Zobrazeno 1 - 10
of 69
pro vyhledávání: '"Akira, Kon"'
Autor:
Nicholas P. Dover, Tim Ziegler, Stefan Assenbaum, Constantin Bernert, Stefan Bock, Florian-Emanuel Brack, Thomas E. Cowan, Emma J. Ditter, Marco Garten, Lennart Gaus, Ilja Goethel, George S. Hicks, Hiromitsu Kiriyama, Thomas Kluge, James K. Koga, Akira Kon, Kotaro Kondo, Stephan Kraft, Florian Kroll, Hazel F. Lowe, Josefine Metzkes-Ng, Tatsuhiko Miyatake, Zulfikar Najmudin, Thomas Püschel, Martin Rehwald, Marvin Reimold, Hironao Sakaki, Hans-Peter Schlenvoigt, Keiichiro Shiokawa, Marvin E. P. Umlandt, Ulrich Schramm, Karl Zeil, Mamiko Nishiuchi
Publikováno v:
Light: Science & Applications, Vol 12, Iss 1, Pp 1-12 (2023)
High energy ions were accelerated by extreme space charge fields induced during relativistic transparency and optimised by tuning the target thickness to the individual laser parameters
Externí odkaz:
https://doaj.org/article/d07102169ff04415a252267576a520a2
Autor:
Igor Yu. Skobelev, Sergey N. Ryazantsev, Roman K. Kulikov, Maksim V. Sedov, Evgeny D. Filippov, Sergey A. Pikuz, Takafumi Asai, Masato Kanasaki, Tomoya Yamauchi, Satoshi Jinno, Masato Ota, Syunsuke Egashira, Kentaro Sakai, Takumi Minami, Yuki Abe, Atsushi Tokiyasu, Hideki Kohri, Yasuhiro Kuramitsu, Youichi Sakawa, Yasuhiro Miyasaka, Kotaro Kondo, Akira Kon, Akito Sagisaka, Koichi Ogura, Alexander S. Pirozhkov, Masaki Kando, Hiromitsu Kiriyama, Tatiana A. Pikuz, Yuji Fukuda
Publikováno v:
Photonics, Vol 10, Iss 11, p 1250 (2023)
The generation of highly charged ions in laser plasmas is usually associated with collisional ionization processes that occur in electron–ion collisions. An alternative ionization channel caused by tunnel ionization in an optical field is also capa
Externí odkaz:
https://doaj.org/article/87d970d43b794b818e4610baef93d1c6
Autor:
Hiromitsu Kiriyama, Yasuhiro Miyasaka, Akira Kon, Mamiko Nishiuchi, Akito Sagisaka, Hajime Sasao, Alexander S. Pirozhkov, Yuji Fukuda, Koichi Ogura, Kotaro Kondo, Nobuhiko Nakanii, Yuji Mashiba, Nicholas P. Dover, Liu Chang, Masaki Kando, Stefan Bock, Tim Ziegler, Thomas Püschel, Hans-Peter Schlenvoigt, Karl Zeil, Ulrich Schramm
Publikováno v:
Photonics, Vol 10, Iss 9, p 997 (2023)
We described the output performance and temporal quality enhancement of the J-KAREN-P petawatt laser facility. After wavefront correction using a deformable mirror, focusing with an f/1.3 off-axis parabolic mirror delivered a peak intensity of 1022 W
Externí odkaz:
https://doaj.org/article/973800b507874d6c9ea54a9afb95fe9f
Autor:
Lisa Randolph, Mohammadreza Banjafar, Thomas R. Preston, Toshinori Yabuuchi, Mikako Makita, Nicholas P. Dover, Christian Rödel, Sebastian Göde, Yuichi Inubushi, Gerhard Jakob, Johannes Kaa, Akira Kon, James K. Koga, Dmitriy Ksenzov, Takeshi Matsuoka, Mamiko Nishiuchi, Michael Paulus, Frederic Schon, Keiichi Sueda, Yasuhiko Sentoku, Tadashi Togashi, Michael Bussmann, Thomas E. Cowan, Mathias Kläui, Carsten Fortmann-Grote, Lingen Huang, Adrian P. Mancuso, Thomas Kluge, Christian Gutt, Motoaki Nakatsutsumi
Publikováno v:
Physical Review Research, Vol 4, Iss 3, p 033038 (2022)
Observing ultrafast laser-induced structural changes in nanoscale systems is essential for understanding the dynamics of intense light-matter interactions. For laser intensities on the order of 10^{14}W/cm^{2}, highly collisional plasmas are generate
Externí odkaz:
https://doaj.org/article/7608e9a8c2a54acfa105aa6da5865677
Autor:
Masahiko Ishino, Thanh-Hung Dinh, Shigeki Owada, Yasunari Maekawa, Masaharu Nishikino, Yuichi Inubushi, Hiroki Yamamoto, Yuya Kubota, Yuji Hosaka, Akira Kon
Publikováno v:
Advances in Patterning Materials and Processes XL.
Autor:
Hiromitsu Kiriyama, Alexander S. Pirozhkov, Mamiko Nishiuchi, Yuji Fukuda, Akito Sagisaka, Akira Kon, Yasuhiro Miyasaka, Koichi Ogura, Nicholas P. Dover, Kotaro Kondo, Hironao Sakaki, James K. Koga, Timur Zh. Esirkepov, Kai Huang, Nobuhiko Nakanii, Masaki Kando, Kiminori Kondo, Stefan Bock, Tim Ziegler, Thomas Püschel, Karl Zeil, Ulrich Schramm
Publikováno v:
Crystals, Vol 10, Iss 9, p 783 (2020)
Ultra-high intensity femtosecond lasers have now become excellent scientific tools for the study of extreme material states in small-scale laboratory settings. The invention of chirped-pulse amplification (CPA) combined with titanium-doped sapphire (
Externí odkaz:
https://doaj.org/article/f290c12aa4ad41118d05d6dbfca0dcfc
Autor:
Stefan Bock, Franziska Marie Herrmann, Thomas Püschel, Uwe Helbig, René Gebhardt, Jakob Johannes Lötfering, Richard Pausch, Karl Zeil, Tim Ziegler, Arie Irman, Thomas Oksenhendler, Akira Kon, Mamiko Nishuishi, Hiromitsu Kiriyama, Kiminori Kondo, Toma Toncian, Ulrich Schramm
Publikováno v:
Crystals, Vol 10, Iss 9, p 847 (2020)
We report on a new approach to measure the accumulated B-integral in the regenerative and multipass amplifier stages of ultrashort-pulse high-power laser systems by B-integral-induced coupling between delayed test post-pulses and the main pulse. A nu
Externí odkaz:
https://doaj.org/article/16042987e30741149200934200151a17
Autor:
Akira Kon, Mamiko Nishiuchi, Hiromitsu Kiriyama, Masaki Kando, Stefan Bock, Tim Ziegler, Thomas Pueschel, Karl Zeil, Ulrich Schramm, Kiminori Kondo
Publikováno v:
Crystals, Vol 10, Iss 8, p 657 (2020)
In this study, a detailed investigation of the dynamics of the generation of pre-pulse by post-pulses is presented, using single-shot self-referenced spectral interferometry (SRSI). The capability of SRSI in terms of the single-shot measurement of th
Externí odkaz:
https://doaj.org/article/0e28c16191164ad7952d3ddb67ee25c0
Autor:
Yuji, Hosaka, Hiroki, Yamamoto, Masahiko, Ishino, Dinh, Thanhhung, Masaharu, Nishikino, Akira, Kon, Shigeki, Owada, Yuichi, Inubushi, Yuya, Kubota, Yasunari, Maekawa
Publikováno v:
Journal of photopolymer Science and Technology. 34(1):95-98
Irradiation effects of PMMA induced by femtosecond-pulsed extreme ultraviolet (EUV) were investigated using Soft X-ray free electron laser (SXFEL) for realization of next generation lithography. The sensitivity of PMMA upon exposure to femtosecond-pu
Autor:
Tatsunori, Shibuya, Kazuyuki, Sakaue, Hiroshi, Ogawa, Daisuke, Satoh, Dinh, Thanhhung, Masahiko, Ishino, Masahito, Tanaka, Masakazu, Washio, Takeshi, Higashiguchi, Masaharu, Nishikino, Akira, Kon, Yuya, Kubota, Yuichi, Inubushi, Shigeki, Owada, Yohei, Kobayashi, Ryunosuke, Kuroda
Publikováno v:
Optics Express. 29(21):33121-33133
Although laser irradiation with femtosecond pulses is known to generate crystallization and morphological changes, the contribution of optical parameters to material changes is still in discussion. Here, we compare two structures irradiated near Si