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Detector configuration of KAGRA - the Japanese cryogenic gravitational-wave detector

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arxiv 1111.7185 v2 pith:44HSYIZY submitted 2011-11-30 gr-qc physics.ins-det

Kentaro Somiya (for the KAGRA Collaboration) This is my paper · ORCID
classification gr-qcphysics.ins-det
keywords detectorkagraconfigurationgravitational-wavejapanesequantumableadvanced
verification ladder T0 review T1 audit T2 compute T3 formal
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Construction of the Japanese second-generation gravitational-wave detector KAGRA has been started. In the next 6 \sim 7 years, we will be able to observe the space-time ripple from faraway galaxies. KAGRA is equipped with the latest advanced technologies. The entire 3-km long detector is located in the underground to be isolated from the seismic motion, the core optics are cooled down to 20 K to reduce thermal fluctuations, and quantum non-demolition techniques are used to decrease quantum noise. In this paper, we introduce the detector configuration of KAGRA; its design, strategy, and downselection of parameters.

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