書誌事項
- タイトル別名
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- Vacuum and Insulation Technology for Large-scale Cryogenic Gravitational wave Telescope (LCGT)
- オオガタ テイオン ジュウリョクハ ボウエンキョウ LCGT ニ オケル シンクウ ギジュツ ト ダンネツ ギジュツ
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説明
The Large-scale Cryogenic Gravitational wave Telescope (LCGT) requires ultrahigh vacuum tubes, through which laser beams passed. Two 3-km vacuum tubes are kept at a vacuum pressure of ~10-7 Pa so as to reduce the scattering effect caused by residual gas molecules. The mirrors of the main interferometer are cooled to 20 K to reduce thermal noise. The evacuated multi-layer insulation (MLI) consists of organic films with aluminum coatings, which are generally used as thermal insulation for cryostats. We found a lightweight MLI film that has a low out-gassing rate comparable to that of the buffed surface of stainless steel.
収録刊行物
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- 低温工学
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低温工学 46 (7), 408-414, 2011
公益社団法人 低温工学・超電導学会 (旧 社団法人 低温工学協会)
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詳細情報 詳細情報について
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- CRID
- 1390282679589320064
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- NII論文ID
- 10029655827
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- NII書誌ID
- AN00333419
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- ISSN
- 18800408
- 03892441
- http://id.crossref.org/issn/00112275
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- NDL書誌ID
- 11203828
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- 本文言語コード
- ja
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- データソース種別
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- JaLC
- NDL
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- 使用不可