R&D (FilterCavity)
YuhangZhao - 16:19, Monday 12 April 2021 (2448)
Many misalignments are found recently

Before measuring FIS in elog, we found OPO is misaligned for p-pol, CC and BAB beams. To check FDS, we injected BAB into vacuum chamber. However, we could find this BAB in FC reflection or in the first target on PR chamber.

We will check the first target in arm, also check inside PR chamber with camera soon.