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   * We try our best to calibrate the TWE maps. Offset, tilt and centering can largely influence our birefringence maps. We are not sure how much error is there in Hirose-san's TWE measurements.    * We try our best to calibrate the TWE maps. [[ https://gwdoc.icrr.u-tokyo.ac.jp/cgi-bin/private/DocDB/ShowDocument?docid=14009|caliTWE]] Offset, tilt and centering can largely influence our birefringence maps. We are not sure how much error is there in Hirose-san's TWE measurements.

Simulation meeting 2022 Mar 31 15:00

Zoom2: https://zoom.us/j/6676627462

Participants

Marc Eisenmann, Naoki Koyama, Haoyu Wang, Yuhang Zhao

Agenda

Updates from Projects

  • Birefringence simulation

    • The p-pol beam shape was measured in KAGRA. klog 20103

    • We try our best to calibrate the TWE maps. caliTWE Offset, tilt and centering can largely influence our birefringence maps. We are not sure how much error is there in Hirose-san's TWE measurements.

    • We remove the gravity induced deformation in the TWE maps.
  • Future plan
    • Measure p-pol beam shape for ITMY.
    • Measure power of s/p pol beam and arm cavity round trip loss.
    • Measure p-pol beam shape vs. beam position on ITMs

KAGRA/Subgroups/MIF/Simulation/SimMeeting20220331 (last edited 2022-04-04 00:18:14 by haoyu.wang)