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Revision 1 as of 2018-05-01 10:57:47
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  * eZuce: Suzuki, Uchiyama, Takahaashi, Ohashi   * eZuce: Suzuki, Uchiyama, Takahaashi, Ohashi, Haino, Shoda, Nakano
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== Operation == == 1. Operation ==
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 * Duty cycle is 80-90%.   * Duty cycle is 80-90%.
  * iMC is quite stable.
  * DAC of PR3 was dead. That was the biggest trouble.
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== 2. Report of work of the last week and plan of work ==
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 * IFO, ETMs: *Izumi, Enomono
  * Alignment work is mainly done. 3 DOF of alignment is contolled
  * Typical locking time is ~several hours. Longest was 10 hours or something.
  * iKAGRA Guardian code was mainly reused and modified.
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== 1. Report of work of the last week and plan of work ==

 * VAC:
  * Door was closed and pump down started. One large leak was found and it is being searched where it is.

 * IFO, ETMs: Enomono, Ushiba
  * Michelson fringe was seen on DC and RF, but still mirror motion is too large.
  * Needs more work for damping for both ETMs, L2P of BS.

 * DGS:
  * IO chassis of k1ioo was disconnected somehow. It is being checked now.

 * DAQ:
  * Recoding minute_raw of k1fw1 moved to SSD at k1tw1. All fw0,1 tw0,1 are working well without any gap on data.


== 2. Operation ==

 * Noise injection needs some preparations for speakers.
 * Schnupp asymmetry need some preparations.
 * Other plan seems to be ready.
 * CBC will perform an online analysis.

 
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 * GW alert: online alert in the control room might be prepared. -> Togoshi
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 * Laser power of oplev started dropping, specially lasers where are close to cryostat for year term.
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 * Phase 1 summarize should talk wide range view.
  * Type A has double stable point.
  * Monitor for water level, and vacuum gage for weekend should be implemented.
  * Patrol light should be implemented soon, even manual one.
 * Baffle at ETMX will extracted in the week of 5/7, and it will be black coated.
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 * Next meeting: 4/24  * Next meeting: 5/8.

Minute of KAGRA commissioning meeting


  • Date: 2018/5/1 11AM~12PM
  • Attendance: Miyakawa, Kokeyama, Aso, Miyoki, Ushiba, Tomaru
    • eZuce: Suzuki, Uchiyama, Takahaashi, Ohashi, Haino, Shoda, Nakano


1. Operation

  • Going well.
    • Duty cycle is 80-90%.
    • iMC is quite stable.
    • DAC of PR3 was dead. That was the biggest trouble.

2. Report of work of the last week and plan of work

  • IFO, ETMs: *Izumi, Enomono
    • Alignment work is mainly done. 3 DOF of alignment is contolled
    • Typical locking time is ~several hours. Longest was 10 hours or something.
    • iKAGRA Guardian code was mainly reused and modified.

3. Tasks or discussions

  • 5/28 extend chief meeting for looking back phase 1.

Others

  • Baffle at ETMX will extracted in the week of 5/7, and it will be black coated.
  • Next meeting: 5/8.

KAGRA/Commissioning/Weekly/20180501/Minute (last edited 2018-05-01 11:49:04 by OsamuMiyakawa)