Reports until 14:11, Thursday 19 February 2026
H1 PSL
oli.patane@LIGO.ORG - posted 14:11, Thursday 19 February 2026 (89202)
PSL Status Report Weekly FAMIS

Closes FAMIS#39752, last checked 89164


Laser Status:
    NPRO output power is 1.841W
    AMP1 output power is 70.47W
    AMP2 output power is 138.8W
    NPRO watchdog is GREEN
    AMP1 watchdog is GREEN
    AMP2 watchdog is GREEN
    PDWD watchdog is GREEN

PMC:
    It has been locked 0 days, 2 hr 51 minutes
    Reflected power = 26.95W
    Transmitted power = 104.0W
    PowerSum = 131.0W

FSS:
    It has been locked for 0 days 0 hr and 0 min
    TPD[V] = 0.4856V

ISS:
    The diffracted power is around 3.8%
    Last saturation event was 0 days 2 hours and 9 minutes ago


Possible Issues:
    PMC reflected power is high