８４５９７Ａ）
    【公開日】平成１４年６月２８日（２００２．６．２８）
  2. Takashi Yagi, etal, “X ray stress analyzer”               　　　　　　　　八木隆志（東海大学）、他  「Ｘ線応力測定装置」 【公開番号】特開２００２－３３３４０９（Ｐ２００２－３３３４０９Ａ）
    【公開日】平成１４年１１月２２日（２００２．１１．２２）
  1. Takashi Yagi, etal., “Regenerative laser beam amplifier” 　　　　　　　　　　　　　　　　　　　　　　　　　　　　八木隆志（財）産業創造研究所、他　「レーザビーム再生増幅器」特願平5-291040、出願 1993/11/19

 

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