E. J. Takahashi, T. Kanai, K. L. Ishikawa, Y. Nabekawa, and K. Midorikawa: "Coherent Water Window X Ray by Phase-Matched High-Order Harmonic Generation in Neutral Media", Phys. Rev. Lett. vol.101, pp.253901/1-4, 2008.

S. Bohman, A. Suda, M. Kaku, M. Nurhuda, T. Kanai , S. Yamaguchi, and K. Midorikawa: "Generation of 5 fs, 0.5 TW pulses focusable to relativistic intensities at 1 kHz", Opt. Exp., vol.16, no.14, pp.16684-16689, 2008.

T. Kanai, S. Bohman, A. Suda, S. Yamaguchi, and K. Midorikawa: "Development of a pointing and power stabilization system for intense few-cycle lasers", Rev. Laser Eng. Supple. Vol., pp.1109-1112, 2008.

K. Isobe, A. Suda, M. Tanaka, F. Kannari, H. Kawano, H. Mizuno, A. Miyawaki, and K. Midorikawa: "Fourier-transform spectroscopic technique for multi-spectral nonlinear microscopy using a 5-fs broadband light source", Rev. Laser Eng. Suppl. Vol., pp.1335-1338, 2008.

Jianfang Chen, A. Suda, E.J. Takahashi, M. Nurhuda, and K. Midorikawa: "Compression of intense ultrashort laser pulses in a gas-filled planar waveguide", Opt. Lett., vol.33, no.24, pp.2992-2994, 2008.

Y. Hanada, K. Sugioka, and K. Midorikawa: "Selective metallization of photostructurable glass by femtosecond laser direct writing for biochip application", Appl. Phys. A, vol.90, no.4, pp.603-607, 2008.

T. Okino, K. Yamanouchi, T. Shimizu, R. Ma, Y. Nabekawa, and K. Midorikawa: "Attosecond nonlinear Fourier transformation spectroscopy of CO2 in extreme ultraviolet wavelength region", J. Chem .Phys. 129, 161103/1-4, 2008.

Takuya Kanai, A. Suda, S. Bohman, M. Kaku, S. Yamaguchi, and K. Midorikawa: "Pointing stabilization of a high-repetition-rate high-power femtosecond laser for intense few-cycle pulse generation", Appl. Phys. Lett., vol.92, no.6, pp.061106/1-3, 2008.

Y. Hanada, K. Sugioka, H. Kawano, I. Ishikawa, A. Miyawaki, and K. Midorikawa: "Nano-aquarium for dynamic observation of living cells fabricated by femtosecond laser direct writing of photostructurable glass", Biomedical Microdevices, vol.10, pp.403-410, 2008.

A. Hishikawa, A. Matsuda, E. J. Takahashi, and M. Fushitani: "Acetylene-vinylidene isomerization in ultrashort intense laser fields studied by triple-ion coincidence momentum imaging", J. Chem. Phys., vol.128, p.084302, 2008.

Z. Zhou, J. Xu, Y. Cheng, Z. Xu, K. Sugioka, and K. Midorikawa: "Surface-enhanced Raman scattering substrate fabricated by femtosecond laser direct writing", Jpn. J. Appl. Phys., vol.47, no.1, pp. 189-192, 2008.

Y. Nabekawa, and K. Midorikawa: "Interferometric autocorrelation of an attosecond ulse train calculated using feasible formulae", New J. Phys.(Web), vol.10, no.2, p.025034/1-25, 2008.

T. Kanai, E. J. Takahashi, Y. Nabekawa, and K. Midorikawa: "Observing attosecond dynamics of nuclear wavepackets in molecules by using high harmonic generation in mixed gases", New J. Phys.(Web), vol.10, no.2, p.025036/1-8, 2008.

M. Nurhuda, A. Suda, and K. Midorikawa: "Generalization of the Kerr effect for high intensity, ultrashort laser pulses", New J. Phys. (Web), vol.10, 053006/1-10, 2008.

S. Bohman, A. Suda, M. Kaku, M. Nurhuda, T. Kanai, S. Yamaguchi, and K. Midorikawa: "Generation of 5 fs, 0.5 TW pulses focusable to relativistic intensities at 1 kHz ", Opt. Exp., vol.16, no.14, pp.10684-10689, 2008.

S. Minemoto, T. Kanai, and H. Sakai: "Alignment dependence of the structural deformation of CO2 molecules in an intense femtosecond laser field", Phys. Rev. A, vol.77, no.4, 041401(R), 2008.

T. Kanai, E. J. Takahashi, Y. Nabekawa, and K. Midorikawa: "Observing molecular structures by using high-order harmonic generation in mixed gases", Phys. Rev. A, vol.77, no.4, 041402(R), 2008.

K. Isobe, A. Suda, M. Tanaka, F. Kannari, H. Kawano, H. Mizuno, A. Miyawaki, and K. Midorikawa: "Fourier-transform spectroscopy combined with a 5-fs broadband pulse for multispectral nonlinear microscopy ", Phys. Rev. A, vol.77, no.6, pp.063832/1-13, 2008.

K. Midorikawa and Y. Nabekawa: "Nonlinear multiphoton process in the xuv region and its application to autocorrelation measurement", Progress in Ultrafast Intense Laser Science III, Springer Series in Chemical Physics 89, pp.207-218, 2008.

E. J. Takahashi, T. Kanai, and K. Midorikawa: "High-order harmonic generation by using mixed gases target : Measurement and control of ultrafast attosecond dynamics", Rev. Laser Eng., vol.36, no.1, pp.5-11 2008(in Japanese).

Y. Matsuo, M. Nishimura, T. Kobayashi, T. Kato, Y. Oho, T. Sano, J. Kawai, and Y. Hayashizaki: "“Substrate Dependence of Ion Motion in Femtosecond Laser Ablation Cloud Observed by Planar Laser-Induced Fluorescence", Appl. Phys. A, vol.92, pp.993-997, 2008.

T. Kobayashi, T. Kato, Y. Matsuo, M. Nishimura, Y. Hayashizaki, and J. Kawai: "“Temporal pulsewidth and the wavelength dependences of the product ions obtained by laser ablation of solid C60", Appl. Phys. A, vol.92, pp.777-780, 2008.

M. Nishimura, Y. Matsuo, T. Kobayashi, T. Kato, Y. Hayashizaki, and J. Kawai: "“Comparison of Plume Expansion in Femtosecond Laser Ablation on Oxidized and non-Oxidized Sm Surface", Appl. Phys. A, vol.92, pp.1047-1050, 2008.

T. Kobayashi, T. Kato, Y. Matsuo, M. Nishimura, Y. Hayashizaki , and J. Kawai: "“Observation of the matrix effect due to the electron transfer in laser ablation plasma", Appl. Phys. A, vol.92, pp.817-819, 2008.

T. Furukawa, Y. Matsuo, A. Hatakeyama, T. Ito, K. Fujikake, T. Kobayashi, and T. Shimoda: "“Hyperfine structure of $^{85,87}$Rb and $^{133}$Cs atoms in superfluid helium", Proceedings of International Nuclear Physics Conference (INPC2007), pp.624-626, 2008.

T. Kato, M. Nishimura, T. Kobayashi, Y. Oho, T. Sano, Y. Hayashizaki , Y. Matsuo, and J. Kawai: "“Ion extraction from the surface ablated materials in electric fields using an intense femtosecond laser pulse", Appl. Phys. A, vol.92, pp. 809-812, 2008.