Reports until 09:24, Friday 04 August 2023
H1 PSL
oli.patane@LIGO.ORG - posted 09:24, Friday 04 August 2023 (71955)
PSL Weekly Report (FAMIS #25490)

Closes FAMIS #25490

ISS diff power is currently sitting around 3.3% and has been sitting around that for the past 18 hours (see attachment) (minus a dip between 15-14 hours ago - presumeably related to the saturation mentioned below).


Laser Status:
    NPRO output power is 1.826W (nominal ~2W)
    AMP1 output power is 67.19W (nominal ~70W)
    AMP2 output power is 134.8W (nominal 135-140W)
    NPRO watchdog is GREEN
    AMP1 watchdog is GREEN
    AMP2 watchdog is GREEN

PMC:
    It has been locked 3 days, 0 hr 16 minutes
    Reflected power = 16.23W
    Transmitted power = 107.9W
    PowerSum = 124.2W

FSS:
    It has been locked for 0 days 19 hr and 15 min
    TPD[V] = 0.9439V

ISS:
    The diffracted power is around 3.3%
    Last saturation event was 0 days 15 hours and 11 minutes ago


Possible Issues:
    ISS diffracted power is high

Images attached to this report