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CRY (Cryo-payload IX)
takafumi.ushiba - 15:10 Wednesday 10 October 2018 (6483) Print this report
Finalize the cryogenic payload at IXC

[Takahashi(NAOJ), Sato, Tomaru, Araki, Ushiba]

We set the height of the mirror at 5.8mm lower than the nominal position.
After that, we adjusted the yaw position in order for OpLev beam to hit almost the center of the QPD.
Then, we checked all the earthquake stops for the cryogenic payload and finalize them.

After this work, Akutsu-san and Simon will finalize the WAB.

Tomorrow morning, we will clean inside the cryostat and Mirapro Co. will close the flanges.

Comments to this report:
takafumi.ushiba - 15:28 Wednesday 10 October 2018 (6484) Print this report

During this work, we accidentally move the input beam of the OpLev in pitch direction slightly.
I apologize Enomoto-kun and comissioning members for this accident.

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