Displaying report 1-1 of 1.
Reports until 12:49, Tuesday 04 April 2023
H1 SUS (SUS)
rahul.kumar@LIGO.ORG - posted 12:49, Tuesday 04 April 2023 (68398)
SUS ITMX and ITMY R0 (reaction chain) top to top transfer function measurements - with damping loops On and OFF

Jeff, Rahul

This morning Jeff and I took transfer function measurements (with different boundary conditions, as mentioned below in bold) and tried to cover three QUADS R0 chain. I did the measurements on ITMY and ITMX. The templates are stored at the following location.

I will post the plots once I am able to process all the data.

/ligo/svncommon/SusSVN/sus/trunk/QUAD/H1/ITMY/SAGR0/Data

R0 Damping OFF

2023-04-04_1600_H1SUSITMY_R0_WhiteNoise_L_0p01to50Hz.xml
2023-04-04_1600_H1SUSITMY_R0_WhiteNoise_P_0p01to50Hz.xml
2023-04-04_1600_H1SUSITMY_R0_WhiteNoise_R_0p01to50Hz.xml
2023-04-04_1600_H1SUSITMY_R0_WhiteNoise_T_0p01to50Hz.xml
2023-04-04_1600_H1SUSITMY_R0_WhiteNoise_V_0p01to50Hz.xml
2023-04-04_1600_H1SUSITMY_R0_WhiteNoise_Y_0p01to50Hz.xml

R0 Damping ON (L2 WIT DAMP OFF)
2023-04-04_1700_H1SUSITMY_R0_WhiteNoise_L_0p01to50Hz.xml
2023-04-04_1700_H1SUSITMY_R0_WhiteNoise_P_0p01to50Hz.xml
2023-04-04_1700_H1SUSITMY_R0_WhiteNoise_R_0p01to50Hz.xml
2023-04-04_1700_H1SUSITMY_R0_WhiteNoise_T_0p01to50Hz.xml
2023-04-04_1700_H1SUSITMY_R0_WhiteNoise_V_0p01to50Hz.xml
2023-04-04_1700_H1SUSITMY_R0_WhiteNoise_Y_0p01to50Hz.xml

R0 Damping ON (L2 WIT DAMP ON)
2023-04-04_1900_H1SUSITMY_R0_WhiteNoise_L_0p01to50Hz.xml
2023-04-04_1900_H1SUSITMY_R0_WhiteNoise_P_0p01to50Hz.xml
2023-04-04_1900_H1SUSITMY_R0_WhiteNoise_R_0p01to50Hz.xml
2023-04-04_1900_H1SUSITMY_R0_WhiteNoise_T_0p01to50Hz.xml
2023-04-04_1900_H1SUSITMY_R0_WhiteNoise_V_0p01to50Hz.xml
2023-04-04_1900_H1SUSITMY_R0_WhiteNoise_Y_0p01to50Hz.xml

 

/ligo/svncommon/SusSVN/sus/trunk/QUAD/H1/ITMX/SAGR0/Data

R0 Damping OFF

2023-04-04_1600_H1SUSITMX_R0_WhiteNoise_L_0p01to50Hz.xml
2023-04-04_1600_H1SUSITMX_R0_WhiteNoise_P_0p01to50Hz.xml
2023-04-04_1600_H1SUSITMX_R0_WhiteNoise_R_0p01to50Hz.xml
2023-04-04_1600_H1SUSITMX_R0_WhiteNoise_T_0p01to50Hz.xml
2023-04-04_1600_H1SUSITMX_R0_WhiteNoise_V_0p01to50Hz.xml
2023-04-04_1600_H1SUSITMX_R0_WhiteNoise_Y_0p01to50Hz.xml

R0 Damping ON (L2 WIT DAMP OFF)
2023-04-04_1700_H1SUSITMX_R0_WhiteNoise_L_0p01to50Hz.xml
2023-04-04_1700_H1SUSITMX_R0_WhiteNoise_P_0p01to50Hz.xml
2023-04-04_1700_H1SUSITMX_R0_WhiteNoise_R_0p01to50Hz.xml
2023-04-04_1700_H1SUSITMX_R0_WhiteNoise_T_0p01to50Hz.xml
2023-04-04_1700_H1SUSITMX_R0_WhiteNoise_V_0p01to50Hz.xml
2023-04-04_1700_H1SUSITMX_R0_WhiteNoise_Y_0p01to50Hz.xml

R0 Damping ON (L2 WIT DAMP ON)
2023-04-04_1900_H1SUSITMX_R0_WhiteNoise_L_0p01to50Hz.xml
2023-04-04_1900_H1SUSITMX_R0_WhiteNoise_P_0p01to50Hz.xml
2023-04-04_1900_H1SUSITMX_R0_WhiteNoise_R_0p01to50Hz.xml
2023-04-04_1900_H1SUSITMX_R0_WhiteNoise_T_0p01to50Hz.xml
2023-04-04_1900_H1SUSITMX_R0_WhiteNoise_V_0p01to50Hz.xml
2023-04-04_1900_H1SUSITMX_R0_WhiteNoise_Y_0p01to50Hz.xml

Both the suspensions have been restored to its nominal settings for IFO locking.

I still need to take R0 open loop gain for both ITMY and ITMX, which I will do it at the next available opportunity.

Displaying report 1-1 of 1.