Very high quality factor measured in annealed fused silica

@inproceedings{Ageev2004VeryHQ,
  title={Very high quality factor measured in annealed fused silica},
  author={Alexandr Ageev and Belkis Cabrera Palmer and Antonio De Felice and Steven Douglas Penn and Peter R. Saulson},
  year={2004}
}
We present the results of quality factor measurements for rod samples made of fused silica. To decrease the dissipation we annealed our samples. The highest quality factor that we observed was Q = (2.03 ± 0.01) × 10 for a mode at 384 Hz. This is the highest published value of Q in fused silica measured to date. 

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