BECCAL's laser system comes in two designs, a small custom flight model and a bulky commercial ground model, both specified to meet the same functional requirements but with very different size, weight, power, efficiency, and cost.
A gravity antenna based on quantum technologies: MIGA
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abstract
We report the realization of a large scale gravity antenna based on matter-wave interferometry, the MIGA project. This experiment consists in an array of cold Rb sources correlated by a 150 m long optical cavity. MIGA is in construction at the LSBB underground laboratory, a site that benefits from a low background noise and is an ideal premise to carry out precision gravity measurements. The MIGA facility will be a demonstrator for a new generation of GW detector based on atom interferometry that could open the infrasound window for the observation of GWs. We describe here the status of the instrument construction, focusing on the infrastructure works at LSBB and the realization of the vacuum vessel of the antenna.
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physics.atom-ph 1years
2025 1verdicts
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Comparison of laser system designs for quantum technologies: BECCAL flight system vs. BECCAL ground test bed
BECCAL's laser system comes in two designs, a small custom flight model and a bulky commercial ground model, both specified to meet the same functional requirements but with very different size, weight, power, efficiency, and cost.