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taskssub-tasksDescriptionStatusStatus update
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PLL Beatnote Finding
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Find beatnoteDONE
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Adjust nominal TMS QPD powers
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Analog Video Feedthrough
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Decide how to handle the issue with the damaged feedthrough.Epoxy or machining a new part? Choose your own adventure.
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Plug it in.This is going to require removing the feedthrough from the outside, since the cable is all the way in the back corner and the internal cable tray pretty effectively keeps you from reaching up from under to plug things in. The power cable is on top of the table. It's a 12V supply and the cable is a green 3-pin dsub.
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Wavefront Sensing
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Install WFS electronics.WFS chassis arrived, but none of the cabling has been completed. I have sent the list of missing cables to EE.
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Test WFS electronics.Inject to the WFS with the AM laser, check signal chain. This doesn't have a tester because it's hastily remade legacy. If no bias chassis yet, -20 V is enough to prove that it works.
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Profile beam on WFS paths.
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Faraday Swap
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Swap mount for second Faraday isolator on 532nm path.Check the irises first! The mount is just inside the left door.
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Realign beam to TMS.
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Realign return beam paths.incl. LSC RFPD and WFS.
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Profile beam on WFS paths.
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Hartmann Pickoff Install
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Install beam sampler for HWS.The pickoff is between second pico mirror and first iris. Need open 2" splitter mounts. Thomas Vo has the samplers.DONE
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Realign beam to TMS.DONE
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