Reports until 13:26, Friday 23 January 2026
H1 PSL
ryan.short@LIGO.ORG - posted 13:26, Friday 23 January 2026 (88871)
PSL Status Report - Weekly

FAMIS 39748

Laser Status:
    NPRO output power is 1.835W
    AMP1 output power is 70.39W
    AMP2 output power is 139.0W
    NPRO watchdog is GREEN
    AMP1 watchdog is GREEN
    AMP2 watchdog is GREEN
    PDWD watchdog is GREEN

PMC:
    It has been locked 14 days, 20 hr 48 minutes
    Reflected power = 26.68W
    Transmitted power = 104.1W
    PowerSum = 130.8W

FSS:
    It has been locked for 8 days 2 hr and 16 min
    TPD[V] = 0.3187V

ISS:
    The diffracted power is around 4.0%
    Last saturation event was 0 days 0 hours and 0 minutes ago


Possible Issues:
    PMC reflected power is high
    FSS TPD is low