Regular Meeting 0910

Participants

Kokeyama, Ge, Green, Huang, Uehara

Announcement

• Power outage recovery on 9/10
• Due to the commissioning, we meet at 8:00 in the ctl room and mine work at 8:30
• JPS on 14th Sep

Schedule for Phase-2

• Chart https://docs.google.com/spreadsheets/d/19xC6L0TJmjMtuSEoGe7Z7SVVK78MD4S52m0Hm0C5IKw/edit

• Punchlist https://docs.google.com/spreadsheets/d/1hHhXEqC5DwITUqYFjVgB-ZnAb53V1C4OlaeYNqjblCI/edit#gid=0

Report from the Last 2 weeks

• IMC - MC REFL dust shield is ready.
• MZM - Realigned the 2nd MZI. Realigned and ready to the measurement.
• RAM - Experimental setup finished. Digital model and screens will be built.
• HPL - High power laser safety treatment started. Beam dump made of heat sinks were ordered. Also for the coating. Laser power is 1 W, with the PMC locked fine. FSS is being prepared. IMC will be locked after that. Uehara, Akutsu, Kokeyama started preparing the in-vac beam dumps. High power test with IMC will be in Nov.
• PEM - Two additional microphones were installed in MC REFL (by T Tanaka). Beating sound was found in PSL room. Yokozawa-kun will do some measurement. 1900Hz?
• IMMT1/IMMT2 - TFs and coil balance are finished. Moved for the IFO alignment.
• MCO - Coil balance was done again for the ASC control

• RefCav -

Plans for the coming 2 weeks

• IMC - Power adjustment system will be installed on the REFL. ASC.
• RAM - Digital models and screens. RAM optimization by chancing HWP.
• MZM - Displacement and loop measurement for the 2nd MZI.
• PEM - PSL sound and IMC sound
• HPL - Heat sink type baffle installation on PSL. Beam dump for invac dump design. Beam shutter is ready except the solenoid driver (Aritomi-kun in Hongo).
• Miyoki-san - Water cooling beam dump. (ALS installation ongoing)

Visitors

• GE, guiguo from WIPM
• Tanioka-kun from 8/22 (IMC ASC)

• https://teamup.com/kswnmta8p18h6u1uab

• Anna G from Sep 5th
• Fujii-kun (Niigata) from Sep 3rd

Absence

• Nakano-kun 10th-12th
• Yamakoh in Kashiwa next week

Next meeting

• Sep 26th Wed