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| ==== Report for week of 3/5 ==== * Mark finished -v2 of the schedule ([[https://gwdoc.icrr.u-tokyo.ac.jp/cgi-bin/private/DocDB/ShowDocument?docid=7779| L1807779]]). * We removed the non-vacuum-compatible ballast mass from the BS tank. * We secured all the PR2 feedthrough connections with screws. * We grabbed an extra empty rack for SRM and set it up next to the one for SR3 (we will add boxes next week). * We calibrated the SR2 SF LVDT sensing and actuation, and the FR. * We measured the bounce frequencies of the SF with and without the cap, and the bounce frequency of the BF. * We put the SF cap on and lifted and weighed the SF/... section. * However we were unhappy with how the cap had to be forced on and off and how it lowered the load capacity (≈-433 g) and resonance frequency (0.271 Hz-> 0.23 Hz). * We tried the cap left over from B2-3 used in one of the PRs, which was slightly better but still not great. * We measured diameter of the original cap (B2-2) and the new one (B2-3). The original cap was almost exactly 700 mm in internal diameter, and the new one was about 0.2 mm wider. * We moved the filter building bench and tools into the SRM area and started the rebuild of the two remaining BFs (the one from the BS Test Hang and the one with the tilted keystone). * Mark worked on slides for the ASJ and LVC meetings. * The SRM mushroom work was postponed due to other demands on the time of Sawada-san-tachi and Mirapro. |
==== Report for week of 3/19 ==== * Fujii-kun successfully assembled and tested a geophone pod (klogs 4492, 4508). * Hirata-san set up the dummy BS to soak off the sapphire prisms. (In process) * Shoda-san, Hirata-san and Enzo finished the assembly of 12 OSEMs. We still need to measure the maximum output (In process) * We will send the OSEMs to Kamioka today. * Enzo made 2 In-air picomotor cable. |
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| ==== Plan for week of 3/12 ==== * Shoda-san at Mitaka. * Mark at ASJ (Chiba) Fri, then Mitaka. * Others Kamioka Mon-Thu * F2F VIS Meeting and Farewell Party for Fabian at Mitaka on Friday. * -- * Install boxes in SR3 and SRM racks. * Lay SR3 in-air cabling. * Continue rebuild of BFs. * Ship dummy BS to Mitaka. ==== Plan for week of 3/19 ==== * Fujii-kun and Tanioka-kun join. * Mark at LVC meeting * Fujii-kun at Kamioka * All others at Mitaka * -- * Put four geophones in pods. * Make two sets of IM OSEMs * Make last in-air pico adapter cable * Make three in-air stepper splitter cables for SR2, SR3 and SRM. * Set up Dummy BS prism removal. |
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| * Tanioka-kun joins. | |
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| * SF Check | * Lay SR3 in-air cabling (Enzo++). * Finish tuning of BFs (Hirata-san++). * SF check (Hirata-san++). |
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==== Plan for week of 4/2 ==== * Mark at Mitaka Mon, Kamioka from Tue. * Shoda-san at Mitaka * Others at Kamioka * -- * Glue SR3 (if available) * Build 2xIM, 2xIRM (if parts available - due 3/30) ==== Plan for week of 4/9 ==== * Shoda-san at Mitaka * Others at Kamioka * -- * Finish IMs and IRMs * Build 1xRM ==== Plan for week of 4/16 ==== * Start SR3 Hang? ==== Plan for week of 4/23 ==== * F0 blade prototype test ==== Plan for week of 4/30 ==== * Golden Week! |
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| * Hirata-san vacation, Mon 3/5. |
Scraps of text for incorporation in the VIS Meeting Minutes
KAGRA/Subgroups/VIS/MeetingNAOJ
Type B (Mark)
Report for week of 3/19
- Fujii-kun successfully assembled and tested a geophone pod (klogs 4492, 4508).
- Hirata-san set up the dummy BS to soak off the sapphire prisms. (In process)
- Shoda-san, Hirata-san and Enzo finished the assembly of 12 OSEMs. We still need to measure the maximum output (In process)
- We will send the OSEMs to Kamioka today.
- Enzo made 2 In-air picomotor cable.
Plan for week of 3/26
- Tanioka-kun joins.
- Mark vacation.
- Shoda-san at Mitaka
- Others at Kamioka
- --
- Lay SR3 in-air cabling (Enzo++).
- Finish tuning of BFs (Hirata-san++).
- SF check (Hirata-san++).
- Check load capacity.
- Check fit of caps.
- Add cable clamps to bases.
- Add cable clamps and Cu segments to caps (only if they fit well).
- Cable LVDTs and steppers.
Plan for week of 4/2
- Mark at Mitaka Mon, Kamioka from Tue.
- Shoda-san at Mitaka
- Others at Kamioka
- --
- Glue SR3 (if available)
- Build 2xIM, 2xIRM (if parts available - due 3/30)
Plan for week of 4/9
- Shoda-san at Mitaka
- Others at Kamioka
- --
- Finish IMs and IRMs
- Build 1xRM
Plan for week of 4/16
- Start SR3 Hang?
Plan for week of 4/23
- F0 blade prototype test
Plan for week of 4/30
- Golden Week!
To-Do Lists, Schedule
Vacation Info
- Mark at LVC, then vacation, 3/18 (Sun) - 4/1 (Sun)
- Fabian vacation, 3/26-4/27 (then gone).