Zobrazeno 1 - 10
of 149
pro vyhledávání: '"Kojima, Takafumi"'
Autor:
Tamura, Yoichi, Sakai, Takeshi, Kawabe, Ryohei, Kojima, Takafumi, Taniguchi, Akio, Takekoshi, Tatsuya, Kang, Haoran, Shan, Wenlei, Hagimoto, Masato, Okauchi, Norika, Tetsuka, Airi, Inoue, Akio K., Kohno, Kotaro, Tanaka, Kunihiko, Bakx, Tom J. L. C., Fudamoto, Yoshinobu, Fujita, Kazuyuki, Harikane, Yuichi, Hashimoto, Takuya, Hatsukade, Bunyo, Hughes, David H., Iino, Takahiro, Kimura, Yuki, Maezawa, Hiroyuki, Matsuda, Yuichi, Mawatari, Ken, Nakajima, Taku, Nakatsubo, Shunichi, Oshima, Tai, Sagawa, Hideo, Schloerb, F. Peter, Takahashi, Shigeru, Taniguchi, Kotomi, Tsujita, Akiyoshi, Umehata, Hideki, Yonetsu, Teppei, Yun, Min S.
Unveiling the emergence and prevalence of massive/bright galaxies during the epoch of reionization and beyond, within the first 600 million years of the Universe, stands as a pivotal pursuit in astronomy. Remarkable progress has been made by JWST in
Externí odkaz:
http://arxiv.org/abs/2406.07975
Autor:
Kang, Haoran, Kojima, Takafumi, Sakai, Takeshi, Tamura, Yoichi, Tetsuka, Airi, Masui, Sho, Takekoshi, Tatsuya
Spectroscopic observations of the far-infrared [O III] and [C II] lines present a pathway to explore the mechanisms of the emergence of massive galaxies in the epoch of reionization and beyond, which is one of the most fundamental questions in astron
Externí odkaz:
http://arxiv.org/abs/2406.07974
Autor:
Yamasaki, Yasumasa, Masui, Sho, Ogawa, Hideo, Kondo, Hiroshi, Matsumoto, Takeru, Okawa, Masanari, Yokoyama, Koki, Minami, Taisei, Konishi, Ryotaro, Kawashita, Sana, Konishi, Ayu, Nakao, Yuka, Nishimoto, Shimpei, Yoneyama, Sho, Ueda, Shota, Hasegawa, Yutaka, Fujita, Shinji, Nishimura, Atsushi, Kojima, Takafumi, Kaneko, Keiko, Sakai, Ryo, Gonzalez, Alvaro, Uzawa, Yoshinori, Onishi, Toshikazu
The corrugated horn is a high performance feed often used in radio telescopes. There has been a growing demand for wideband optics and corrugated horns in millimeter and submillimeter-wave receivers. It improves the observation efficiency and allows
Externí odkaz:
http://arxiv.org/abs/2105.13605
Autor:
Masui, Sho, Yamasaki, Yasumasa, Ogawa, Hideo, Kondo, Hiroshi, Yokoyama, Koki, Matsumoto, Takeru, Minami, Taisei, Okawa, Masanari, Konishi, Ryotaro, Kawashita, Sana, Konishi, Ayu, Nakao, Yuka, Nishimoto, Shimpei, Yoneyama, Sho, Ueda, Shota, Hasegawa, Yutaka, Fujita, Shinji, Nishimura, Atsushi, Kojima, Takafumi, Uemizu, Kazunori, Kaneko, Keiko, Sakai, Ryo, Gonzalez, Alvaro, Uzawa, Yoshinori, Onishi, Toshikazu
We have developed a wideband receiver system for simultaneous observations in CO lines of J = 2-1 and J = 3-2 transitions using the Osaka 1.85-m mm-submm telescope. As a frequency separation system, we developed multiplexers that connect three types
Externí odkaz:
http://arxiv.org/abs/2105.07786
Autor:
Nakajima, Taku, Haratani, Kohei, Mizuno, Akira, Suzuki, Kazuji, Kojima, Takafumi, Uzawa, Yoshinori, Asayama, Shin'ichiro, Watanabe, Issei
In order to better understand the variation mechanism of ozone abundance in the middle atmosphere, the simultaneous monitoring of ozone and other minor molecular species, which are related to ozone depletion, is the most fundamental and critical meth
Externí odkaz:
http://arxiv.org/abs/2008.10143
Autor:
Shan, Wenlei, Ezaki, Shohei, Kaneko, Keiko, Miyachi, Akihira, Kojima, Takafumi, Uzawa, Yoshinori
A dual-polarization balanced superconductor-insulator-superconductor mixer operating at 2 mm wavelength is realized in form of a monolithic planar integrated circuit. Planar orthomode transducers and LO couplers are enabled by using silicon membranes
Externí odkaz:
http://arxiv.org/abs/1908.06564
Akademický článek
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Autor:
Zmuidzinas, Jonas, Gao, Jian-Rong, Masui, Sho, Kawashita, Sana, Yamasaki, Yasumasa, Hasegawa, Yutaka, Kojima, Takafumi, Matsumoto, Takeru, Fujitomo, Ikko, Nishikawa, Yuma, Nakagawa, Ryo, Ogawa, Hideo, Onishi, Toshikazu
Publikováno v:
Proceedings of SPIE; August 2024, Vol. 13102 Issue: 1 p131022L-131022L-8, 1179207p
Autor:
Zmuidzinas, Jonas, Gao, Jian-Rong, Hwang, Yuh-Jing, Lee, Bangwon, Wang, MingJye, Huang, Yu Chieh, Chiong, Chau-Ching, Kuo, Yue-Fang, Chien, Chen, Ho, Chin-Ting, Chen, Tse-Jun, Lu, Wei-Chun, Chang, Yen-Pin, Chang, Hsiao-Wen, Chiu, Chuang-Ping, Nian, Jia-Ruei, Wang, Chao-Ching, Hsu, Fang-Yu, Chen, Pai-An, Lu, Lou-Chien, Koch, Patrick, Kojima, Takafumi, Gonzalez, Alvaro
Publikováno v:
Proceedings of SPIE; August 2024, Vol. 13102 Issue: 1 p131020M-131020M-12, 12970993p
Autor:
Zmuidzinas, Jonas, Gao, Jian-Rong, Uzawa, Yoshinori, Kawakami, Akira, Kojima, Takafumi, Makise, Kazumasa, Masui, Sho, Murayama, Yosuke, Miyachi, Akihira, Shan, Wenlei
Publikováno v:
Proceedings of SPIE; August 2024, Vol. 13102 Issue: 1 p131020L-131020L-5, 1179186p