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TAMA300 オンライン雑音解析 (2)

TAMA300 オンライン雑音解析 (2). 国立天文台　辰巳大輔 他 TAMA Collaboration. ２００ 4 年春　物理学会 ３月３０日 ＠九州大学箱崎地区. 目次. １． 前回の復習　（雑音解析） ２． Data Taking 9 について ３． DT9 における雑音解析の結果. 前回の話. 対象とした雑音 １． Power Recycled Michelson 部分の雑音 (l - : slm) ２．レーザー強度雑音　 (Intensity Noise). 　雑音の混入メカニズム（伝達関数） のモデル化

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TAMA300 オンライン雑音解析 (2)

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  1. TAMA300 オンライン雑音解析(2) 国立天文台　辰巳大輔 他 TAMA Collaboration ２００4年春　物理学会 ３月３０日 ＠九州大学箱崎地区

  2. 目次 １．前回の復習　（雑音解析） ２．Data Taking 9 について ３．DT9 における雑音解析の結果

  3. 前回の話 対象とした雑音 １．Power Recycled Michelson 部分の雑音 (l- : slm) ２．レーザー強度雑音　(Intensity Noise) • 　雑音の混入メカニズム（伝達関数） • のモデル化 • 　オンラインでの変位雑音評価のテスト

  4. WFer Noise Mechanism(l- noise) H UGF: 20Hz coupling constant Hslm H - - (llm) (slm) D Dslm A Aslm F Fslm WFslm V2 V4 Noise Transfer Function = V4 / V2

  5. dT WFer Noise Mechanism(Intensity Noise) coupling constant UGF: 50kHz HINT H Intensity Noise - - (llm) (INT) D DINT A AINT F FINT DINT WFINT V4 V3 Noise Transfer Function = V4 / V3

  6. Calibration Peaks forOnline Noise Evaluation

  7. Typical Noise Spectrum

  8. SNRs for Inspiraling Binaries

  9. Histgram of SNRs

  10. Coupling Coefficientfrom l- to L- (5.38±0.02) x10-9

  11. Coupling Coefficientfrom Intensity to L- (8.0±5.1 ) x10-11

  12. Rmax • Rmax > 1 • 0.01% =2 / 21497 events ( l- / L- ) spectrum

  13. Rmax • Rmax>1 • 49% =10504 / 21497 events ( Intensity / L- ) spectrum

  14. Group 2 Group 1 fmax / fsum

  15. Intensity Noise (1)

  16. Intensity Noise (2)

  17. Contribution of Intensity noise Is well consistent with Data Online Noise Evaluation(L-, l-, Intensity) Intensity Noise Enhancement 1. Intensity Servo OFF 2. l- offset

  18. Intensity Noise (2)

  19. dT WFer Noise Mechanism(Intensity Noise) coupling constant UGF: 50kHz HINT H Intensity Noise - - (llm) (INT) D DINT A AINT F FINT DINT WFINT V4 V3 Noise Transfer Function = V4 / V3

  20. fsum > 1kHz 7% = 1478 events Intensity Noise (2)

  21. 今までのまとめ • Coupling Coefficient l- (5.38±0.02) x10-9 Intensity (8.0 ±5.1 ) x10-11 • Rmax > 1 (1 min. ) l- 0.01% =2 / 21497 events Intensity 49% =10504 / 21497 events (fsum > 1kHz 7% = 1478 events)

  22. Dark Port DC Power

  23. 10 Msolar Binaries Dark Port DC Power /SNR for inspiraling binaries NS binaries

  24. Dark Port DC Power /SNR for inspiraling binaries 10 Msolar Binaries

  25. Dark Port DC Power /SNR for inspiraling binaries 10 Msolar Binaries

  26. Intensity Noise (Ex.1)

  27. Intensity Noise (Ex.2)

  28. fmax / Rmax

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