Kiwamu, Nutsinee

We did a quick test with the HWS yesterday hoping it might fix the issue of HWSY sled reflected off the CP (alog29905). We first moved the ITMX and ITMY CP by a few hundred counts to confirm that only HWSY has sled reflection from CP. Then we swapped the X(790nm) sled and Y(840nm) sled then repeat the process. HWSY still had most of its reflection from the CP. The conclusion is, using different wavelength didn't matter.

We removed the HWS plates and stopped the code. This configuration still remained.

During this test we noticed that HWSX looks clipped. Not sure when did this started happening but Kiwamu said the data from HWSX he's been using make sense. No major misalignment to the SR3, ITMX, and BS in the past few days. A small touch to the top and bottom periscope fixed this clipping.