Reports until 18:16, Tuesday 20 May 2025
H1 SUS
oli.patane@LIGO.ORG - posted 18:16, Tuesday 20 May 2025 (84498)
New transfer functions for HAM1 suspensions - Back in Vac

HAM1 pressure has already gone below the threshold that we consider the suspensions to stop floating, so I've taken in vac transfer functions for RM1, RM2, and PM1. All three suspensions are looking healthy.

Earlier today, Fil completed the coil driver swap for PM1 (84490), so I updated the COILOUTF filters(84499), and now all filters (physical and digital) match the ones for the RM coil drivers (84499).

Note that these were taken with the ISI locked and HEPI offline.

RM1 (r12326(data), r12327(results)):

RM2 (r12329):

PM1 (r12328):

Comparison of all three HTTS (r12330):

Non-image files attached to this report