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| At Kamioka (Mark, Fabian, Enzo, Hirata-san): * Hirata-san published his inventory of SR parts on Dropbox. * Mark and Enzo finalized the geometry matrices for the IP, entered them in MEDM and updated the safe.snap. * Mark, Enzo and Fabian worked with Izumi-san et al. to align the BS. We got the +Y beam fairly close to aligned (to the second gate valve, near IY). |
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| ==== Plan for week of 11/13 ==== | * Mark analyzed the QPD data from Friday 12/1 and derived matrices to diagonalize the QPD, and calibrate output in µrad. In the process an error in the IM OSEM diagonalization was discovered: the P and Y gains were low by a factor 2. * Mark re-zeroed the QPD after noting the micrometer readings so we can do TFs over the weekend. * We prepared for the SR2 gluing: * We aligned the SR2 in the box with the wedge on the correct side. * We checked that the remachined BS prism holders fit on the PR2 mirror box. * We checked that with Tatsumi-san's support ring, the prisms would go on at the right height. * We checked the new magnet jigs. * We glued ferromagnetic disks in a large number of IM flag tips and flag bases, and in the SR magnet jigs. * We also glued SR magnets in the magnet bases. |
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| Kamioka: Mark * Attend commissioning workshop at U Toyama. * Be person-on-site for BF work. * Set up for mirror gluing. |
==== Plan for week of 12/11 * Mark, Fabian, Enzo, Kozu-kun (Mon-Thu only), Hirata-san, Shoda-san at Kamioka. * Mirror gluing. * IM assembly and pico test. * Assembly frame alignment and optical table centering. * Move trolley system from SR3. * OL setup. |
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| Mitaka: Fabian and Hirata-san * SR procurement. * New PI GAS FR design. * BS LBB ballast mass design. * SR cable lamp design. |
==== Plan for week of 12/18 ==== * Shoda-san vacation * Mark, Fabian, Enzo, Kozu-kun at Kamioka Mon-Wed. |
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| Mitaka: Enzo and Kozu-kun (Wed, Thu) * Servos * TFs of BF * Documentation |
==== Vacation Info ==== * Mark 12/22-1/3 * Enzo, 12/21-12/27 (but ''not'' 12/28) * Fabian 12/22-1/5 * Hirata-san 12/21-22 (conference) * Shoda-san 12/18-21 |
Scraps of text for incorporation in the VIS Meeting Minutes
KAGRA/Subgroups/VIS/MeetingNAOJ
Type B (Mark)
Past week report
- Mark analyzed the QPD data from Friday 12/1 and derived matrices to diagonalize the QPD, and calibrate output in µrad. In the process an error in the IM OSEM diagonalization was discovered: the P and Y gains were low by a factor 2.
- Mark re-zeroed the QPD after noting the micrometer readings so we can do TFs over the weekend.
- We prepared for the SR2 gluing:
- We aligned the SR2 in the box with the wedge on the correct side.
- We checked that the remachined BS prism holders fit on the PR2 mirror box.
- We checked that with Tatsumi-san's support ring, the prisms would go on at the right height.
- We checked the new magnet jigs.
- We glued ferromagnetic disks in a large number of IM flag tips and flag bases, and in the SR magnet jigs.
- We also glued SR magnets in the magnet bases.
==== Plan for week of 12/11
- Mark, Fabian, Enzo, Kozu-kun (Mon-Thu only), Hirata-san, Shoda-san at Kamioka.
- Mirror gluing.
- IM assembly and pico test.
- Assembly frame alignment and optical table centering.
- Move trolley system from SR3.
- OL setup.
Plan for week of 12/18
- Shoda-san vacation
- Mark, Fabian, Enzo, Kozu-kun at Kamioka Mon-Wed.
Vacation Info
- Mark 12/22-1/3
Enzo, 12/21-12/27 (but not 12/28)
- Fabian 12/22-1/5
- Hirata-san 12/21-22 (conference)
- Shoda-san 12/18-21