ITM03 LHO ITMx post O2 inspection - LVC Presentation
- Document #:
- LIGO-G1800345-v1
- Document type:
- G - Presentations (eg Graphics)
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- Abstract:
- The Hanford ITMx was removed after O2 due to a high absorption spot. The optic had been examined and cleaned in-chamber, May 2017. The absorption persisted.
A feature was found at the location predicted by TCS. This feature is highly absorbing. A feature at this location was present in the scatter scans of the optic as received from the coater. Several other post-coating absorbers over 20 ppm were found in the center 60 mm of the optic.
LIGO-E1000766: ITM03 Characterization
LIGO-T1700193: ITM03 inspection at LHO and investigation of circular features
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- Authors:
- Keywords:
- ITM03
- Related Documents:
- Referenced by:
- LIGO-E1400010-v2: ITM03 HR AR Absorption
- LIGO-T1800013-v1: ITM03 LHO ITMx post O2 inspection
- LIGO-G1900693-v1: HWS absorption map and Transmission map Comparison O3 Test masses