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Journal Articles

Abnormally enhanced diamagnetism in Al-Zn-Mg alloys

Nishimura, Katsuhiko*; Matsuda, Kenji*; Lee, S.*; Nunomura, Norio*; Shimano, Tomoki*; Bendo, A.*; Watanabe, Katsumi*; Tsuchiya, Taiki*; Namiki, Takahiro*; Toda, Hiroyuki*; et al.

Journal of Alloys and Compounds, 774, p.405 - 409, 2019/02

 Times Cited Count:1 Percentile:100(Chemistry, Physical)

Journal Articles

An Evaluation method of reflectance spectra to be obtained by Hayabusa2 Near-Infrared Spectrometer (NIRS3) based on laboratory measurements of carbonaceous chondrites

Matsuoka, Moe*; Nakamura, Tomoki*; Osawa, Takahito; Iwata, Takahiro*; Kitazato, Kohei*; Abe, Masanao*; Nakauchi, Yusuke*; Arai, Takehiko*; Komatsu, Mutsumi*; Hiroi, Takahiro*; et al.

Earth, Planets and Space (Internet), 69(1), p.120_1 - 120_12, 2017/09

AA2017-0327.pdf:1.53MB

 Times Cited Count:2 Percentile:75.02(Geosciences, Multidisciplinary)

We have conducted ground-based performance evaluation tests of the Near-Infrared Spectrometer (NIRS3) onboard Hayabusa2 spacecraft and established a method for evaluating its measured reflectance spectra. Reflectance spectra of nine powdered carbonaceous chondrite samples were measured by both NIRS3 and a FT-IR spectrometer. Since raw data obtained by NIRS3 had considerable spectral distortion caused by systematic offsets in sensitivity of individual pixels, we have established two methods for correcting the NIRS3 data by comparing them with the corresponding FT-IR data. In order to characterize the absorption bands in NIRS3 spectra, the depth of each band component D$$lambda$$ is defined for each wavelength $$lambda$$ ($$mu$$m). Reflectance spectra of asteroid Ryugu, the target asteroid of Hayabusa2, to be recorded by the NIRS3 are expected to reveal the characteristics of the surface materials by using the evaluation technique.

Journal Articles

Development of a high power diplexer with short-slotted metal half mirrors for electron cyclotron current drive

Saigusa, Mikio*; Atsumi, Kohei*; Yamaguchi, Tomoki*; Oda, Yasuhisa; Sakamoto, Keishi

Fusion Engineering and Design, 88(6-8), p.964 - 969, 2013/10

 Times Cited Count:2 Percentile:74.98(Nuclear Science & Technology)

Journal Articles

Numerical estimation of Ohmic loss of high power wideband diplexer for ECCD system

Atsumi, Kohei*; Yamaguchi, Tomoki*; Nagashima, Koji*; Saigusa, Mikio*; Fukunari, Masafumi*; Oda, Yasuhisa; Sakamoto, Keishi

Plasma and Fusion Research (Internet), 8(Sp.1), p.2405077_1 - 2405077_4, 2013/06

Oral presentation

Research and development of high power wideband diplexer for ECCD system

Atsumi, Kohei*; Sugawara, Shuhei*; Yamaguchi, Tomoki*; Saigusa, Mikio*; Oda, Yasuhisa; Takahashi, Koji; Kajiwara, Ken; Sakamoto, Keishi

no journal, , 

no abstracts in English

Oral presentation

Proposal of new type diplexer for ECCD system

Saigusa, Mikio*; Sugawara, Shuhei*; Atsumi, Kohei*; Oda, Yasuhisa; Yamaguchi, Tomoki*; Sakamoto, Keishi

no journal, , 

Oral presentation

Development of high power wideband diplexer for ECCD system in fusion devise

Sugawara, Shuhei*; Atsumi, Kohei*; Yamaguchi, Tomoki*; Saigusa, Mikio*; Oda, Yasuhisa; Takahashi, Koji; Kajiwara, Ken; Sakamoto, Keishi

no journal, , 

Oral presentation

A Study of unwanted higher orer modes in waveguide resonance ring diplexer for high power millimeter wave

Oda, Yasuhisa; Sugawara, Shuhei*; Atsumi, Kohei*; Yamaguchi, Tomoki*; Saigusa, Mikio*; Sakamoto, Keishi

no journal, , 

no abstracts in English

Oral presentation

Numerical estimation of Ohmic loss of high power wideband diplexer for ECCD system

Atsumi, Kohei*; Yamaguchi, Tomoki*; Nagashima, Koji*; Saigusa, Mikio*; Fukunari, Masafumi*; Oda, Yasuhisa; Sakamoto, Keishi

no journal, , 

Oral presentation

Development of high power wide band switch for ECCD system

Saigusa, Mikio*; Atsumi, Kohei*; Yamaguchi, Tomoki*; Nagashima, Koji*; Fukunari, Masafumi*; Oda, Yasuhisa; Sakamoto, Keishi

no journal, , 

Oral presentation

Research and development of high power wideband diplexer for ECCD system

Yamaguchi, Tomoki*; Atsumi, Kohei*; Nagashima, Koji*; Saigusa, Mikio*; Oda, Yasuhisa; Fukunari, Masafumi*; Sakamoto, Keishi

no journal, , 

no abstracts in English

Oral presentation

A Study of higher orde modes in a corrugated waveguide resonant ring diplexer for millimeter-wave using a high power gyrotron

Oda, Yasuhisa; Atsumi, Kohei*; Yamaguchi, Tomoki*; Nagashima, Koji*; Saigusa, Mikio*; Fukunari, Masafumi*; Sakamoto, Keishi

no journal, , 

no abstracts in English

Oral presentation

HEU minimization on research reactors in JAEA

Inoue, Takeshi; Suzuki, Mitsutoshi; Yamaguchi, Tomoki

no journal, , 

no abstracts in English

Oral presentation

An RF desing study of a high-power millimeter-wave fast switch

Nagashima, Koji*; Yamaguchi, Tomoki*; Takii, Keita*; Sekiguchi, Kenji*; Saigusa, Mikio*; Oda, Yasuhisa; Fukunari, Masafumi*; Sakamoto, Keishi

no journal, , 

no abstracts in English

Oral presentation

Loss calculation of a high-power millimeter-wave fast switch

Takii, Keita*; Yamaguchi, Tomoki*; Nagashima, Koji*; Sekiguchi, Kenji*; Saigusa, Mikio*; Oda, Yasuhisa; Fukunari, Masafumi*; Sakamoto, Keishi

no journal, , 

no abstracts in English

15 (Records 1-15 displayed on this page)
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