Differences between revisions 1 and 4 (spanning 3 versions)
⇤ ← Revision 1 as of 2019-10-07 14:38:28 →
Size: 828
Editor: MasayukiNakano
Comment:
← Revision 4 as of 2019-10-07 17:53:26 → ⇥
Size: 1747
Editor: MasayukiNakano
Comment:
Deletions are marked like this. Additions are marked like this.
Line 8: Line 8:
Ohakawa, Sugai, Uehara, Takahashi, Fujikawa, Tanaka, (Akutsu), Somiya,
Line 20: Line 20:
 * The beam position on the MCo is off-centered by 1.5 mm or more.  * The beam position on the MCo is off-centered by 1.5 cm or more.
Line 29: Line 29:
 * OMC commissioning is ongoing.
  *		  * OMC commissioning is ongoing. (somiya)
  * At Sep. 25th. The jig was manufactured and tested. However, the PZT cable cannot be connected with the jig, and it is modified now. ->
  * The QPD driver did not work well, however, the driver itself seemed fine. -> Test with the LED.
  * PZT driver is not delivered yet.
  * OMC glue jig?
  * PD mount will be delivered ~10/18.
  * Curved steering mirror will be delivered ~end Oct.
Line 32: Line 37:
 * OSTM replacement  * OSTM replacement (takahashi)
  * Next week, the suspension will be assembled and tested with the dammy mirror.
  * The mirror is delivered to NAOJ, and Matteo is working in the inspection.
  
 * Installation schedule arrangement:
  * OSTM should be installed after the OMC.
  * Beam dump?
  * 情報集め→中の

 * RF PD has small power and it might limit the sensitivity soon.
Line 36: Line 50:
  *
Line 38: Line 53:
  * Have another meeting on 10/8. Detail will be discussed there.

IOO meeting 2019 1007

Connection

Zoom3: https://zoom.us/j/5045179604

Participants

Ohakawa, Sugai, Uehara, Takahashi, Fujikawa, Tanaka, (Akutsu), Somiya,

Announcements

* MZM paper was approved. *

Conferences

Recent Status

IMC

  • The beam position on the MCo is off-centered by 1.5 cm or more.
    • We might leave it by O3. It needs to vent the chamber to fix it.

IFI

  • The input beam seems to be clipped at the IFI. We are working on fixing it.

OMC, OMMT, OSTM

  • OMC commissioning is ongoing. (somiya)

    • At Sep. 25th. The jig was manufactured and tested. However, the PZT cable cannot be connected with the jig, and it is modified now. ->

    • The QPD driver did not work well, however, the driver itself seemed fine. -> Test with the LED.

    • PZT driver is not delivered yet.
    • OMC glue jig?
    • PD mount will be delivered ~10/18.
    • Curved steering mirror will be delivered ~end Oct.
  • OSTM replacement (takahashi)
    • Next week, the suspension will be assembled and tested with the dammy mirror.
    • The mirror is delivered to NAOJ, and Matteo is working in the inspection.
  • Installation schedule arrangement:
    • OSTM should be installed after the OMC.
    • Beam dump?
    • 情報集め→中の
  • RF PD has small power and it might limit the sensitivity soon.

Niigata

  • Double demodulation
  • Scattering measurement
    • Have another meeting on 10/8. Detail will be discussed there.

Visitor

  • June Gyu Park from Oct. 4th to
  • Anamaria from LIGO ?? in Nov.?

Travel

  • Nakano to LLO ~2 weeks in Oct.

Meeting schedule

  • 11/11 (Mon.)
  • 12/2 (Mon.)

KAGRA/Subgroups/IOO/Meeting/Meeting20191007 (last edited 2019-10-07 17:53:26 by MasayukiNakano)