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JAEA Reports

2012 training using JMTR and related facilities as advanced research infrastructures

Kimura, Nobuaki; Takemoto, Noriyuki; Ooka, Makoto; Ishitsuka, Etsuo; Nakatsuka, Toru; Ito, Haruhiko; Ishihara, Masahiro

JAEA-Review 2012-055, 40 Pages, 2013/03

JAEA-Review-2012-055.pdf:93.64MB

Training courses using JMTR and related facilities as advanced research infrastructures have been newly organized for domestic students, young researchers and engineers since FY2010 from a viewpoint of nuclear human resource development in order to support global expansion of nuclear power industry. In FY 2012, two courses were carried for foreign as well as Japanese young researchers and engineers in order to carry out effective practical training. For the foreigner course, 16 young researchers and engineers were joined from July 23rd to August 10th. For the Japanese course, total 35 young researchers and engineers were joined two courses from August 20th to August 31st and from September 3rd to September 14th. Lectures of these training courses were consisted from basics of nuclear energy to its application, especially for irradiation tests in Motrin this paper, results of these foreigners and Japanese training courses are reported.

Journal Articles

Development of prototype YAG laser amplifier for the edge Thomson scattering system in ITER

Hatae, Takaki; Hayashi, Toshimitsu; Yatsuka, Eiichi; Kajita, Shin*; Yoshida, Hidetsugu*; Fujita, Hisanori*; Nakatsuka, Masahiro*; Yahagi, Kenichi*; Shinobu, Katsuya*; Ono, Takehiro; et al.

Journal of Plasma and Fusion Research SERIES, Vol.9, p.253 - 258, 2010/08

Journal Articles

Progress in development of the advanced Thomson scattering diagnostics

Hatae, Takaki; Howard, J.*; Ebizuka, Noboru*; Yoshida, Hidetsugu*; Nakatsuka, Masahiro*; Fujita, Hisanori*; Narihara, Kazumichi*; Yamada, Ichihiro*; Funaba, Hisamichi*; Hirano, Yoichi*; et al.

Journal of Physics; Conference Series, 227, p.012002_1 - 012002_6, 2010/06

 Times Cited Count:2 Percentile:68.48

Journal Articles

Trends in stimulated Brillouin scattering and optical phase conjugation

Ostermeyer, M.*; Kong, H.-J.*; Kovalev, V. I.*; Harrison, R. G.*; Fotiadi, A. A.*; M$'e$gret, P.*; Kalal, M.*; Slezak, O.*; Yoon, J. W.*; Shin, J. S.*; et al.

Laser and Particle Beams, 26(3), p.297 - 362, 2008/09

 Times Cited Count:40 Percentile:56.17(Physics, Applied)

Journal Articles

Thermal lens compensation of rod laser system inserting a solid element with negative temperature-dependence change of refractive index property

Yoshida, Hidetsugu*; Takeuchi, Norihiro*; Okada, Hajime; Fujita, Hisanori*; Nakatsuka, Masahiro*

Reza Kenkyu, 36(9), p.573 - 578, 2008/09

Journal Articles

Performance of stimulated Brillouin scattering used in several heavy fluorocarbons liquids and perfluoropolyether liquids

Yoshida, Hidetsugu*; Nagasawa, Muneyuki*; Okada, Hajime; Fujita, Hisanori*; Nakatsuka, Masahiro*; Park, H.*

Reza Kenkyu, 36(9), p.566 - 572, 2008/09

Journal Articles

EUV light source by high power laser

Izawa, Yasukazu*; Nishihara, Katsunobu*; Tanuma, Hajime*; Sasaki, Akira; Murakami, Masakatsu*; Sunahara, Atsushi*; Nishimura, Hiroaki*; Fujioka, Shinsuke*; Aota, Tatsuya*; Shimada, Yoshinori*; et al.

Journal of Physics; Conference Series, 112, p.042047_1 - 042047_4, 2008/00

 Times Cited Count:7 Percentile:92.73

In the development of a high power EUV source used in the EUV lithography system, we have been constructed EUV database of laser-produced tin plasma by the theoretical and experimental studies. On the basis of our understanding, the optimum conditions of lasers and plasmas were clarified, and we proposed the guidelines of laser plasma to obtain clean, efficient and high power EUV source for the practical EUV lithography system. In parallel to such studies, novel targets and high power laser system to generate the optimized EUV source plasma have been developed.

Journal Articles

Development of polarization interferometer based on Fourier transform spectroscopy for Thomson scattering diagnostics

Hatae, Takaki; Howard, J.*; Hirano, Yoichi*; Naito, Osamu; Nakatsuka, Masahiro*; Yoshida, Hidetsugu*

Plasma and Fusion Research (Internet), 2, p.S1026_1 - S1026_5, 2007/11

A high-throughput polarization interferometer is being developed to demonstrate for the first time the utility of Fourier transform spectroscopy for Thomson scattering diagnostics of high temperature plasma. Target $$T$$$$_{e}$$ and $$n$$$$_{e}$$ ranges for the prototype polarization interferometer are $$<$$ 1 keV and $$>$$ 5$$times$$10$$^{18}$$ m$$^{-3}$$, respectively. This paper describes the design of the polarization interferometer and the results of initial tests.

Journal Articles

Progress in development of edge Thomson scattering system for ITER

Hatae, Takaki; Nakatsuka, Masahiro*; Yoshida, Hidetsugu*; Ebisawa, Katsuyuki*; Kusama, Yoshinori; Sato, Kazuyoshi; Katsunuma, Atsushi*; Kubomura, Hiroyuki*; Shinobu, Katsuya*

Fusion Science and Technology, 51(2T), p.58 - 61, 2007/02

 Times Cited Count:6 Percentile:44.05(Nuclear Science & Technology)

no abstracts in English

Journal Articles

Progress in JT-60 joint research

Kimura, Haruyuki; Inutake, Masaaki*; Kikuchi, Mitsuru; Ogawa, Yuichi*; Kamada, Yutaka; Ozeki, Takahisa; Naito, Osamu; Takase, Yuichi*; Ide, Shunsuke; Nagasaki, Kazunobu*; et al.

Purazuma, Kaku Yugo Gakkai-Shi, 83(1), p.81 - 93, 2007/01

no abstracts in English

Journal Articles

Applications of stimulated brillouin scattering phase conjugate mirror to Thomson scattering diagnostics in JT-60U and ITER

Hatae, Takaki; Naito, Osamu; Kitamura, Shigeru; Sakuma, Takeshi*; Hamano, Takashi*; Nakatsuka, Masahiro*; Yoshida, Hidetsugu*

Journal of the Korean Physical Society, 49, p.S160 - S164, 2006/12

no abstracts in English

Journal Articles

Applications of phase conjugate mirror to Thomson scattering diagnostics (invited)

Hatae, Takaki; Naito, Osamu; Nakatsuka, Masahiro*; Yoshida, Hidetsugu*

Review of Scientific Instruments, 77(10), p.10E508_1 - 10E508_6, 2006/10

 Times Cited Count:30 Percentile:78.1(Instruments & Instrumentation)

no abstracts in English

Journal Articles

Design and operation of high-energy and high-average-power diode-pumped single Nd:YAG amplifier with stimulated-Brillouion-scattering phase conjugate mirror

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:9.62(Physics, Applied)

no abstracts in English

Journal Articles

Recent R&D of Thomson scattering diagnostics for JT-60U and ITER

Hatae, Takaki; Kondoh, Takashi; Naito, Osamu; Nakatsuka, Masahiro*; Yoshida, Hidetsugu*

Proceedings of 12th International Symposium on Laser-Aided Plasma Diagnostics (LAPD-12) (CD-ROM), 6 Pages, 2005/09

no abstracts in English

Journal Articles

Improvement of Thomson scattering diagnostics using stimulated-Brillouin-scattering-based phase conjugate mirrors

Hatae, Takaki; Nakatsuka, Masahiro*; Yoshida, Hidetsugu*

Purazuma, Kaku Yugo Gakkai-Shi, 80(10), p.870 - 882, 2004/10

A high performance phase conjugate mirror by stimulated Brillouin scattering (SBS-PCM) is applied to Thomson scattering diagnostics in JT-60U for the first time. To improve the measurement performance, two developments were performed with SBS-PCM. First, we developed a new optical design to provide a double-pass scattering scheme with SBS-PCM. A laser beam passing through the plasma is reflected by the SBS-PCM, and a reflected beam returned back through the same path as coming one by the phase conjugate effect, and passed through the plasma again. The double path Thomson scattering scheme demonstrated in JT-60U plasma that a factor of 1.6 increase of the scattered light in contrast with single-pass scattering. Second, an improvement of the output power of YAG laser system using the SBS-PCM was performed. As a result, average power was increased over 8 times in contrast with conventional system, and was achieved up to 368 W (7.4 J $$times$$ 50 Hz). A multi-pass Thomson scattering scheme is also proposed based on the results of double-pass scattering.

Journal Articles

360-W average power operation with a single-stage diode-pumped Nd:YAG amplifier at a 1-kHz repetition rate

Kiriyama, Hiromitsu; Yamakawa, Koichi; Nagai, Toru; Kageyama, Nobuto*; Miyajima, Hirofumi*; Kan, Hirofumi*; Yoshida, Hidetsugu*; Nakatsuka, Masahiro*

Optics Letters, 28(18), p.1671 - 1673, 2003/09

 Times Cited Count:28 Percentile:74.06(Optics)

no abstracts in English

Journal Articles

Improvement of Thomson scattering system using SBS phase conjugation mirrors in JT-60U

Hatae, Takaki; Nakatsuka, Masahiro*; Yoshida, Hidetsugu*; Naito, Osamu; Kitamura, Shigeru; Sakuma, Takeshi*; Hamano, Takashi*; Tsukahara, Yoshimitsu

Proceedings of 29th European Physical Society Conference on Plasma Physics and Controlled Fusion, 4 Pages, 2002/00

no abstracts in English

Oral presentation

Study of advanced LIDAR Thomson scattering diagnostics for burning plasmas

Hatae, Takaki; Nakatsuka, Masahiro*; Yoshida, Hidetsugu*; Naito, Osamu

no journal, , 

no abstracts in English

Oral presentation

Improvement of Thomson scattering diagnostics using stimulated-brillouin-scattering-based phase conjugate mirrors

Hatae, Takaki; Nakatsuka, Masahiro*; Yoshida, Hidetsugu*

no journal, , 

no abstracts in English

Oral presentation

Study of high repetitive solid-state laser for burning plasma diagnostics on the ITER

Yoshida, Hidetsugu*; Nakatsuka, Masahiro*; Hatae, Takaki; Lee, S.-K.*; Kong, H.-J.*

no journal, , 

no abstracts in English

41 (Records 1-20 displayed on this page)