ryan.crouch@LIGO.ORG - posted 22:00, Saturday 04 January 2025 - last comment - 08:43, Monday 06 January 2025(82117)
OPS Saturday eve shift summary
TITLE: 01/05 Eve Shift: 0030-0600 UTC (1630-2200 PST), all times posted in UTC
STATE of H1: Observing at 158Mpc
INCOMING OPERATOR: Tony
SHIFT SUMMARY: We've been locked for over 5 hours.
LOG: No log
"pump fiber rej power in ham7 high, align fiber pol on sqt0" notification on SQZ_OPO_LR
00:46 UTC observing
Reduced the pump rejected power H1:SQZ-SHG_FIBR_REJECTED_DC_POWER: using the two pico waveplates on the SQZT0 SHG to OPO path H1:SYS-MOTION_C_PICO_I_MOTOR_3_{X/Y}_POSITION, scope on SQZT0 "! fiber pol". Reduced SHG_FIBR_REJECTED from 0.4 to 0.03mW.