| 研究課題/領域番号 |
15H02095
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| 研究機関 | 国立天文台 |
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研究代表者 |
フラミニオ ラファエレ 国立天文台, 重力波プロジェクト推進室, 特任教授 (10723108)
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| 研究分担者 |
宗宮 健太郎 東京工業大学, 理学院, 准教授 (10582603)
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| 研究期間 (年度) |
2015-04-01 – 2018-03-31
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| キーワード | gravitational wave / quantum noise / squeezed vacuum / filter cavity |
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| 研究実績の概要 |
During FY2017 the filter cavity was assembled and aligned on both the green beam produced with the second harmonic generator and the infrared beam of the main laser. Then the cavity was locked to the resonance of the green beam. Finally the difference in frequency between the infrared beam and the green beam was tuned so to have both beam resonant in the filter cavity at the same time. In these conditions the optical losses experienced by the infrared beam in the cavity were measured and found to be consistent with the simulation done beforehand. A paper has been written on this result and it will be submitted to a journal soon.
In parallel all the components for producing the squeezed vacuum state to be injected into the cavity have been built and assembled.
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| 現在までの達成度 (段落) |
29年度が最終年度であるため、記入しない。
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| 今後の研究の推進方策 |
29年度が最終年度であるため、記入しない。
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