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January 19, 2024

LIGO's vacuum chamber when quantum-squeezing technology is operational and pumped with green laser l

Researchers at NSF's Laser Interferometer Gravitational-Wave Observatory report a significant advancement in a quantum technology called "squeezing" that allows them to measure undulations in space-time across the entire range of gravitational frequencies detected by LIGO. Pictured here is the vacuum chamber at LIGO, photographed through a viewport when quantum-squeezing technology was operating and pumped with green laser light.

[LIGO is a facility of the U.S. National Science Foundation.]

Learn more in the MIT news story LIGO surpasses the quantum limit. (Date of image: Unknown; date originally posted to NSF Multimedia Gallery: Jan. 19, 2024)

Credit: Georgia Mansell/LIGO Hanford Observatory

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