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| ==== Past two weeks report ==== Kamioka (Mark, Enzo, Kozu-kun): * Supported IA team. * Replaced LPCDs for IM OSEMs with HPCDs for increased pitch/yaw range. * Re-zeroed OL after significant change of beam position during IA. * Re-laid-out OL to improve focus of lens to LEN QPD. * Offloaded the pitch/yaw actuation at the IM OSEMs using the IM pitch/yaw picos. * Enzo worked on design of control loops using the OL. * Kozu-kun worked on diagonalizing the OL. |
==== Past week report ==== |
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| Mitaka (Fabian, Hirata-san): * Fabian did mechanical design: * F0 FR * Cable clamps for the SR IP base. * New SR recoil ballast masses. * LBB ballast. * Update of BS 3D CAD with the as-built ballast. * Hirata-san * made and updated inventory list for SR. * made order list and asked some quotes. * Ordered some parts. * Talked with mirapro about SRM optical bench. * Made some drawings for SR preparation. ==== Plan for week of 11/13 ==== Enzo and Kozu-kun at Mitaka * Servos * Diagonalization of OL * TFs of BF * Documentation Mark and Fabian at Kamioka. * Mark attends commissioning workshop at U Toyama. * Support BF characterization work. * Prepare for mirror gluing. * Prepare for IM assembly. Hirata-san at Mitaka * SR procurement. * Get BS prism-gluing jigs reworked for use with PR/SR mirror box. |
* Mark and Fabian did a huge cleanup of the SR2 area and prepared a workspace for assembling the IM. * Fabian did a stocktake of the screws for the SR. * We have all we need for the IM, except one type that can be added after the rest of the IP is assembled. * We have most of what we need for the rest of the payload, and Hirata-san has ordered the others. * Hirata-san worked on SR procurement: * Suspension wire * SR additional parts (compensation masses, clamps etc) * Regular, SDC and BUMAX screws. * Additional machining on the BS sapphire prism jig to allow it to be used on the PR/SR mirror box. * LBB blade design. * Enzo and Kozu-kun (with help from Fujii-kun) worked on export from SUMCON to Matlab, and on filter design). |
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| * All at Mitaka. * SR procurement, planning (Mark, Hirata-san) * SR mass budget (Fabian) * BS modeling filter design (Enzo, Kozu-kun) ==== Plan for week of 11/27 ==== |
Scraps of text for incorporation in the VIS Meeting Minutes
KAGRA/Subgroups/VIS/MeetingNAOJ
Type B (Mark)
Past week report
- Mark and Fabian did a huge cleanup of the SR2 area and prepared a workspace for assembling the IM.
- Fabian did a stocktake of the screws for the SR.
- We have all we need for the IM, except one type that can be added after the rest of the IP is assembled.
- We have most of what we need for the rest of the payload, and Hirata-san has ordered the others.
- Hirata-san worked on SR procurement:
- Suspension wire
- SR additional parts (compensation masses, clamps etc)
- Regular, SDC and BUMAX screws.
- Additional machining on the BS sapphire prism jig to allow it to be used on the PR/SR mirror box.
- LBB blade design.
- Enzo and Kozu-kun (with help from Fujii-kun) worked on export from SUMCON to Matlab, and on filter design).
Plan for week of 11/20
- Holiday on Thu 3/23
- All at Mitaka.
- SR procurement, planning (Mark, Hirata-san)
- SR mass budget (Fabian)
- BS modeling filter design (Enzo, Kozu-kun)
Plan for week of 11/27
- Fabian at commissioning workshop