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Published August 15, 2013 | Submitted + Published
Journal Article Open

Interferometer design of the KAGRA gravitational wave detector

Abstract

KAGRA is a cryogenic interferometric gravitational-wave detector being constructed at the underground site of Kamioka mine in Gifu prefecture, Japan. We performed an optimization of the interferomter design, to achieve the best sensitivity and a stable operation, with boundary conditions of classical noises and under various practical constraints, such as the size of the tunnel or the mirror cooling capacity. Length and alignment sensing schemes for the robust control of the interferometer are developed. In this paper, we describe the detailed design of the KAGRA interferometer as well as the reasoning behind design choices.

Additional Information

© 2013 American Physical Society. Received 16 June 2013; published 20 August 2013. The authors are grateful to Rana Adhikari, Koji Arai, Keita Kawabe, Matt Evans, Lisa Barsotti, and Mike Smith for helpful discussions and advice. This work was supported by the Leading-edge Research Infrastructure Program of Japan. The LIGO Observatories were constructed by the California Institute of Technology and Massachusetts Institute of Technology with funding from the NSF under cooperative agreement PHY-9210038. The LIGO Laboratory operates under cooperative agreement PHY-0107417.

Attached Files

Published - PhysRevD.88.043007.pdf

Submitted - 1306.6747v1.pdf

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Additional details

Created:
August 19, 2023
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October 24, 2023