Zobrazeno 1 - 10
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pro vyhledávání: '"UCHIYAMA, TAKASHI"'
Autor:
Sakai, Hiroshi, Arakawa, Dai, Furuya, Takaaki, Haga, Kaiichi, Hagiwara, Masayuki, Harada, Kentaro, Honda, Yosuke, Honma, Teruya, Kako, Eiji, Kato, Ryukou, Kojima, Yuuji, Konomi, Taro, Matsumura, Hiroshi, Miura, Taichi, Miura, Takako, Nagahashi, Shinya, Nakai, Hirotaka, Nakamura, Norio, Nakanishi, Kota, Nigorikawa, Kazuyuki, Nogami, Takashi, Obina, Takashi, Qiu, Feng, Sagehashi, Hidenori, Sakanaka, Shogo, Shimada, Miho, Tadano, Mikito, Takahashi, Takeshi, Takai, Ryota, Tanaka, Olga, Tanimoto, Yasunori, Toyoda, Akihiro, Uchiyama, Takashi, Umemori, Kensei, Yamamoto, Masahiro, Yoshida, Go, Nishimori, Nobuyuki, Hajima, Ryoichi, Nagai, Ryoji, Sawamura, Masaru
A compact energy-recovery linac (cERL) has been un-der construction at KEK since 2009 to develop key technologies for the energy-recovery linac. The cERL began operating in 2013 to create a high-current beam with a low-emittance beam with stable cont
Externí odkaz:
http://arxiv.org/abs/2408.13478
In gravitational wave astronomy, non-Gaussian noise, such as scattered light noise disturbs stable interferometer operation, limiting the interferometer's sensitivity, and reducing the reliability of the analyses. In scattered light noise, the non-Ga
Externí odkaz:
http://arxiv.org/abs/2403.12731
Autor:
Sakai, Yusuke, Itoh, Yousuke, Jung, Piljong, Kokeyama, Keiko, Kozakai, Chihiro, Nakahira, Katsuko T., Oshino, Shoichi, Shikano, Yutaka, Takahashi, Hirotaka, Uchiyama, Takashi, Ueshima, Gen, Washimi, Tatsuki, Yamamoto, Takahiro, Yokozawa, Takaaki
Publikováno v:
Annalen der Physik, issue 2200140 (2022)
Transient noise appearing in the data from gravitational-wave detectors frequently causes problems, such as instability of the detectors and overlapping or mimicking gravitational-wave signals. Because transient noise is considered to be associated w
Externí odkaz:
http://arxiv.org/abs/2208.03623
Autor:
Sakai, Yusuke, Itoh, Yousuke, Jung, Piljong, Kokeyama, Keiko, Kozakai, Chihiro, Nakahira, Katsuko T., Oshino, Shoichi, Shikano, Yutaka, Takahashi, Hirotaka, Uchiyama, Takashi, Ueshima, Gen, Washimi, Tatsuki, Yamamoto, Takahiro, Yokozawa, Takaaki
Publikováno v:
Scientific Reports, 12, Article number: 9935 (2022)
In the data obtained by laser interferometric gravitational wave detectors, transient noise with non-stationary and non-Gaussian features occurs at a high rate. This often results in problems such as detector instability and the hiding and/or imitati
Externí odkaz:
http://arxiv.org/abs/2111.10053
Autor:
Honda, Yosuke, Adachi, Masahiro, Eguchi, Shu, Fukuda, Masafumi, Hajima, Ryoichi, Higashi, Nao, Kakehata, Masayuki, Kato, Ryukou, Miura, Takako, Miyajima, Tsukasa, Nagahashi, Shinya, Nakamura, Norio, Nigorikawa, Kazuyuki, Nogami, Takashi, Obina, Takashi, Sagehashi, Hidenori, Sakai, Hiroshi, Sato, Tadatake, Shimada, Miho, Shioya, Tatsuro, Takai, Ryota, Tanaka, Olga, Tanimoto, Yasunori, Tsuchiya, Kimichika, Uchiyama, Takashi, Ueda, Akira, Yamamoto, Masahiro, Yashiro, Hidehiko, Zhou, Demin
The mid-infrared range is an important spectrum range where materials exhibit a characteristic response corresponding to their molecular structure. A free-electron laser (FEL) is a promising candidate for a high-power light source with wavelength tun
Externí odkaz:
http://arxiv.org/abs/2106.13247
Autor:
Zhao, Yuhang, Kirii, Shin, Liu, Yingtao, Uchiyama, Takashi, Takahashi, Ryutaro, Kawamura, Seiji
Gravitational wave detectors, such as KAGRA, require complex mirror suspension systems to reach high sensitivity. One particular concern in these suspensions is the presence of crackling noise, where motion of the steel crystal structure disturbs mat
Externí odkaz:
http://arxiv.org/abs/2009.00400
A dual-pass differential Fabry-Perot interferometer (DPDFPI) is one candidate of the interferometer configurations utilized in future Fabry-Perot type space gravitational wave antennas, such as Deci-hertz Interferometer Gravitational Wave Observatory
Externí odkaz:
http://arxiv.org/abs/2008.12462
Akademický článek
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Publikováno v:
In Vacuum September 2023 215
Autor:
Honda, Yosuke, Shimada, Miho, Aryshev, Alexander, Kato, Ryukou, Miyajima, Tsukasa, Obina, Takashi, Takai, Ryota, Uchiyama, Takashi, Yamamoto, Naoto
Publikováno v:
Phys. Rev. Accel. Beams 22, 040703 (2019)
Accelerator-based terahertz (THz) radiation has been expected to realize a high-power broadband source. Employing a low-emittance and short-bunch electron beam at a high repetition rate, a scheme of coherent diffraction-radiation in an optical cavity
Externí odkaz:
http://arxiv.org/abs/1902.07510