40m QIL Cryo_Lab CTN SUS_Lab CAML OMC_Lab CRIME_Lab FEA ENG_Labs OptContFac Mariner WBEEShop
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New entries since:Wed Dec 31 16:00:00 1969
ID Dateup Author Type Category Subject Text Attachments
  17978   Tue Nov 14 18:30:45 2023 RadhikaUpdateGeneralBeam spot position measurements after in-chamber alignment[Murtaza, Paco, Radhika]

After the input beam path alignment
was complete (arm flashing recovered), we
  17979   Wed Nov 15 15:49:34 2023 JCUpdateDaily ProgressInput Chamber Door Removed[Koji, Paco, JC]

The door of the Input
  17980   Wed Nov 15 17:37:17 2023 KojiUpdateSUSPRM SUS UL PD not respondingRadhika reported that the PRM UL OSEM PD
is not responding. This PD has been identified
to have a shorting problem, but the short
  17981   Wed Nov 15 18:50:23 2023 RadhikaUpdateGeneralREFL path bug hunting[Paco, Vittoria, Radhika]

Yesterday and today I noticed that REFLDC/REFL
  17982   Thu Nov 16 14:39:34 2023 JCUpdateBHDUpdate on BHD Parts and Cleanroom AccomodationsTask Completed Today :

D2200122 Spacer Rings have
been machined and ready for C&B
  17983   Thu Nov 16 18:29:52 2023 RadhikaUpdateGeneralREFL path bug huntingToday Yuta and I opened the BS chamber
and found that the REFL beam was misaligned
in pitch and yaw [Attachment 1]. We steered
  17984   Thu Nov 16 18:46:30 2023 KojiUpdateGeneralREFL path bug huntingI took over the IFO after Radhika left.
She found the REFL beam earlier and the PRM
alignment offset for the refl beam on the
  17985   Fri Nov 17 13:06:27 2023 KojiUpdateBHDBHD Platform InventoryI went through the inventory list and the
parts in hand to figure out what
was still missing
  17986   Fri Nov 17 17:27:19 2023 VittoriaUpdateGeneralPRMI Flashing Recovered; PRM OPLEV Centered[Yuta, Vittoria, Radhika]

PRMI flashing recovered;
  17987   Tue Nov 21 19:02:00 2023 RadhikaUpdateGeneralAll beam spot measurements after in-vacuum alignment work[Yuta, Radhika]

PRY locked and PRM/PR2/PR3
  17988   Wed Nov 22 19:55:21 2023 KojiUpdateBHDBHD Platform Inventory
PDR1V rotation stage was found
pedestal post x Qty 1 / top and bottom vent
holes machined -> to be C&Bed
  17989   Sat Nov 25 19:41:27 2023 KojiUpdateGeneralLab TempVertex is extremely hot. I'm reluctant
to go into the HEPA with clean garbings....

It seems that it started about
  17990   Sun Nov 26 16:06:22 2023 KojiUpdateBHDBHD/OMC table work- Setup the fiber
protection and stray beam shields
- Replaced brand new wedged Y1-45P
  17991   Tue Nov 28 02:01:38 2023 KojiUpdateBHDOMC lockedThe OMC was locked with Moku Pro.

Attachment 1: Electrical
setup. The RF part of the REFL PD signal
  17992   Tue Nov 28 11:56:06 2023 RadhikaUpdateGeneralVertex optics alignment OKHorizontal beam centering
along XARM

I tried to improve
  17993   Tue Nov 28 14:37:00 2023 KojiUpdateGeneralLab TempLab temperature trend for 20 and
400 days:

- The lab temp significantly raised
  17994   Tue Nov 28 17:24:44 2023 RadhikaUpdateGeneralLO/POP beams aligned[Paco, Vittoria, Murtaza, Radhika]

LO/POP alignment

  17995   Tue Nov 28 18:28:10 2023 KojiUpdateBHDBHD Optics PrepContinued on the BHD Optics Prep:

The following mounts were prepared
(they are not 100% tightened yet)
  17996   Tue Nov 28 19:47:22 2023 RadhikaUpdateBHDBHD Optics moved to BHD cleanroomAS2/AS3/BHD BS/LO3/LO4
moved to BHD cleanroom

  Draft   Wed Nov 29 12:53:25 2023 JCUpdateFrequency noise measurementSpectrogram Using GWpyI started using this new code that Rana
and I got from a random Git. It is for a
Live Specgram. I was finally able to get
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