LIGO Document G1601751-v1
- A very large population of scatterers was found on aLIGO mirrors under high-power illumination. They contribute to large angle optical scattering and, if the observed points are the locus of mechanical dissipation, they may explain the anomalous mechanical dissipation observed in sputtered coatings.
This discovery has the potential to serve as a good diagnostic tool, perhaps indicating possible ways to improve the Sensitivity limitation of Gravitational Wave detectors.
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