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Reports until 17:31, Saturday 08 June 2024
H1 General
anthony.sanchez@LIGO.ORG - posted 17:31, Saturday 08 June 2024 - last comment - 20:13, Saturday 08 June 2024(78320)
Saturday Ops Eve Shift Start

TITLE: 06/08 Eve Shift: 2300-0800 UTC (1600-0100 PST), all times posted in UTC
STATE of H1: Commissioning
OUTGOING OPERATOR: Corey
CURRENT ENVIRONMENT:
    SEI_ENV state: CALM
    Wind: 11mph Gusts, 7mph 5min avg
    Primary useism: 0.02 μm/s
    Secondary useism: 0.15 μm/s
QUICK SUMMARY:

H1 was able to get locked up to POWER_10W twice so far.

First 10W Lock Pressure ndscope

Second 10W Lock Pressure ndscope
Notes: this lock had many EX saturations.

 

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anthony.sanchez@LIGO.ORG - 20:13, Saturday 08 June 2024 (78322)Lockloss

Known Locklosses all caused by intentional H1:IMC-REFL_SERVO_IN1POL polarity change.


I've been sitting in power 10W for 15 minutes just to see if there is any warm up time or something.
Third 10Watt lock pressure ndscope  2024-06-09_00:40:40

Fourth 10WATT lock pressure ndscope  2024-06-09_01:22:46

5th 10WATT lock pressure ndscope  2024-06-09_02:42:00

A shot of the five 10Watt lock stretches with set scales I took from Keita's alog (78310) with UTC times for reference.

Thankfully I don't see any increases in pressures over the course of these 5 10Watt locks.

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