J. Aasi coauthored the LIGO instrument paper describing its advanced detectors. Their -km Michelson interferometer arms use optical cavities to increase interaction with gravitational waves; improved isolation, suspended mirrors and optical design reduce competing sources of noise.[ref]
Advanced LIGO by J. Aasi and others. Abstract and detector configuration; the collaboration standard reference identifies the published instrument paper as J. Aasi et al. (2015).
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