Reports until 11:30, Thursday 01 June 2017
H1 ISC
peter.king@LIGO.ORG - posted 11:30, Thursday 01 June 2017 (36587)
Old ALS EndX laser
This morning I changed the settings of the ALS laser that was removed from EndX (InnoLight Prometheus S/N 2011B).
The pump laser diodes temperatures were left alone.
 - diode current                1.835 A
 - laser crystal temperature    24.92 degC
 - doubling crystal temperature 32.93 degC

    With these settings the power at 532 nm was 48.7 mW.  The power at 1064 nm was 1.54 W.  The power was fairly
stable (+/- 0.1 mW) over a 2 hour period.  Longer term monitoring should be done (ideally).