2019/2/6(Wed.)

Weekend

Schedule

• Current status as of 1/22: IR and Green reached X end PD.

• 1/22: Surface inspection for PR mirrors. Cleaning will be done after 1/31.

• 1/23: Surface inspection for SR mirrors.

• 1/24-25: Cleaning HR of SR3, SRM.

• 1/23: BS is aligned to Y-end PD by IR.

• 1/27: ITMY is aligned to REFL by IR.

• 1/27: ITMX is aligned to REFL by IR.

• 1/27: Beam position of IR at SR3 is confirmed how far from the center.

• 1/28-29: SR3 is aligned to SR2 center by IR.

• 1/28: Alignment of SR2 -> SRM by IR.

• 1/29: Green beam is injected from SR2 AR surface to Y end PD.

• 1/31: Removing bellows at PR and SR area.

• 1/31-2/1: Cleaning HR of PR3 and HR, AR of SR2

• 2/5: Alignment of SRM to OMMT1 by IR

• 2/6-8: OMMT -> OSTM by IR, OSTM -> OMC by IR

• 2/6-8: Alignment of ETMY -> POS by Green

• 2/12-15: Closing door for central area, pumping down
  • needs drift monitor for VIS

Note

• Today is the last day of Wang-san.
• Report klog, and gokagra ML if urgent things.
• If you work other location from where it was confirmed at the morning meeting, please contact related poeple.

Report of work

• Type B: Height of SRs were adjusted.
• COM: Beam was aligned to OMMT1 but had 2-3cm off from center.
  • OMMT1 suspension will be moved on Friday.
  • Beam reached to OMMT2 already but off from the center in 2-3cm as the same oder as OMMT1.
• ETMY: Mechanical trouble or something caused that ETMY did not work well. TF was something wrong.
• Oplev beam of SR? was hit at edge of optical table but it was fixed.
• SR models was splited.
• Pcal: QPD at ETMY was installed.

Work plan

• COM: ETMY alignment by green.
• PCal: Needs little more ealignment.