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Room temperature femtotesla radio-frequency atomic magnetometer.

Chalupczak, W; Godun, R M*; Pusteiny, S*; Gawlik, W* (2012) Room temperature femtotesla radio-frequency atomic magnetometer. Appl. Phys. Lett., 100 (24). 242401

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A novel radio-frequency tunable atomic magnetometer with a sensitivity of 1 fT/Hz1/2 is demonstrated. The magnetometer is operated in the orientation configuration in which atoms are pumped to the stretched atomic state by a novel scheme based on indirect optical pumping using only one low power laser frequency. The magnetometer operates with caesium atoms, which have sufficient vapour pressure near room temperature to enable high magnetometric sensitivities. The new technique enables a compact and robust module to be constructed that could become an in-the-field device.

Item Type: Article
Subjects: Electromagnetics
Electromagnetics > RF and Microwave
Identification number/DOI: 10.1063/1.4729016
Last Modified: 02 Feb 2018 13:14
URI: http://eprintspublications.npl.co.uk/id/eprint/5519

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