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Ikebe, Yurie*; Oshima, Masumi*; Bamba, Shigeru*; Asai, Masato; Tsukada, Kazuaki; Sato, Tetsuya; Toyoshima, Atsushi*; Bi, C.*; Seto, Hirofumi*; Amano, Hikaru*; et al.
Applied Radiation and Isotopes, 164, p.109106_1 - 109106_7, 2020/10
Times Cited Count：2 Percentile：24.28(Chemistry, Inorganic & Nuclear)Boron Neutron Capture Therapy (BNCT) is a radiotherapy for the treatment of intractable cancer. In BNCT precise determination of 
B concentration in whole blood sample before neutron irradiation is crucial for control of the neutron irradiation time and the neutron dosimetry. We have applied the Charged Particle Activation Analysis (CPAA) to non-destructive and accurate determination of B concentration in whole blood sample. The experiment was performed at JAEA Tandem Accelerator using an 8 MeV proton beam. The 478 keV 
ray of 
Be produced in the B(p,
)Be reaction was used to quantify the B, and rays of 
Co originating from the reaction with Fe in blood was used to normalize the -ray intensity. The results demonstrated that the present CPAA method can be applied to the determination of the B concentration in the blood sample.
O
laser system JLITE-X for laser-excited ion accelerator researchMori, Michiaki; Pirozhkov, A.; Nishiuchi, Mamiko; Ogura, Koichi; Sagisaka, Akito; Hayashi, Yukio; Orimo, Satoshi; Fukumi, Atsushi*; Li, Z.*; Kado, Masataka; et al.
Laser Physics, 16(7), p.1092 - 1096, 2006/07
Times Cited Count：36 Percentile：80.17(Optics)no abstracts in English
Kiriyama, Hiromitsu; Yamakawa, Koichi
Laser Physics, 16(4), p.666 - 672, 2006/04
Times Cited Count：4 Percentile：23.42(Optics)no abstracts in English
Kiriyama, Hiromitsu; Yamakawa, Koichi; Kageyama, Nobuto*; Miyajima, Hirofumi*; Kan, Hirofumi*; Yoshida, Hidetsugu*; Nakatsuka, Masahiro*
Japanese Journal of Applied Physics, Part 1, 44(10), p.7464 - 7471, 2005/10
Times Cited Count：2 Percentile：9.29(Physics, Applied)no abstracts in English
Ochi, Yoshihiro; Hasegawa, Noboru; Suzuki, Yoji; Sukegawa, Kota*; Kawachi, Tetsuya; Kishimoto, Maki; Nagashima, Keisuke
JAERI-Tech 2004-062, 32 Pages, 2004/11
JAERI-Tech-2004-062.pdf:1.84MB
We have designed new chirp-pulse amplification (CPA) laser system for 0.1 Hz repetition rate soft X-ray laser system. We adopted the optical parametric chirped pulse amplifier (OPCPA) for a pre-amplifier because of its pulse controllability. For a main-amplifier, we decided to use a zigzag-slab amplifier because of its thermal radiation ability. In order to avoid the inhomogeneous spatial profile of the amplified laser beam, the image of the incident laser light created by a serrated aperture is transferred by use of an image relay system. In this report, we will show the preliminary test of each amplifier using a prototype system and the details of the final system design.
Kiriyama, Hiromitsu
Recent Research Developments in Optics, Vol.3, p.155 - 171, 2003/12
no abstracts in English
Kawachi, Tetsuya; Kado, Masataka; Tanaka, Momoko; Hasegawa, Noboru; Nagashima, Keisuke; Sukegawa, Kota*; Lu, P.; Takahashi, Kenjiro; Namba, Shinichi; Koike, Masato; et al.
Applied Optics, 42(12), p.2198 - 2205, 2003/04
Times Cited Count：27 Percentile：72.26(Optics)no abstracts in English
Kato, Yoshiaki
Purazuma, Kaku Yugo Gakkai-Shi, 77(2), p.138 - 139, 2001/02
no abstracts in English
Sugiyama, Akira; Fukuyama, Hiroyasu*; Kataoka, Yohei*; Nishimura, Akihiko; Okada, Yukikatsu*
Advanced Optical Manufacturing and Testing Technology 2000 (Proceedings of SPIE Vol.4231), p.261 - 268, 2000/11
no abstracts in English
Sugiyama, Akira; Fukuyama, Hiroyasu*; Katsurayama, Masamichi*; Anzai, Yutaka*
Denki Gakkai Hikari, Ryoshi Debaisu Kenkyukai OQD-00-50, p.23 - 28, 2000/10
no abstracts in English
Maruyama, Yoichiro; *; Kato, Masaaki; Niwa, Yoshito*; Matsuoka, Fumiaki*; Matoba, Toru; Arisawa, Takashi; Oba, Masaki
Trends in Optics and Photonics;Advanced Solid-State Lasers, 26, p.45 - 48, 1999/00
no abstracts in English
Harayama, Sayaka; Akaoka, Katsuaki; *; Kato, Masaaki; Niwa, Yoshito*; Maruyama, Yoichiro; Matoba, Toru; Arisawa, Takashi; *
JAERI-Conf 98-004, p.150 - 155, 1998/03
None
Akaoka, Katsuaki; Harayama, Sayaka; *; Maruyama, Yoichiro; Arisawa, Takashi
Solid State Lasers VII, 3265, p.219 - 225, 1998/00
no abstracts in English
Matoba, Toru
Isotope News, (521), p.18 - 19, 1997/10
no abstracts in English
Biswal, S.*; F.Druon*; Nees, J.*; G.Mourou*; Nishimura, Akihiko
Conf. on Lasers and Electro-Optics, 11, p.319 - 320, 1997/05
no abstracts in English
Takuma, Hiroshi
Proceedings of 1st International Conference on Superstrong Fields in Plasmas, p.509 - 515, 1997/00
no abstracts in English
Biswal, S.*; F.Druon*; Nishimura, Akihiko; Nees, J.*; G.Mourou*
Technical Digests on CLEO/Pacific Rim'97, P. 15, 1997/00
no abstracts in English
Nees, J.*; G.Mourou*; Biswal, S.*; J.Itatani*; A.C.Tien*; J.C.Chanteloup*; Nishimura, Akihiko; *
Ultrafast Optics 1997, 4 Pages, 1997/00
no abstracts in English
Sawa, Kazuhiro; Tazawa, Yujiro*; Itakura, Hirofumi*
JAERI-M 91-128, 33 Pages, 1991/08
no abstracts in English
Mori, Michiaki; Kiriyama, Hiromitsu; Miyasaka, Yasuhiro; Kishimoto, Maki; Kotaki, Hideyuki; Hayashi, Yukio; Kando, Masaki; Kondo, Kiminori
no journal, ,
Improvement of controllability and stability at laser-driven particle beams are important for multi-purpose applications. Improvement of the laser stability is important to improvement such parameters. Especially, compensation of higher order dispersion at a CPA laser system influences stability of laser temporal profile. In this work, we demonstrate new concept of higher order dispersion management by using assist pulse compression. We confirmed 1e-7 prepulse level at sub-ns region and 120 dB/ps slew rate at sub-ps region.
Mori, Michiaki; Kiriyama, Hiromitsu; Miyasaka, Yasuhiro; Kishimoto, Maki; Kotaki, Hideyuki; Hayashi, Yukio; Kando, Masaki; Kondo, Kiminori
no journal, ,
In higher-order dispersion compensation at chirped pulse amplification laser system, it is progressing studied for a long time. However, almost compensation concepts or systems are placed at a front end, whose are disadvantageous for suppression of the ASE pedestal. In this work, we demonstrate two grating compressor configuration for management of higher order dispersion. We used a 10 TW Ti:Sapphire laser system JLITE-X laser system. We confirmed improvement of temporal profile in the region of less than 10 ps from the main peak. Especially, the steepness within -1ps from the main peak was significantlly improved. This result shows the higher-order dispersion is highly compensated. In particular, a good ASE pedestal (1e-7) condition is kept before installation of this system. These results show the advantage of this compensation concept for another methods.
