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Filter Cavity Vacuum Tube

This picture shows the vacuum tube hosting LIGO's 300-meter filter cavity used to implement frequency-dependent quantum squeezing. Each LIGO facility, one in Hanford, Washington, and the other in Livingston, Louisiana, has its own 300-meter filter cavity. (Image credit: MJ Doherty)

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October 23, 2023
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ligo20231023d
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MJ Doherty
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