Reports until 14:08, Monday 09 March 2026
H1 SUS
ryan.crouch@LIGO.ORG - posted 14:08, Monday 09 March 2026 (89435)
MC1 transfer functions

I ran another set of TFs today for MC1 after the swaps relating to its' DAC in alog89427, they are looking healthy now! The state of the chamber was the same as on Friday, HEPI locked and ISI in Isolated. The SUS was also undamped with alignment offsets off.

/ligo/svncommon/SusSVN/sus/trunk/HSTS/H1/MC1/SAGM1/Data:

2026-03-09_2000_H1SUSMC1_M1_WhiteNoise_L_0p02to50Hz.xml
2026-03-09_2000_H1SUSMC1_M1_WhiteNoise_P_0p02to50Hz.xml
2026-03-09_2000_H1SUSMC1_M1_WhiteNoise_R_0p02to50Hz.xml
2026-03-09_2000_H1SUSMC1_M1_WhiteNoise_T_0p02to50Hz.xml
2026-03-09_2000_H1SUSMC1_M1_WhiteNoise_V_0p02to50Hz.xml
2026-03-09_2000_H1SUSMC1_M1_WhiteNoise_Y_0p02to50Hz.xml

See alog89400 to see the full transfer functions before the coil driver swap, and the Pitch TF after swapping the coil driver (alog89411 for the coil driver swap).

FRS 37167

Images attached to this report