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Koji Sugioka

Koji Sugioka

Unit Leader
RIKEN Center for Advanced Photonics


Koji Sugioka received his B. S., Ms. Eng., and Dr. Eng. Degrees in electronics from Waseda University (Japan) in 1984, 1986, 1993, respectively. He Joined RIKEN in 1986 and is currently a Unit Leader of RIKEN-SIOM Joint Research Unit at RIKEN Center for Advanced Photonics. He is also a guest professor at Tokyo University of Science since 2006 and Tokyo Denki University since 2004. Dr. Sugioka has achieved numerous significant research and development results, and is worldwide recognized as one of the most distinguished and influential scientists in the area of laser micro and nano processing. He has made important contribution to both fundamental researches on laser-matter interactions and diverse applications including practical use in the said area. He is internationally renowned for his works on laser doping, laser etching, laser surface modification, laser-induced selective metallization, microfabrication of transparent materials, VUV laser processing, laser surface nanostructuring, and 3D micro and nano fabrication. In particular, he is known as a leading scientist in the ultrafast laser processing technology. His current research interests include ultrafast laser processing for microfluidic, optofluidic, microelectronic and optoelectronic applications. He is currently a member of the board of directors of the Laser Institute of America (LIA) and Japanese Laser Processing Society (JLPS), and an SPIE Fellow. He is an author and co-author of 14 invited papers in international journals with referee system and over 160 peer-reviewed journal articles. He also published 2 books and 8 chapters in English and 24 chapters in Japanese and edited 2 international books and 4 Japanese books. He holds 16 licensed patents in the field of optics and laser applications. He received 11 awards for his achievements in laser materials processing, and gave 8 plenary talks, 3 keynote talks, 9 tutorial lectures and more than 110 invited talks at the international conferences. He was also invited to give lectures at a large number of academic and industrial organizations. He served as a chair, co-chair, and committee member of numerous international conferences related to lasers and laser applications. In particular, he is known as one of founders of International Symposium on Laser Precision Microfabrication (LPM). He is also editor-in-chief of Journal of the Laser Micro/Nanoengineering (JLMN).

Research Interest