E. J. Takahashi, Y. Nabekawa, M. Nurhuda, and K. Midorikawa, "Generation of high-energy high-order harmonics by use of a long interaction medium," J. Opt. Soc. Am. B-Optical Phys, vol.20, pp. 158-165, 2003.

Y. Nabekawa and K. Midorikawa, "Broadband sum frequency mixing using noncollinear angularly dispersed geometry for indirect phase control of sub-20-femtosecond UV pulses," Opt. Exp, vol.11, no.4, pp.324-338. 2003.

M. Hatayama, A. Suda, M. Nurhuda, K. Nagasaka, and K. Midorikawa, "Spatiotemporal dynamics of high-intensity femtosecond laser pulses propagating in argon," J. Opt. Soc. Am. B-Optical Phys, vol.20, pp. 603-608, 2003.

Y. Cheng a, K. Sugioka, K. Midorikawa, M. Masuda, K. Toyoda, M. Kawachi, and K. Shihoyama "Control of the cross-sectional shape of a hollow microchannel embedded in photostructurable glass by use of a femtosecond laser," Opt. Lett., vol.28, pp. 55-57, 2003.

M. Masuda, K. Sugioka, Y. Cheng, N. Aoki, M. Kawachi, K. Shihoyama,K. Toyoda, H. Helvajian, and K. Midorikawa, "3D microstructuring inside photosensitive glass by femtosecond laser excitation," Appl. Phys. A (Materials Science Processing), vol.76, pp. 857-860, 2003.

M. Masuda, K. Sugioka, Y. Cheng, N. Aoki, M. Kawachi, K. Shihoyama,K. Toyoda, K. Midorikawa, "3D microfabrication in photosensitive glass by femtosecond laser," SPIE-Int. Soc. Opt. Eng. Proceedings of Spie - the International Society for Optical Engineering, vol.4830, pp. 576-580. 2003.

Y. Cheng, K. Sugioka, M. Masuda, M. Kawachi, K. Shihoyama, K. Toyoda, and K. Midorikawa, "Advanced irradiation methods of femtosecond laser for embedded microfabrication of transparent materials," SPIE-Int. Soc. Opt. Eng. Proceedings of Spie- the International Society for Optical Engineering, vol.4830, pp. 479-483. 2003.

K. Obata, K. Sugioka, T. Kono, H. Takai, K. Toyoda, and K. Midorikawa, "High-speed and efficient control of refractive index change of fused silica by multiwavelength excitation process using F₂ and KrF excimer lasers," SPIE-Int. Soc. Opt. Eng. Proceedings of Spie - the International Society for Optical Engineering, vol.4830, pp. 373-378, 2003.

H. Kumagai, Y. Asakawa, T. Iwane, K. Midorikawa, and M Obara, "Efficient frequency doubling of 1 W continuous-wave Ti:sapphire laser with a robust high-finesse external cavity," Appl. Opt, vol.42, pp. 1036-1039, 2003.

Y. Asakawa, H. Kumagai, K. Midorikawa, M Obara, "50% frequency doubling efficiency of 1.2-W cw Ti:sapphire laser at 746 nm," Opt. Commu., vol.217, pp. 311-315, 2003.

H. Kumagai, Cho Sung-Hak, K. Ishikawa, K. Midorikawa, M. Fujimoto, Shin-ichiro Aoshima, and Y. Tsuchiya, " Observation of the complex propagation of a femtosecond laser pulse in a dispersive transparent bulk material," J. Opt. Soc. Am. B-Opt. Phys, vol.20, pp. 597-602, 2003.

Cho S-H, H. Kumagai, and K. Midorikawa, "In situ observation of dynamics of plasma self-channeling and bulk modification in silica glasses induced by a high-intensity femtosecond laser," Appl. Phys. A (Materials Science Processing), vol.A76d, pp. 755-761, 2003.

H Kumagai, Y Asakawa, K. Midorikawa, and M. Obara, "Toward nano-process applications with laser-cooled silicon atoms," SPIE-Int. Soc. Opt. Eng. Proceedings of Spie - the International Society for Optical Engineering, vol.4830, pp. 218-221, 2003.

Cho Sung-Hak, H. Kumagai, and K. Midorikawa, "In situ observation of dynamics of plasma formation and refractive index modification in silica glasses excited by a femtosecond laser," SPIE-Int. Soc. Opt. Eng. Proceedings of Spie - the International Society for Optical Engineering, vol.4830, pp. 557-566, 2003.

H. Mashiko, A. Suda, and K. Midorikawa, "All-reflective interferometric autocorrelator for the measurement of ultra-short optical pulses," Appl. Phys. B-Lasers & Opt, vol.B76, pp. 525-530, 2003.

K. Sugioka, K Obata, MH Hong, DJ Wu, LL Wong, YF Lu, TC Chong, and K. Midorikawa, "Hybrid laser processing for microfabrication of glass," Appl. Phys. A (Materials Science Processing), vol.77, pp. 251-257, 2003.

V Tosa, E Takahashi, Y. Nabekawa, and K. Midorikawa, "Generation of high-order harmonics in a self-guided beam," Phys. Rev. A, vol.67, pp. 63817/1-4, 2003.

M. Nurhuda, A. Suda, K. Midorikawa, M. Hatayama, and K. Nagasaka, "Propagation dynamics of femtosecond laser pulses in a hollow fiber filled with argon: constant gas pressure versus differential gas pressure," J. Opt. Soc. Am. B-Opt. Phys, vol.20, pp. 2002-2011, 2003.

IG Koprinkov, A. Suda, and K. Midorikawa, "Tunable narrowband quasi-modeless laser," Opt. Commu., vol.225, pp. 371-376, 2003.

Y. Cheng, K. Sugioka, K. Midorikawa, M. Masuda, K. Toyoda, M. Kawachi, and K. Shihoyama, "Three-dimensional micro-optical components embedded in photosensitive glass by a femtosecond laser," Opt. Lett., vol.28, pp. 1144-1146, 2003.

Cho Sung-Hak, H Kumagai, and K. Midorikawa, "Fabrication of multi-core structures in an optical fiber using plasma self-channeling," Opt. Exp, vol.11, no.15, pp. 1780-1786, 2003.

Y. Cheng, K. Sugioka, M. Masuda, K. Shihoyama, K. Toyoda, and K. Midorikawa, "Optical gratings embedded in photosensitive glass by photochemical reaction using a femtosecond laser," Opt. Exp, vol.11, no.15, pp. 1809-1816, 2003.

Y. Nabekawa, and K. Midorikawa, "High-order pulse front tilt caused by high-order angular dispersion," Opt. Exp, vol.11, no.25, pp. 3365-3376, 2003.

K. Sugioka, K Obata, Y. Cheng, and K. Midorikawa, "Advanced laser processing of glass materials," SPIE-Int. Soc. Opt. Eng. Proceedings of Spie - the International Society for Optical Engineering, vol.5121, pp. 232-242, 2003.

Y. Cheng, K. Sugioka, M. Masuda, K. Midorikawa, M. Kawachi, K. Shihoyama, and K. Toyoda, "3D microstructuring inside photosensitive glass by use of a femtosecond laser for lab-on-chip applications," SPIE-Int. Soc. Opt. Eng. Proceedings of Spie - the International Society for Optical Engineering, vol.4977, pp. 314-323, 2003.

M. Masuda, K. Sugioka, Y. Cheng, T Hongo, K. Shihoyama, H Takai, I Miyamoto, and K. Midorikawa, "Fabrication of 3-D microreactor structures embedded in photosensitive glass by femtosecond laser," Digest of Papers Microprocesses and Nanotechnology 2003. 2003 International Microprocesses and Nanotechnology Conference. Japan Soc. of Appl. Phys. 2003, pp. 198-199. Tokyo, Japan.

H Kumagai, K. Midorikawa, T Iwane, and M Obara, "Efficient sum-frequency generation of continuous-wave single-frequency coherent light at 252 nm with dual wavelength enhancement," Opt. Lett., vol.28, pp. 1969-1971,2003.

K Obata, K. Sugioka, T Inamura, H Takai, K. Toyoda, and K. Midorikawa, "Dynamics study of multiwavelength excitation process using F₂ and KrF excimer lasers," SPIE-Int. Soc. Opt. Eng. Proceedings of Spie -the International Society for Optical Engineering, vol.4977, pp. 10-15, 2003.

E. J. Takahashi, V. Tosa, Y. Nabekawa, and K. Midorikawa, "Experimental and theoretical analyses of a correlation between pump-pulse propagation and harmonic yield in a long-interaction medium," Phys. Rev. A, vol.68, pp. 023808/1-13, 2003.

C. Altucci, R. Bruzzese, C. de Lisio, M. Nisoli, E. Priori , S. Stagira, M. Pascolini, L. Poletto, P. Villoresi, V. Tosa, K. Midorikawa, "Phase-matching analysis of high-order harmonics generated by truncated Bessel beams in the sub-10-fs regime," Phys. Rev. A, vol.68, pp. 033806/1-14, 2003.

I.-W. Park, H. Ju, A. Avilov, E. K. Koh, S.-H. Cho, H. Kumagai, and K. Midorikawa, "An irrecoverable change in the refractive index of plasma self-channeled silica fibers caused by femtosecond optical pulses," Appl. Phys. Lett., vol.83, pp. 656-658, 2003.

H. Kawano, Y. Nabekawa, A. Suda, Y. Ohishi, H. Mizuno, A. Miyawaki, and K. Midorikawa, "Attenuation of photobleaching in two-photon excitation fluorescence from green fluorescent protein with shaped excitation pulses," Biochem. Biophys. Res. Commun., vol.311, pp. 592-596, 2003.

K. Sugioka, K. Obata, K. Midorikawa, M. H. Hong, D. J. Wu, L. L. Wong, Y. Y. Lu, and T. C. Chong, "Advanced materials processing based on interaction of laser beam and a medium," J. Photochem. Photobiol., A, vol.1 58, pp. 171-178, 2003.

M. Hong, K. Sugioka, D. J. Wu, K. J. Chew, Y.F. Lu, K. Midorikawa, and T. Chong, "Laser-induced-plasma assisted ablation and its applications," Proc. SPIE-Int. Soc. Opt. Eng., vol.1 4830, pp. 408-413, 2003.

D. J. Wu, M. H. Hong, R. Ji, K. D. Ye, S. M. Huang, T. C. Chong, T. C. Ma, K. Sugioka, and K. Midorikawa, "TLaser induced diffusion for glass metallization," Proc. SPIE-Int. Soc. Opt. Eng., vol.1 5063, pp. 30-33, 2003.

M. Masuda, K. Sugioka, Y. Cheng, M. Kawachi, K. Shihoyama, K. Toyoda, and K. Midorikawa, "Fabrication of 3D microreactor structures embedded in photosensitive glass by femtosecond laser," Proc. SPIE-Int. Soc. Opt. Eng., vol.1 5063, pp. 98-102, 2003.

Y. Cheng, K. Sugioka, M. Masuda, K. Shihoyama, K. Toyoda, and K. Midorikawa, "Three-dimensional microoptical components embedded in Foturan glass by femtosecond laser," Proc. SPIE-Int. Soc. Opt. Eng., vol.1 5063, pp. 103-107, 2003.

H. Kumagai, "Challenges toward laser cooling of silicon," IEEE Circuits \& Devices, vol.20, pp. 32-37, 2003.

A. Suda and K. Midorikawa, "Recent progress in high-brightness coherent XUV sources based on high-order harmonic generation," Proc. SPIE-Int. Soc. Opt. Eng., vol. 5120, pp. 275-280, 2003.

H. Kawano, Y. Nabekawa, A. Suda, Y. Ohishi, H. Mizuno, A. Miyawaki, and K. Midorikawa, "Adaptive control of two-photon fluorescence from green fluorescent protein by shaped femtosecond excitation pulses," Proc. SPIE-Int. Soc. Opt. Eng., vol.1 5143, pp. 10-17, 2003.

H. Kawano, A. Suda, K. L. Ishikawa, and K. Midorikawa, "Polarizations of Raman sidebands generated in impulsively stimulated rotational Raman scattering," Ultrafast Phenomena 13, Springer, pp. 226-228, 2003.

K. Sugioka, "3-D micromachining inside glass by femtosecond laser: application to manufacture of microreactor," Optical Alliance, vol. 14, pp. 16-21, 2003(in Japanese).

K. Sugioka, "Microfabrication of glass by advanced laser processing," Ceramics, vol. 38, pp. 880-883, 2003(in Japanese).

T. Okada and K. Sugioka, "Application of laser ablation - the state of the art and future prospects," J. Plasma Fusion Res., vol. 79, pp. 1278-1286, 2003(in Japanese).

Y. Hanada, K. Sugioka, F. Takase, I. Miyamoto, Y. Takai, and K. Midorikawa, "Micromachining of transparent materials by Laser-Induced Plasma-Assisted Ablation(LIPAA)," Reports on the 318th Topical Meeting of The Laser Society of Japan: Laser Technology for 21st Century, pp. 7-12, 2003(in Japanese).