This morning, a new measurement has been performed with HWS-INJ to confirm the measurement already done on Saturday 20th (64752).

All the actions are listed below:

-Manual unlock at 09.05 UTC.

-HWS-DET SLED switched OFF  

-HWS-DET SLED switched ON

The waveplates have been rotated to maximize the power on the outer ring line.

-09.05: WI OUT flip mirror closed 

-09.28:  WI CH flip mirror closed 

[No CO2 beams on CP].

ITF left with arms locked on IR for ~ 2 hrs

11.19 UTC: ITF in WI single bounce.
                  The illumination of the HWS before starting measurement is shown in fig.1 

11.21 UTC: HWS-INJ acquisition started (Folder 20240722T1321)
11.29 UTC: WI outer ring flip mirror opened (after WF 8).
13.25 UTC: HWS-INJ measurement interrupted

Two examples of HWS-INJ maps extracted from the two different measurements (today and Saturday) are shown in fig. 2.  
The measurement done during the heating phase also confirms what was observed in the previous measurement done during the cooling one, namely the vertical misalignment of the HWS beam on the CP.