georgia.mansell@LIGO.ORG - posted 16:47, Wednesday 22 August 2018 (43602)
POPAIR_B lens replaced
Patrick G, Georgia
This afternoon we replaced the lens which focuses the beam onto LSC-POPAIR_B on ISCT1. The previous lens had a too long focal length and the beam was over-filling the diode. The new lens is f~100 mm.