Agenda/Minutes

Zoom Meeting

CRY+VIS Interface Meeting

Date: 2023/7/7 13:00-

Participants:

Acceptance check document

Suspensions

• Type-A: Test of the IP control with ACCs was postponed in IY. Offloaded the GAS filters in IX on 7/3.
• Type-B:
• Type-Bp:
• Type-C:

Other items

• Oplev: Check of the length Oplevs.
• ACC: Test of the IP control with ACCs in IY.
• Commissioning:
• Vacuum system:
• Heater control:
• TMS:

Post O4a

• Measurements of the DAC noise: Every Friday from 7/7.
• Measurements on the sensor correction in SR2: 1 night.
• Optimization of the damping control in PRs: Measurements 2 days, Test 3 days.
• IP control with the ACCs: Postponed the long-term test in IY.
• In-vacuum accelerometer for IOO: Install the geophone pod into the OMC chamber on 7/10.

• Hight adjustments of Type-A in the cooling: Confirm the procedure.

• Check of the length Oplev: Done except for IY.
• Noise budget of the suspensions: Finished except for the tower part.
• Temperature control for the Oplev: Preparing for the heater controller.

Discussion

VIS Meeting

Date: 2023/7/7 10:00-

Participants:

Summary Report

Type-A

• Test of the IP control with ACCs was postponed in IY.

Type-B

Type-Bp

Type-C

• Damping of the OMC suspension.
  • Design of the blade damper.
  • Design of the flexible pendulum damper.

Electronics

Control

R&D

Schedule

• Installation of the geophone pod into the OMC chamber on 7/10.
• Move the TAMA-SAS tower from the warehouse to the ATC lab on 7/19.

Toward O5

• Dropbox paper

Discussion

Next meeting

• 2023/7/21 10:00-