DSpace at EWHA: The Current Status and Future Prospects of KAGRA, the Large-Scale Cryogenic Gravitational Wave Telescope Built in the Kamioka Underground

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The Current Status and Future Prospects of KAGRA, the Large-Scale Cryogenic Gravitational Wave Telescope Built in the Kamioka Underground

Title: The Current Status and Future Prospects of KAGRA, the Large-Scale Cryogenic Gravitational Wave Telescope Built in the Kamioka Underground

Authors: Abe H.; Akutsu T.; Ando M.; Araya A.; Aritomi N.; Asada H.; Aso Y.; Bae S.; Bajpai R.; Cannon K.; Cao Z.; Capocasa E.; Chan M.L.; Chen D.; Chen Y.-R.; Eisenmann M.; Flaminio R.; Fong H.K.; Fujikawa Y.; Fujimoto Y.; Putu Wira Hadiputrawan I.; Haino S.; Han W.; Hayama K.; Himemoto Y.; Hirata N.; Hirose C.; Ho T.-C.; Hsieh B.-H.; Hsieh H.-F.; Hsiung C.-H.; Huang H.-Y.; Huang P.; Huang Y.-C.; Huang Y.-J.; Hui D.C.Y.; Inayoshi K.; Inoue Y.; Itoh Y.; Jung P.-J.; Kajita T.; Kamiizumi M.; Kanda N.; Kato T.; Kim C.; Kim J.; Kim Y.-M.; Kobayashi Y.; Kohri K.; Kokeyama K.; Kong A.K.H.; Koyama N.; Kozakai C.; Kume J.; Kuroyanagi S.; Kwak K.; Lee E.; Lee H.W.; Lee R.-K.; Leonardi M.; Li K.-L.; Li P.; Lin L.C.-C.; Lin C.-Y.; Lin E.-T.; Lin H.-L.; Liu G.-C.; Luo L.-W.; Ma’arif M.; Michimura Y.; Mio N.; Miyakawa O.; Miyo K.; Miyoki S.; Morisue N.; Nakamura K.; Nakano H.; Nakano M.; Narikawa T.; Quynh L.N.; Nishimoto T.; Nishizawa A.; Obayashi Y.; Oh K.; Ohashi M.; Ohashi T.; Ohkawa M.; Okutani Y.; Oohara K.-I.; Oshino S.; Pan K.-C.; Parisi A.; Park J.G.; Peña Arellano F.E.; Saha S.; Sakai K.; Sawada T.; Sekiguchi Y.; Shao L.; Shikano Y.; Shimizu H.; Shimode K.; Shinkai H.; Shoda A.; Somiya K.; Song I.; Sugimoto R.; Suresh J.; Suzuki T.; Tagoshi H.; Takahashi H.; Takahashi R.; Takeda H.; Takeda M.; Taruya A.; Tomaru T.; Tomura T.; Trozzo L.; Tsang T.T.L.; Tsuchida S.; Tsutsui T.; Tuyenbayev D.; Uchikata N.; Uchiyama T.; Uehara T.; Ueno K.; Ushiba T.; van Putten M.H.P.M.; Washimi T.; Wu C.-M.; Wu H.-C.; Yamada T.; Yamamoto K.; Yamamoto T.; Yamazaki R.; Yeh S.-W.; Yokoyama J.; Yokozawa T.; Yuzurihara H.; Zeidler S.; Zhao Y.

Ewha Authors: 김정리

SCOPUS Author ID: 김정리

Issue Date: 2022

Journal Title: Galaxies

ISSN: 2075-4434

Citation: Galaxies vol. 10, no. 3

Keywords: cryogenics; gravitational wave detector; laser interferometer; underground

Publisher: MDPI

Indexed: SCOPUS

Document Type: Article

Abstract: KAGRA is a gravitational-wave (GW) detector constructed in Japan with two unique key features: It was constructed underground, and the test-mass mirrors are cooled to cryogenic temperatures. These features are not included in other kilometer-scale detectors but will be adopted in future detectors such as the Einstein Telescope. KAGRA performed its first joint observation run with GEO600 in 2020. In this observation, the sensitivity of KAGRA to GWs was inferior to that of other kilometer-scale detectors such as LIGO and Virgo. However, further upgrades to the detector are ongoing to reach the sensitivity for detecting GWs in the next observation run, which is scheduled for 2022. In this article, the current situation, sensitivity, and future perspectives are reviewed. © 2022 by the authors. Licensee MDPI, Basel, Switzerland.