K. Oguri, T. Nishikawa,
T. Ozaki, and H. Nakano
" Sampling measurement of soft x-ray-pulse shapes using femtosecond sequential ionization of Kr+ in an intense laser field"to be published in Opt. Lett.
 K. Oguri, T. Ozaki, T. Nishikawa, and H. Nakano
"Femtosecond-resolution measurement of soft x-ray pulse duration using ultra-fast population increase of singly charged ions induced by optical-field ionization"Appl. Phys. B 78, 157 (2004)
 T. Nishikawa, K. Oguri, S. Suzuki, Y. Watanabe, O. Zhou, and H. Nakano
"Enhanced water-window x-ray pulse generation from femtosecond-laser-produced plasma
with a carbon nanotube target"Jpn. J. Appl. Phys. 42 L990 (2003)
 J. Q. Lin, H. Nakano, T. Nishikawa, T. Ozaki, and K. Oguri
"Guiding of high-intensity femtosecond laser pulses in evacuated and gas-filled capillaries"
Opt. Comm. 221 411 (2003)
 T. Ozaki, K. Oguri, T. Nishikawa, and H. Nakano
"Characterization of surface plasma in surface harmonic experiments using satellite structures in the reflected pump spectrum"X-RAY LASERS 2002, AIP Conf. Proc. 641, 455 (2002)
 H. Nakano, T. Nishikawa, K. Oguri, and N. Uesugi
"Time-resolved absorption spectroscopy using femtosecond laser-produced plasma x-rays"
Proc. Soc. Photo-Opt. Instrum. Eng. 4762, 83 (2002)
 K. Oguri, H. Nakano, T. Nishikawa, and N. Uesugi
"Cross-correlation measurement of ultrashort soft x-ray pulse emitted from femtosecond laser-produced plasma using optical field-induced ionization"Appl. Phys. Lett. 79, 4506 (2001)
 K. Oguri, H. Nakano, T. Nishikawa, and N. Uesugii
"Ultrashort soft-X-ray pulse-shape measurement using optical field ionization dynamics in noble gas"
Proc. Soc. Photo-opt. Instrum. Eng. 4504, 34 (2001)
 T. Nishikawa, H. Nakano, K. Oguri, M. Nakao, K. Nishio, and H. Masuda
"Nanocylinder-array strucuture greatly increases the soft soft X-ray intensity generated from femtosecond-laser-produced plasma"Appl. Phys. B. 73, 185 (2001)
 K. Oguri, N. Funamori, T. Uchida, N. Miyajima, T. Yagi, and K. Fujino
"Post-garnet transition in a natural pyrope: a multi-anvil study based on in situ X-ray diffraction and transmission electron microscopy"Phys. Earth Planet. Inter. 122, 175 (2000)
 Katsuya Oguri, Nobumasa Funamori, Fumiko Sakai, Tadashi Kondo, Takeyuki Uchida, and Takehiko Yagi "High-pressure and high-temperature phase relations in diopside
CaMgSi2 O6 "Phys. Earth Planet. Inter. 104, 363 (1997)