Differences between revisions 1 and 2
Revision 1 as of 2018-03-13 23:20:28
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Revision 2 as of 2018-03-13 23:20:44
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 * Complete the PS calibration.
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 * Complete the signal matrix.

20180313

Today's activities

Workers: Miyo, Akutsu

  • Set calibration factors to the photosensor model based on the Simon's report on March 7 2018.
    • PS1: Y: offset: -8402 (counts), gain: -1/173 (mm/counts)
    • PS2: X: offset: -10317, gain: -1/234
    • PS3: Z: offset: -8403, gain: -1/176
    • Note that they have full meaning at the room temperature; will be changed in the cryogenic temperature.
  • Did the final check before the full closing of the IYC; will be closed tomorrow, and then pumping down.
  • [Ongoing] Need cares of water springs from anchor bolts for oplev pylons.

  • [Ongoing] Need to confirm what are the scratch lines made by the measurement by the KEK team last week.

Next plan

  • Complete the calibration of the oplev; the arm length was reported by Simon, so....
  • Check the balance of the suspended WAB with some wires and sensors are attached.
  • Check how the damping would be now after the replacement of the damping magnets.
  • Check the reproducibility of the alignment of the suspension among several modes.
  • Check heights of several points.
  • Take care of water spring??

Wanted!

  • Two burndy connectors, vacuum compatible.
  • Stages outside the chamber to ease wiping our legs.

  • Good rail(?) to move the WAB suspension in the cryostat in the main beam direction.

  • Chain block? to support the load in the chamber.

  • A clock to know the time easily.
  • M6 screw set.

LCGT/subgroup/AOS/WideAngleBuffle/2018-03-13 (last edited 2018-03-19 16:56:20 by TomotadaAkutsu)