Cryogenic System for the Interferometric Cryogenic GravitationalWave Telescope, KAGRA - Design, Fabrication, and Performance Test

被引：11

作者：

Tokoku, C. ^{[1
]}

Kimura, N. ^{[2
]}

Koike, S. ^{[2
]}

Kume, T. ^{[2
]}

Sakakibara, Y. ^{[1
]}

Suzuki, T. ^{[2
]}

Yamamoto, K. ^{[1
]}

Chen, D. ^{[1
]}

Goto, S. ^{[3
]}

Tanaka, M.

Ioka, S.

Nakamoto, K. ^{[4
]}

Nezuka, H. ^{[4
]}

Uchiyama, T. ^{[1
]}

Ohashi, M. ^{[1
]}

Kuroda, K. ^{[1
]}

机构：

[1] Univ Tokyo, ICRR, 5-1-5 Kashiwanoha, Kashiwa, Chiba 2778582, Japan

[2] High Energy Accelerator Res Org KEK, Oho, Ibaraki 3050801, Japan

[3] JECC Torisha Co Ltd, Saitama 3500833, Japan

[4] Toshiba Co Ltd, Minato Ku, Tokyo 1058001, Japan

来源：

ADVANCES IN CRYOGENIC ENGINEERING | 2014年 / 1573卷

关键词：

gravitational wave; cryocooler; low-vibration;

D O I：

10.1063/1.4860850

中图分类号：

O414.1 [热力学];

学科分类号：

摘要：

KAGRA is the cryogenic interferometric gravitational wave telescope designed for the direct detection of gravitational waves from the astronomical sources. To achieve the best sensitivity, one of the most difficult challenges is cooling the mirrors to 20K to reduce the thermal noise. We developed four cryostats and sixteen very-low-vibration cryocooler units to accomplish our purpose. In this paper, we describe the outline of the cryogenic design and fabrication, and the results of the cryogenic performance test of the cryostats and cryocooler units.

引用

页码：1254 / 1261

页数：8

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