Particle size distributions inside and around the artificial crater produced by the Hayabusa2 impact experiment on Ryugu

Autor: K. Ogawa, N. Sakatani, T. Kadono, M. Arakawa, R. Honda, K. Wada, K. Shirai, Y. Shimaki, K. Ishibashi, Y. Yokota, T. Saiki, H. Imamura, Y. Tsuda, S. Nakazawa, Y. Takagi, M. Hayakawa, H. Yano, C. Okamoto, Y. Iijima, T. Morota, S. Kameda, E. Tatsumi, Y. Cho, K. Yoshioka, H. Sawada, M. Matsuoka, M. Yamada, T. Kouyama, H. Suzuki, C. Honda, S. Sugita

Publikováno v: Earth, Planets and Space, Vol 74, Iss 1, Pp 1-10 (2022)

Abstract Japanese Hayabusa2 spacecraft has successfully carried out an impact experiment using a small carry-on impactor (SCI) on an asteroid (162173) Ryugu. We examine the size distribution of particles inside and outside an artificial impact crater

Externí odkaz: https://doaj.org/article/a4d525aea7ba4d81ae800ebec64c57fe

Rod-Type Ce/Cr/Nd : YAG Ceramic Lasers with White-Light Pump Source

Autor: T. Saiki, T. Iwashita, J. Sakamoto, T. Hayashi, T. Nakamachi, Y. Fujimoto, Y. Iida, M. Nakatsuka

Publikováno v: International Journal of Optics, Vol 2022 (2022)

Ceramic is promising for use as a solid-laser material pumped with solar or lamp light. We developed a Cr3+ ion doped Nd : YAG ceramic laser that converts white light into near-infrared laser light more efficiently. Investigation of its optical prope

Externí odkaz: https://doaj.org/article/3a80a2133b6047bbbb3a522453eaeaee

Q-Switched and Mode-Locked Nd/Cr:YAG Ceramic Pulse Laser

Autor: T. Saiki, N. Hirota, S. Kanemori, Y. Iida

Publikováno v: International Journal of Optics, Vol 2020 (2020)

A mode-locked and Q-switched short pulse laser using the Nd3+/Cr3+:YAG ceramic has been constructed with a SESAM and Cr4+:YAG crystal optical switch based on excite state absorption (ESA). Laser oscillations of the pulse laser were observed experimen

Externí odkaz: https://doaj.org/article/8b6258215f8a4634b425d9adad22e1fd

Optimization on pole pitch of magnetic wheels and thickness of metal plate for floating and a propulsion system using permanent magnets

Autor: T. Saiki, K. Ino, M. Inada

Publikováno v: Journal of Electromagnetic Waves and Applications. 36:2716-2739

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::332a0ffc69e1d6938851cf16a98f7a17
https://doi.org/10.1080/09205071.2022.2105753

The noble gas and nitrogen relationship between Ryugu and carbonaceous chondrites

Autor: M.W. Broadley, D.J. Byrne, E. Füri, L. Zimmermann, B. Marty, R. Okazaki, T. Yada, F. Kitajima, S. Tachibana, K. Yogata, K. Sakamoto, H. Yurimoto, T. Nakamura, T. Noguchi, H. Naraoka, H. Yabuta, S. Watanabe, Y. Tsuda, M. Nishimura, A. Nakato, A. Miyazaki, M. Abe, T. Okada, T. Usui, M. Yoshikawa, T. Saiki, S. Tanaka, F. Terui, S. Nakazawa, H. Busemann, K. Hashizume, J.D. Gilmour, A. Meshik, M.E.I. Riebe, D. Krietsch, C. Maden, A. Ishida, P. Clay, S.A. Crowther, L. Fawcett, T. Lawton, O. Pravdivtseva, Y.N. Miura, J. Park, K. Bajo, Y. Takano, K. Yamada, S. Kawagucci, Y. Matsui, M. Yamamoto, K. Righter, S. Sakai, N. Iwata, N. Shirai, S. Sekimoto, M. Inagaki, M. Ebihara, R. Yokochi, K. Nishiizumi, K. Nagao, J.I Lee, A. Kano, M.W. Caffee, R. Uemura

Publikováno v: Broadley, M W, Byrne, D J, Füri, E, Zimmermann, L, Marty, B, Okazaki, R, Yada, T, Kitajima, F, Tachibana, S, Yogata, K, Sakamoto, K, Yurimoto, H, Nakamura, T, Noguchi, T, Naraoka, H, Yabuta, H, Watanabe, S, Tsuda, Y, Nishimura, M, Nakato, A, Miyazaki, A, Abe, M, Okada, T, Usui, T, Yoshikawa, M, Saiki, T, Tanaka, S, Terui, F, Nakazawa, S, Busemann, H, Hashizume, K, Gilmour, J D, Meshik, A, Riebe, M E I, Krietsch, D, Maden, C, Ishida, A, Clay, P, Crowther, S A, Fawcett, L, Lawton, T, Pravdivtseva, O, Miura, Y N, Park, J, Bajo, K, Takano, Y, Yamada, K, Kawagucci, S, Matsui, Y, Yamamoto, M, Righter, K, Sakai, S, Iwata, N, Shirai, N, Sekimoto, S, Inagaki, M, Ebihara, M, Yokochi, R, Nishiizumi, K, Nagao, K, Lee, J I, Kano, A, Caffee, M W & Uemura, R 2023, ' The noble gas and nitrogen relationship between Ryugu and carbonaceous chondrites ', Geochimica Et Cosmochimica Acta, vol. 345, pp. 62-74 . https://doi.org/10.1016/j.gca.2023.01.020
Geochimica et Cosmochimica Acta, 345

Carbonaceous chondrites are considered to have originated from C-type asteroids and represent some of the most primitive material in our solar system. Furthermore, since carbonaceous chondrites can contain significant quantities of volatile elements,

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::56494cb62819ddd0a2f01a6b76a2c921
https://doi.org/10.1016/j.gca.2023.01.020