Reports until 09:49, Monday 22 July 2024
H1 PSL (PSL)
ryan.crouch@LIGO.ORG - posted 09:49, Monday 22 July 2024 (79266)
PSL Status Report - Weekly

Closes FAMIS26274, last checked in alog79075


Laser Status:
    NPRO output power is 1.825W (nominal ~2W)
    AMP1 output power is 65.08W (nominal ~70W)
    AMP2 output power is 138.7W (nominal 135-140W)
    NPRO watchdog is GREEN
    AMP1 watchdog is GREEN
    AMP2 watchdog is GREEN
    PDWD watchdog is GREEN

PMC:
    It has been locked 12 days, 22 hr 28 minutes
    Reflected power = 18.92W
    Transmitted power = 108.0W
    PowerSum = 127.0W

FSS:
    It has been locked for 4 days 19 hr and 1 min
    TPD[V] = 0.7416V

ISS:
    The diffracted power is around 2.0%
    Last saturation event was 5 days 20 hours and 13 minutes ago


Possible Issues:
    PMC reflected power is high, its been drifting up since 07/09 (2 tuesdays ago).

Images attached to this report