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Reports until 14:52, Monday 09 October 2017
H1 PSL
corey.gray@LIGO.ORG - posted 14:52, Monday 09 October 2017 (38947)
PSL Weekly Report (FAMIS #7459)

Summary:  Looks like some alignment touch up might be needed due to high PMC Refl & a low ISS diffracted power.

Laser Status:
SysStat is good
Front End Power is 35.87W (should be around 30 W)
HPO Output Power is 153.9W
Front End Watch is GREEN
HPO Watch is GREEN

PMC:
It has been locked 1 days, 20 hr 22 minutes (should be days/weeks)
Reflected power = 24.41Watts
Transmitted power = 49.64Watts
PowerSum = 74.05Watts.

FSS:
It has been locked for 0 days 1 hr and 46 min (should be days/weeks)
TPD[V] = 2.007V (min 0.9V)

ISS:
The diffracted power is around 1.8% (should be 3-5%)
Last saturation event was 0 days 1 hours and 54 minutes ago (should be days/weeks)

Possible Issues:
PMC reflected power is high
ISS diffracted power is Low

 

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