Reports until 13:45, Monday 04 December 2017
H1 SYS (IOO)
thomas.shaffer@LIGO.ORG - posted 13:45, Monday 04 December 2017 - last comment - 09:58, Wednesday 06 December 2017(39626)
Baffle Alignment Summary

A quick table summary of the alignment of the newly installed baffles that have apertures.

Suspension Alignment Method Accuracy
HAM2    
MC1 Aligned with the beam during overall alignment. 2-3mm to center
MC3 Aligned with the beam during overall alignment. 2-3mm to center
PR3 Aligned by sight and checked by IO team with paper target. ~4mm
PRM Used the acrylic target and then later checked okay with the beam. 2-3mm to center
HAM3    
MC2 Aligned with the beam during overall alignment. ~5mm to center
PR2 Aligned with the beam during overall alignment. ~5mm to center
HAM4    
SR2 Aligned with the beam during overall alignment. ~5mm to center
HAM5    
SR3 Aligned by sight and checked with beam. ~4mm to center
SRM HR Aligned with beam. 2-3mm to center
SRM AR Aligned with beam. ~1mm to center
BSC1    
ITMY Elliptical Aligned using provided target. ~5mm
BSC2    
BS HR & AR Elliptical Aligned using provided target. 1mm
BSC3    
ITMX Elliptical Aligned using provided target. ~5mm

*All other newly installed baffles with any type of adjustment were aligned by sight.

Comments related to this report
stephen.appert@LIGO.ORG - 09:58, Wednesday 06 December 2017 (39658)
I think that at some stage, someone should tie up this information with https://dcc.ligo.org/LIGO-E1700321 and https://dcc.ligo.org/LIGO-E1700341 for overall documentation.