Andres R. & Jeff B.
After completing the magnet repair on SR3, we recentered and realigned the AOSEMs on the Intermediate and Test Masses. The AOSEMs have been adjusted to 50% light. No problems were encountered during alignment or centering.
Left SR3 suspended with the EQ stops set close to their final positions.
Particle Counts:
Before Work
In cleanroom, Cover on: 0.3 = 10, 0.5 = 8, 1.0 = 2
In chamber, Cover on: 0.3 = 346, 0.5 = 202, 1.0 = 46
In chamber, Cover 1/2 off after 2 Minutes: 0.3 = 107, 0.5 = 59, 1.0 = 12
During Work
In chamber, Cove 1/2 off: 0.3 = 30, 0.5 = 17. 1.0 = 9
After Work
In cleanroom, Cover on: 0.3 = 0, 0.5 = 0, 1.0 = 0
In chamber, Cover on: 0.3 = 8, 0.5 = 4, 1.0 = 0