Reports until 08:17, Tuesday 17 February 2026
H1 PSL
ryan.short@LIGO.ORG - posted 08:17, Tuesday 17 February 2026 (89164)
PSL Status Report - Weekly

FAMIS 39751

Laser Status:
    NPRO output power is 1.834W
    AMP1 output power is 70.51W
    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 3 days, 19 hr 53 minutes
    Reflected power = 26.72W
    Transmitted power = 103.9W
    PowerSum = 130.6W

FSS:
    It has been locked for 3 days 15 hr and 53 min
    TPD[V] = 0.4774V

ISS:
    The diffracted power is around 4.0%
    Last saturation event was 3 days 19 hours and 53 minutes ago


Possible Issues:
    PMC reflected power is high