• KAGRA
• Subgroups
• IOO
• Meeting
• Meeting20190718

OMC meeting

Time scale

• Middle October

Action items

• Test on the AS table (Kokeyama)
  • Measure the transmission outside
  • Extract the actual beam, put it in the OMC
  • Beam position check with single bounce
  • OMC1 mirror inspection
  • Check the mount size for modification
  • Check the beam spots with a good alignment
• PD holder modification (Somiya, Sato)
• Mirror mount modification
  • Order PZT now (Somiya)
  • Machine the spare mount, glue the mirrors, and send to Kamioka
  • Control the mount of glue (careful procedure the glueing)
• Assembly procedure document and review
• Cable on the beam path
  • no idea
  • Discuss in front of the OMC (Kokeyama, Aso)
• 700Hz damping structure (Somiya)
  • LIGO parametric instability damper type thing (dynamic damper)
  • Spring damping
  • Damping metal M2052
• Check the OMC suspension actuator in LIGO (Somiya)
• Ghost beam OMC3 and 4, QPDs are not dump
  • Order more beam dump (KG5) as spare (Somiya)
  • Do we re-produce balanced masses?
• AS table laser is 50mW
• OMC REFL TRANS mounts (enrage the holes) 後で決める