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Participants: Participants: Michimura, Miyakawa, Kokeyama, Miyo, H. Yamamoto, Aso
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  * Michimura will become the chief of MIF. Aso will become the sub-chief.
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  * iKAGRA beam spot positions [Aso]
  * Post run calibration mystery [Aso]
  * iKAGRA beam spot positions [Aso] [[http://klog.icrr.u-tokyo.ac.jp/osl/?r=1740|klog]]
  * Post run calibration mystery [Aso] [[https://nbviewer.jupyter.org/urls/dl.dropbox.com/s/co1zf6k306ca0b3/Post-Run%20MICH%20Calibration.ipynb|Notebook]]
   * Transfer function measurements from single ETM to the MICH error signal shows no LPF. -> excludes the possibility of a hidden LPF in the analog chain.
   * Differential time delay between ETMX and ETMY could be a cause but not so sure.
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 * Mirror absorption measurement status (if any) [Hirose]   * Moving PR2 and PR3 by 1cm each will stabilize the PRMI
  * HOM structure and the length sensing signals need to be checked.

ISC Meeting on 2016/5/16

2016/5/16 14:00 - 15:00

Participants: Michimura, Miyakawa, Kokeyama, Miyo, H. Yamamoto, Aso

Agenda

  • Swtitch of the chief and sub-chief
    • Michimura will become the chief of MIF. Aso will become the sub-chief.
  • iKAGRA post-run measurements
    • iKAGRA beam spot positions [Aso] klog

    • Post run calibration mystery [Aso] Notebook

      • Transfer function measurements from single ETM to the MICH error signal shows no LPF. -> excludes the possibility of a hidden LPF in the analog chain.

      • Differential time delay between ETMX and ETMY could be a cause but not so sure.
  • bKAGRA phase 1 optical configuration [Aso] Slides

    • Moving PR2 and PR3 by 1cm each will stabilize the PRMI
    • HOM structure and the length sensing signals need to be checked.

KAGRA/subgroup/ifo/MIF/Minutes20160516 (last edited 2016-05-17 04:55:00 by YoichiAso)