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| [[https://onedrive.live.com/view.aspx?resid=8E8081C20FE5EC3A!2278&ithint=file%2cxlsx&authkey=!AMFNtNa-Y6CVp94|Post-O3 task list]] | [[https://onedrive.live.com/view.aspx?resid=8E8081C20FE5EC3A!2278&ithint=file,xlsx&authkey=!AMFNtNa-Y6CVp94|Post-O3 task list]] |
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| * Kokeyama-san reported that the orientation of the mirror was incorrent in MISALIGNED state: the beam was not going into the beam dump and the beam was not going onto the PSD (see klog entry [[http://klog.icrr.u-tokyo.ac.jp/osl/?r=11260|11260]] and links thereir): * Against our expectations the beam goes ontt the PSD in ALIGNED state. * In such a state in order to misalign the mirror actuation was applied to test channels BF yaw, IM yaw and IM pitch and the output of the oplev DC control were frozen. * I found a new set of suitable offsets. See klog entry . * Fortunatelly in the new appropriate orientation the IM is closer to the SAFE, so nothing is expected to be touching. * Yamamoto-kun and I created a snapshot file for the MISALIGNED state usind the SDF and updated the new values. |
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Agenda/Minutes of the VIS Meeting on 2019/11/1
2019/11/1 14:00 -
Participants:
Progress report
Type-A
Past week report
Plan for coming weeks
Type B
Past week report
Plan for coming weeks
Type-Bp
Past week report
Kokeyama-san reported that the orientation of the mirror was incorrent in MISALIGNED state: the beam was not going into the beam dump and the beam was not going onto the PSD (see klog entry 11260 and links thereir):
- Against our expectations the beam goes ontt the PSD in ALIGNED state.
- In such a state in order to misalign the mirror actuation was applied to test channels BF yaw, IM yaw and IM pitch and the output of the oplev DC control were frozen.
- I found a new set of suitable offsets. See klog entry .
- Fortunatelly in the new appropriate orientation the IM is closer to the SAFE, so nothing is expected to be touching.
- Yamamoto-kun and I created a snapshot file for the MISALIGNED state usind the SDF and updated the new values.
Plan for coming weeks
OMMT & OSTM (Takahashi)
Past week report
- M2052 bars for OMC are under ECB process.
Plan for coming weeks
- Assembly and test of the OSTM suspension.
- The mirror will be ready with the first contact.
VIS electronics
Past week report
Plan for coming weeks
Other site works
Safety
- Incidents:
Discussion
- Time slots in the next F2F meeting: Request two slots (commissioning by Okutomi and future plan by Takahashi)
Travel Plans
- Travel (Week of 11/4):
- Takahashi: 5-7
- Sato: 5-7
- Hirata:
- Shoda:
- Fujii:
- Tanaka:
- Travel (Week of 11/11):
- Takahashi:
- Sato:
- Hirata:
- Shoda:
- Fujii:
- Tanaka:
Next meeting
On 2019/11/8(Fri)