Search Results - "Sakaue, Kazuyuki"

Spectral control of beyond extreme ultraviolet emission from a dual-laser-produced plasma by Kume, Masaki, Sugiura, Tsukasa, Morita, Hiroki, Jiang, Weihua, Sakaue, Kazuyuki, Namba, Shinichi, O'Sullivan, Gerry, Higashiguchi, Takeshi

“…We demonstrated spectral control of beyond extreme ultraviolet (B-EUV) emission at a central wavelength of 6.76 nm from a gadolinium (Gd) laser-produced…”
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Angular distribution separation of the extreme ultraviolet emission and suprathermal ions with energy reduction by Niinuma, Takeru, Sugiura, Tsukasa, Morita, Hiroki, Jiang, Weihua, Sakaue, Kazuyuki, O'Sullivan, Gerry, Namba, Shinichi, Higashiguchi, Takeshi

“…We have demonstrated angular distribution separation of the extreme ultraviolet (EUV) emission and suprathermal ions with a significant energy reduction for…”
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Efficient extreme ultraviolet emission by multiple laser pulses by Sugiura, Tsukasa, Yazawa, Hayato, Morita, Hiroki, Sakaue, Kazuyuki, Nakamura, Daisuke, Takahashi, Eiji J., Sunahara, Atsushi, O'Sullivan, Gerry, Namba, Shinichi, Higashiguchi, Takeshi

“…We demonstrated an efficient extreme ultraviolet (EUV) source at a wavelength of 13.5 nm using spatially separated multiple solid-state-laser pulse…”
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Supercontinuum vector beam generation by independent manipulations of angular polarization and geometric phase by Wakayama, Toshitaka, Shinozaki, Natsumi, Shoji, Misaki, Ishiyama, Takayuki, Sakaue, Kazuyuki, Miura, Taisuke, Ejima, Takeo, Higashiguchi, Takeshi

“…We propose and demonstrate production of a supercontinuum vector beam by independent manipulations of an angular polarization and a geometric phase. The…”
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Study on X-ray enhancement in Laser-Compton scattering for auger therapy by Koshiba, Yuya, Morita, Ryosuke, Yamashita, Koki, Washio, Masakazu, Sakaue, Kazuyuki, Higashiguchi, Takeshi, Urakawa, Junji

“…Monochromatic hard X-rays with high brightness are desired for medical applications including Auger therapy. One can generate such X-rays through laser-Compton…”
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Demonstration of a terahertz pure vector beam by tailoring geometric phase by Wakayama, Toshitaka, Higashiguchi, Takeshi, Sakaue, Kazuyuki, Washio, Masakazu, Otani, Yukitoshi

“…We demonstrate the creation of a vector beam by tailoring geometric phase of left- and right- circularly polarized beams. Such a vector beam with a uniform…”
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Independent contribution of optical attenuation length in ultrafast laser-induced structural change by Shibuya, Tatsunori, Sakaue, Kazuyuki, Ogawa, Hiroshi, Satoh, Daisuke, Dinh, Thanh-Hung, Ishino, Masahiko, Tanaka, Masahito, Washio, Masakazu, Higashiguchi, Takeshi, Nishikino, Masaharu, Kon, Akira, Kubota, Yuya, Inubushi, Yuichi, Owada, Shigeki, Kobayashi, Yohei, Kuroda, Ryunosuke

“…Although laser irradiation with femtosecond pulses is known to generate crystallization and morphological changes, the contribution of optical parameters to…”
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Deep-hole drilling of amorphous silica glass by extreme ultraviolet femtosecond pulses by Shibuya, Tatsunori, Takahashi, Takashi, Sakaue, Kazuyuki, Dinh, Thanh-Hung, Hara, Hiroyuki, Higashiguchi, Takeshi, Ishino, Masahiko, Koshiba, Yuya, Nishikino, Masaharu, Ogawa, Hiroshi, Tanaka, Masahito, Washio, Masakazu, Kobayashi, Yohei, Kuroda, Ryunosuke

“…A free-electron laser (FEL) is a robust tool for studying the interaction of intense X-rays with matter. In this study, we investigate the damage threshold and…”
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Determination of the polarization states of an arbitrary polarized terahertz beam: Vectorial vortex analysis by Wakayama, Toshitaka, Higashiguchi, Takeshi, Oikawa, Hiroki, Sakaue, Kazuyuki, Washio, Masakazu, Yonemura, Motoki, Yoshizawa, Toru, Tyo, J. Scott, Otani, Yukitoshi

“…Vectorial vortex analysis is used to determine the polarization states of an arbitrarily polarized terahertz (0.1–1.6 THz) beam using THz achromatic axially…”
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Generation of coherent THz Cherenkov radiation by electron bunch tilt control by Tadenuma, Yuichi, Sakaue, Kazuyuki, Toida, Tomohiro, Nishida, Mariko, Brameld, Mari, Murakami, Tatsuki, Yanagisawa, Ryo, Washio, Masakazu, Kuroda, Ryunosuke

“…We propose a new method that generates coherent Cherenkov radiation by controlling the tilt of the electron bunch. In this scheme, the wavelength band of…”
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Generation of radially polarized high energy mid-infrared optical vortex by use of a passive axially symmetric ZnSe waveplate by Wakayama, Toshitaka, Oikawa, Hiroki, Sasanuma, Atsushi, Arai, Goki, Fujii, Yusuke, Dinh, Thanh-Hung, Higashiguchi, Takeshi, Sakaue, Kazuyuki, Washio, Masakazu, Miura, Taisuke, Takahashi, Akihiko, Nakamura, Daisuke, Okada, Tatsuo, Yonemura, Motoki, Otani, Yukitoshi

“…We demonstrated the generation of the intense radially polarized mid-infrared optical vortex at a wavelength of 10.6 μm by use of a passive axially symmetric…”
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Controlled strong excitation of silicon as a step towards processing materials at sub-nanometer precision by Dinh, Thanh-Hung, Medvedev, Nikita, Ishino, Masahiko, Kitamura, Toshiyuki, Hasegawa, Noboru, Otobe, Tomohito, Higashiguchi, Takeshi, Sakaue, Kazuyuki, Washio, Masakazu, Hatano, Tadashi, Kon, Akira, Kubota, Yuya, Inubushi, Yuichi, Owada, Shigeki, Shibuya, Tatsunori, Ziaja, Beata, Nishikino, Masaharu

“…Interaction of a solid material with focused, intense pulses of high-energy photons or other particles (such as electrons and ions) creates a strong electronic…”
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Influence of short pulse duration of carbon dioxide lasers on extreme ultraviolet emission from laser-produced plasmas by Amano, Reiho, Dinh, Thang-Hung, Sasanuma, Atsushi, Arai, Goki, Hara, Hiroyuki, Fujii, Yusuke, Hatano, Tadashi, Ejima, Takeo, Jiang, Weihua, Sunahara, Atsushi, Takahashi, Akihiko, Nakamura, Daisuke, Okada, Tatsuo, Sakaue, Kazuyuki, Miura, Taisuke, O Sullivan, Gerry, Higashiguchi, Takeshi

“…We describe the production of mid-infrared (mid-IR) short carbon dioxide (CO2) laser pulses with variable durations from 3 to 15 ns at a maximum pulse energy…”
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Upgrade of the accelerator for the laser undulator compact X-ray source (LUCX) by Fukuda, Masafumi, Araki, Sakae, Deshpande, Abhay, Higashi, Yasuo, Honda, Yosuke, Sakaue, Kazuyuki, Sasao, Noboru, Taniguchi, Takashi, Terunuma, Nobuhiro, Urakawa, Junji

“…We have developed a compact X-ray source based on inverse Compton scattering of an electron beam and a laser pulse, which is stacked in an optical…”
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Development of a laser pulse storage technique in an optical super-cavity for a compact X-ray source based on laser-Compton scattering by Sakaue, Kazuyuki, Araki, Sakae, Fukuda, Masafumi, Higashi, Yasuo, Honda, Yosuke, Sasao, Noboru, Shimizu, Hirotaka, Taniguchi, Takashi, Urakawa, Junji, Washio, Masakazu

“…With the ongoing progress of pulse laser storage technology, a compact X-ray source based on laser-Compton scattering, with sufficient photon flux for…”
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Experimental results of an rf gun and the generation of a multibunch beam by Deshpande, Abhay, Araki, Sakae, Fukuda, Masafumi, Sakaue, Kazuyuki, Terunuma, Nobuhiro, Urakawa, Junji, Washio, Masakazu

“…At the laser undulator compact x-ray source at KEK, our group has designed and built a new rf gun with a larger mode separation of 8.6 MHz and higher Q value…”
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Cs–Te photocathode RF electron gun for applied research at the Waseda University by Sakaue, Kazuyuki, Hayano, Hitoshi, Kashiwagi, Shigeru, Kuroda, Ryunosuke, Masuda, Akihiko, Suzuki, Tatsuya, Takatomi, Toshikazu, Terunuma, Nobuhiro, Urakawa, Junji, Washio, Masakazu

“…A compact electron accelerator based on photo-cathode RF electron gun is under development for applied research at the Waseda University. Higher charge and…”
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Recent progress of a soft X-ray generation system based on inverse Compton scattering at Waseda University by Sakaue, Kazuyuki, Gowa, Tomoko, Hayano, Hitoshi, Kamiya, Yoshio, Kashiwagi, Shigeru, Kuroda, Ryunosuke, Masuda, Akihiko, Moriyama, Ryo, Urakawa, Junji, Ushida, Kiminori, Wang, Xijie, Washio, Masakazu

“…At Waseda University, we are developing a table-top size soft X-ray source based on inverse Compton scattering between a high quality electron beam and a high…”
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1 ms Pulse Beam Generation and Acceleration by Photocathode Radio Frequency Gun and Superconducting Accelerator by Kuriki, Masao, Iijima, Hokuto, Hosoda, Seiichi, Watanabe, Ken, Hayano, Hitoshi, Urakawa, Junji, Isoyama, Goro, Kato, Ryukou, Kawase, Keigo, Kuramoto, Ayaka, Kashiwagi, Shigeru, Sakaue, Kazuyuki

“…We report the successful generation and acceleration of a 1-ms-long pulse and multibunch electron beam by a normal conducting photocathode RF gun and a super…”
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Photon Generation by Laser-Compton Scattering Using an Optical Resonant Cavity at the KEK-ATF Electron Ring by SHIMIZU, Hirotaka, ARAKI, Sakae, TAKAHASHI, Tohru, USHIO, Yasuaki, HIROSE, Tachishige, SAKAUE, Kazuyuki, WASHIO, Masakazu, PEI, Guoxi, LI, Xiaoping, FUNAHASHI, Yoshisato, HONDA, Yosuke, OKUGI, Toshiyuki, OMORI, Tsunehiko, TERUNUMA, Nobuhiro, URAKAWA, Junji, KURIKI, Masao, MIYOSHI, Shuhei

“…We studied γ-ray generation by the laser-Compton scattering using a Fabry-Perot optical resonant cavity at the KEK-ATF electron storage ring. The laser power…”
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