37.    M. Kakehata, T. Takahashi, H. Yashiro, A. Oyane, A. Ito, T. Nishikawa, K. Torizuka, " Wavelength dependence of femtosecond laser-induced periodic surface structures on yttria-stabilized zirconia,'' Proceedings of the 17th International Symposium on Laser Precision Microfabrication (Japan Laser Processing Society, July 2016), We1-O-4, pp. 1-4.

36.    K. Oguri, T. Tsunoi, K. Kato, H. Nakano, T. Nishikawa, H. Gotoh, K. Tateno and T. Sogawa, "Surface Carrier Dynamics on Semiconductor Studied with Femtosecond Core-Level Photoelectron Spectroscopy Using Extreme Ultraviolet High-Order Harmonic Source," in XVIIIth International Conference on Ultrafast Phenomena, EPJ Web of Conferences Volume 41 (EDP Sciences, March 2013), 04017-p.1-3.

35.    K. Oguri, H. Nakano, K. Kato, T. Nishikawa, A. Ishizawa, H. Gotoh, K. Tateno,  T. Sogawa, "High-Order Harmonic Photoelectron Spectroscopy System towards Measuring Attosecond Electron Dynamics on Solid Surfaces," in  Multiphoton Processes and Attosecond Physics, Springer Proceedings in Physics Volume 125 (Springer Berlin Heidelberg, 2012), pp. 373-377.

34.    K. Oguri, Y. Okano, T. Nishikawa, and H. Nakano, "Dynamics of Femtosecond Laser Ablation Plume Studied With Ultrafast X-ray Absorption Fine Structure Imaging,'' in International Symposium on High Power Laser Ablation 2010, AIP Conference Proceedings Volume 1278 (American Institute of Physics, November 2010), pp. 656-664. [Invited]

33.    K. Oguri, Y. Okano, T. Nishikawa, and H. Nakano, " Observation of ultrafast bond-length expansion at the initial stage of laser ablation by picosecond time-resolved EXAFS," The Proceedings of the UFO/HFSW 2005, Ultrafast Optics V (Springer Series in Optical Sciences 132, Jun 2007), pp. 173-180.

32.    Yasuaki Okano, Katsuya Oguri, Tadashi Nishikawa, Hidetoshi Nakano, " Femtosecond-laser-induced ablation of an aluminum target probed by space- and time-resolved soft x-ray absorption spectroscopy," The Proceedings of the UFO/HFSW 2005, Ultrafast Optics V (Springer Series in Optical Sciences 132, Jun 2007), pp. 165-172.

31.    H. Nakano, K. Oguri, Y. Okano, and T. Nishikawa, " Picosecond time-resolved XAFS measurements using femtosecond laser-produced plasma x-rays as a probe," in Laser Optics 2006: Superintense Light Fields and Ultrafast Processes, Proceedings of SPIE Vol. 6614 (The Society of Photo-Optical Instrumentation Engineers, May 2007), 661409. [Invited]

30.    Y. Okano, K. Oguri, T. Nishikawa, and H. Nakano, "Space- and time-resolved soft x-ray absorption spectroscopy of aluminum plasma induced by femtosecond-laser ablation," in Eighth International Conference on Laser Ablation (COLA '05), Journal of Physics: Conference Series Vol.59 (IOP Publishing, UK, May 2007), pp. 769-772.

29.    Yasuaki Okano, Katsuya Oguri, Tadashi Nishikawa, and Hidetoshi Nakano, "Spatially resolved soft x-ray spectroscopy of femtosecond-laser-induced plasmas," in Commercial and Biomedical Applications of Ultrafast Lasers V, Proceedings of SPIE Vol. 5714 (The Society of Photo-Optical Instrumentation Engineers, March 2005), pp. 215-222.

28.    Hidetoshi Nakano, Katsuya Oguri, Tadashi Nishikawa, Naoshi Uesugi, "Femtosecond laser plasma x-ray for time-resolved spectroscopy '', in ROMOPTO 2003: Seventh Conference on Optics, Proceedings of SPIE Vol. 5581 (The Society of Photo-Optical Instrumentation Engineers, Oct 2004), pp. 80-89.

27.    Hidetoshi Nakano, Tadashi Nishikawa, Katsuya Oguri, "Time-resolved absorption spectroscopy using ultrashort soft x-ray pulse from femtosecond laser-produced plasma '', in Superintense Light Fields and Ultrafast Processes, Proceedings of SPIE Vol. 5482 (The Society of Photo-Optical Instrumentation Engineers, June 2004), pp. 11-20. [Invited]

26.    Tadashi Nishikawa, Hidetoshi Nakano, Naoshi Uesugi, Masashi Nakao, Kazuyuki Nishio, and Hideki Masuda, "X-ray generation enhancement mechanism from femtosecond-laser-produced plasma with nanostructure-array targets,'' in X-RAY LASERS 2002, AIP Conference Proceedings Volume 641 (American Institute of Physics, November 2002), pp. 455-458.

25.    Tsuneyuki Ozaki, Katsuya Oguri, Tadashi Nishikawa, and Hidetoshi Nakano, "Characterization of surface plasma in surface harmonic experiments using satellite structures in the reflected pump spectrum,'' in X-RAY LASERS 2002, AIP Conference Proceedings Volume 641 (American Institute of Physics, November 2002), pp. 424-427.

24.    J. Q. Lin, Hidetoshi Nakano, Tadashi Nishikawa, Tsuneyuki Ozaki, and Katsuya Oguri "Propagation of intense laser pulses in capillary and its application in X-ray laser,'' in Science of Superstrong Field Interactions, AIP Conference Proceedings Volume 634 (American Institute of Physics, October 2002), pp. 234-240.

23.    Hidetoshi Nakano, Tadashi Nishikawa, Katsuya Oguri, and Naoshi Uesugi, "Time-resolved soft x-ray absorption spectroscopy using femtosecond laser plasma x-rays,'' in ALT'01 International Conference on Advanced Laser Technologies, Proceedings of SPIE Vol. 4762 (The Society of Photo-Optical Instrumentation Engineers, August 2002), pp. 83-92. [Invited]

22.    J. Q. Lin, Hidetoshi Nakano, Tadashi Nishikawa, Tsuneyuki Ozaki, and Katsuya Oguri " Guiding high intensity femtosecond laser pulses in a capillary for soft x-ray laser,'' in Proceedings of the third symposium on advanced photon research, edited by Kansai Research Establishment, JAERI-Conf 2002-008 (Japan Atomic Energy Research Institute, July 2002), pp. 157-160.

21.    Naoshi Uesugi, Hidetoshi Nakano, Tadashi Nishikawa, and Katsuya Oguri, "Short x-ray pulse generation towards time-resolved spectroscopy,'' in ICONO 2001: Ultrafast Phenomena and Strong Laser Fields, Proceedings of SPIE vol. 4752 (The Society of Photo-Optical Instrumentation Engineers, May 2002), pp. 195-204. [Invited]

20.    Katsuya Oguri, Hidetoshi Nakano, Tadashi Nishikawa, and Naoshi Uesugi, "Ultrashort soft x-ray pulse-shape measurement using optical field ionization dynamics in noble gas,'' in Applications of X Rays Generated from Lasers and Other Bright Sources II, Proceedings of SPIE vol. 4504 (The Society of Photo-Optical Instrumentation Engineers, November 2001), pp. 34-41.

19.    Katsuya Oguri, Hidetoshi Nakano, Tadashi Nishikawa, and Naoshi Uesugi, "Measurement of soft x-ray-pulse shape from femtosecond laser-produced plasma by optically ionized gas,'' in Proceedings of the second symposium on advanced photon research, edited by Kansai Research Establishment, JAERI-Conf 2001-011 (Japan Atomic Energy Research Institute, October 2001), pp. 200-203.

18.    Tadashi Nishikawa, Hidetoshi Nakano, Masashi Nakao, Naoshi Uesugi, Kazuyuki Nishio, and Hideki Masuda, "Intense x-ray generation from laser-produced plasma on nanostructure-array target,'' in Proceedings of the second symposium on advanced photon research, edited by Kansai Research Establishment, JAERI-Conf 2001-011 (Japan Atomic Energy Research Institute, October 2001), pp. 196-199.

17.    Hidetoshi Nakano, Tadashi Nishikawa, and Naoshi Uesugi, "Efficient x-ray pulse generation from femtosecond-laser-produced plasma and its application to time-resolved spectroscopy,'' in ROMOPTO 2000: Sixth Conference on Optics, edited by Valentin I. Vlad, Proceedings of SPIE Vol. 4430 (The Society of Photo-Optical Instrumentation Engineers, June 2001), pp. 5-13. [Invited]

16.    Hidetoshi Nakano, Tadashi Nishikawa, Naoshi Uesugi, J. Limpouch, and A. A. Andreev, "Femtosecond laser-produced plasmas as x-ray sources,'' in ECLIM 2000: 26th European Conference on Laser Interaction with Matter, edited by Milan Kálal, Karel Rohlena, and Milan Sinor, Proceedings of SPIE Vol. 4424 (The Society of Photo-Optical Instrumentation Engineers, April 2001), pp. 456-462.

15.    Hidetoshi Nakano, Peixiang Lu, Tadashi Nishikawa, and Naoshi Uesugi, "X-ray short-pulse generation from femtosecond laser-produced plasmas and its application in pump-probe spectroscopy,'' in Laser Optics 2000: Ultrafast Optics and Superstrong Laser Fields, edited by Alexander A. Andreev and Vladimir E. Yashin, Proceedings of SPIE Vol. 4352 (The Society of Photo-Optical Instrumentation Engineers, March 2001), pp. 175-182.

14.    Peixiang Lu, Hidetoshi Nakano, Tadashi Nishikawa, and Naoshi Uesugi, "XUV Emissions from Terawatt Femtosecond Laser Produced Plasma Columns in Gases,'' in Frontiers of Laser Physics and Quantum Optics, Proceedings of the International Conference on Laser Physics and Quantum Optics, edited by Zhizhan Xu, Shengwu Xie, Shi-Yao Zhu, and Marlan O. Schlly, (Springer, May 2000), pp. 387-392.

13.    Hidetoshi Nakano, Peixiang Lu, Tadashi Nishikawa, and Naoshi Uesugi, "Generation of short x-ray pulse from femtosecond laser-produced plasma and its application,'' in Frontiers of Laser Physics and Quantum Optics, Proceedings of the International Conference on Laser Physics and Quantum Optics, edited by Zhizhan Xu, Shengwu Xie, Shi-Yao Zhu, and Marlan O. Schlly, (Springer, May 2000), pp. 139-148.

12.    Tadashi Nishikawa, Hidetoshi Nakano, and Naoshi Uesugi, "Target surface structure effects on x-ray generation from laser produced plasma,'' in Proceedings of the first symposium on advanced photon research, edited by Kansai Research Establishment, JAERI-Conf 2000-006 (Japan Atomic Energy Research Institute, March 2000), pp. 321-324.

11.    Hidetoshi Nakano, Peixiang Lu, Tadashi Nishikawa, and Naoshi Uesugi, "Time-resolved absorption spectroscopy of optically pumped Si by using fs-laser plasma x-ray,'' in Proceedings of the first symposium on advanced photon research, edited by Kansai Research Establishment, JAERI-Conf 2000-006 (Japan Atomic Energy Research Institute, March 2000), pp. 309-312.

10.    Peixiang Lu, Hidetoshi Nakano, Tadashi Nishikawa, and Naoshi Uesugi, "Commercial terawatt femtosecond laser-driven tabletop x-ray lasers in gases,'' in High-Power Lasers in Energy Engineering, edited by K. Mima, G. L. Kulcinski, and W. Hogan, Proceedings of SPIE Vol. 3886 (The Society of Photo-Optical Instrumentation Engineers, January 2000), pp. 294-305.

9.      Peixiang Lu, Hidetoshi Nakano, Tadashi Nishikawa, and Naoshi Uesugi, "Soft x-ray laser in low-charged nitrogen ions by optical-field-induced ionization,'' in Proceedings of the international conference on LASERS '98, edited by V. J. Corcoran and T. A. Goldman, (STS Press, McLEAN,VA, 1999), pp. 447-453.

8.      Tadashi Nishikawa, Hidetoshi Nakano, and Naoshi Uesugi, "Enhancement of soft x-ray emission from femtosecond laser-produced plasma with a rectangular groove target,'' in X-ray Lasers 1998, edited by Y. Kato, H. Takuma, and H. Daido, Inst. Phys. Conf. Ser. 159, (Institute of Physics Publishing, Bristol and Philadelphia, April 1999), pp. 539-542.

7.      Hidetoshi Nakano, Peixiang Lu, Tadashi Nishikawa, and Naoshi Uesugi, "Prepulse effects on x-ray emission in keV and sub-keV ranges from Al plasma produced by femtosecond Ti:sapphire laser pulses,'' in X-ray Lasers 1998, edited by Y. Kato, H. Takuma, and H. Daido, Inst. Phys. Conf. Ser. 159, (Institute of Physics Publishing, Bristol and Philadelphia, April 1999), pp. 535-538.

6.      Peixiang Lu, Hidetoshi Nakano, Tadashi Nishikawa, and Naoshi Uesugi, "Design of a 1TW/100fs-laser-driven Ne-like S x-ray laser at 60.8nm,'' in X-ray Lasers 1998, edited by Y. Kato, H. Takuma, and H. Daido, Inst. Phys. Conf. Ser. 159, (Institute of Physics Publishing, Bristol and Philadelphia, April 1999), pp. 159-162.

5.      Hidetoshi Nakano, Tadashi Nishikawa, and Naoshi Uesugi, "Cluster effects in soft x-ray pulse generation from femtosecond-laser-produced plasma on a metal-doped glass target,'' in Applications of X Rays Generated from Lasers and Other Bright Sources, Proceedings of the SPIE Vol. 3157, (The Society of Photo-Optical Instrumentation Engineers, October 1997), pp. 22-30.

4.      Naoshi Uesugi, Hidetoshi Nakano, and Tadashi Nishikawa, "Enhancement of X-ray generation yield from femtosecond laser produced plasma,'' in JSPE Proceedings of the Second U.S.-Japan Workshop on Soft X-ray Optics: Technical Challenges, Edited by Takeshi Namioka, Hiroo Kinoshita, and Kazuhiko Ito, (The Japan Society for Precision Engineering, January 1997), pp. 111-119.

3.      Hidetoshi Nakano, Tadashi Nishikawa, and Naoshi Uesugi, "Debris reduction in laser-produced plasma x-ray generation using metal-doped glass target,'' in JSPE Proceedings of the Second U.S.-Japan Workshop on Soft X-ray Optics: Technical Challenges, Edited by Takeshi Namioka, Hiroo Kinoshita, and Kazuhiko Ito, (The Japan Society for Precision Engineering, January 1997), pp. 469-476.

2.      Hidetoshi Nakano, Tadashi Nishikawa, Hyeyoung Ahn, and Naoshi Uesugi, "Dependence of x-ray yield from aluminum plasma produced by a pair of femtosecond Ti:sapphire laser pulses on pulse time separation,'' in Laser interaction and related plasma phenomena, edited by Sadao Nakai and George H. Miley, AIP Conference Proceedings 369 Part One, (American Institute of Physics, New York, August 1996), pp. 666-671.

1.      Naoshi Uesugi, Hidetoshi Nakano, Tadashi Nishikawa, and Hyeyoung Ahn, "X-ray generation from metal plasma produced by high power femtosecond Ti-Al₂O₃ laser,'' in Proceedings of the 4th workshop on energy quality and control of charged particle systems, edited by Research group for charged particle systems, JAERI-memo 07-013 (Japan atomic energy research institute, 1995), pp. 142-149.