Reports until 10:19, Wednesday 23 September 2026
H1 PSL
ryan.crouch@LIGO.ORG - posted 10:19, Wednesday 23 September 2026 (92028)
PSL Status Report Weekly FAMIS 85574

Closes FAMIS 85574, last checked in alog91931
Laser Status:
    NPRO output power is 1.853W
    AMP1 output power is 70.55W
    AMP2 output power is 139.2W
    NPRO watchdog is GREEN
    AMP1 watchdog is GREEN
    AMP2 watchdog is GREEN
    PDWD watchdog is GREEN

PMC:
    It has been locked 1 days, 0 hr 4 minutes
    Reflected power = 28.55W
    Transmitted power = 105.5W
    PowerSum = 134.1W

FSS:
    It has been locked for 0 days 2 hr and 22 min
    TPD[V] = 0.3879V

ISS:
    The diffracted power is around 3.4%
    Last saturation event was 0 days 20 hours and 15 minutes ago


Possible Issues:
    PMC reflected power is high
    FSS TPD is low, its at its lowest in over 2 months

Images attached to this report