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Size: 1762
Comment:
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Size: 1743
Comment:
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| Deletions are marked like this. | Additions are marked like this. |
| Line 52: | Line 52: |
| * Frequency noise can be measured by middle lock. Large intensity noise can be a problem. | |
| Line 54: | Line 55: |
| == 4. Phase2 == |
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| Line 57: | Line 56: |
| * Frequency noise can be measured by middle lock. Large intensity noise can be a problem. |
Minute of KAGRA commissioning meeting
- Date: 2018/3/27 11AM~12PM
- Attendance: Miyakawa, Uchiyama, Yamamoto, Ohashi, Miyoki
- eZuce: Kimura, Suzuki, Yokozawa, Inoue, Shoda, Ushiba, Tomaru
1. Report of work of the last week and plan of work
- Alignment, ETMY: Izumi
- Mirror motion has been suppressed to ~2urad. Requirement is 1urad.
- Beam is checked almost every night.
- MIF: Izumi
- k1bs, k1imc will be connected by Dolphin. ETMs are connected to k1imc by RFM.
- CAL: Yamamoto, Yokozawa
- Started using IMC as training of calibration.
- Simple calibration will be implemented.
- X end PD is removed at 3/27 today.
- Started using IMC as training of calibration.
- ETMX:
- Connection between Type A and Cryopayload is done. Cabling is done.
- Height somehow changed from the last week to this week. We are fixing it, but it seems to change daily.
- Alignment will be roughly adjusted today, and first contact will be removed today.
- Circuits and connection to digital system are done. We started matrix tuning.
- Viewport of Oplev is missing. It will be placed the next, but we need indium.
2. ETMX pump-down
- See the check list.
3. Operation
- Please reply accommodation mail from Uchiyama-san.
- Think for emergency.
4. Tasks or discussions
Selection of full channel -> DGS Yamamoto
Selection of science channel -> Commissioning Izumi
- Screens at control room
- Sensitivity.
- PEM.
- Needs laser safety information.
GW alert: online alert in the control room might be prepared. -> Togoshi
- Frequency noise can be measured by middle lock. Large intensity noise can be a problem.
Others
- Next meeting: 3/27