Remote atomic vapor magnetometer with Sub-pT resolution operating at ambient temperature
Frequency Control Symposium & the European Frequency and Time Forum（2015）
Abstract
We have designed and characterized a Cesium vapor cell magnetometry system specifically aimed at meeting the challenges of remote interrogation. Standard single-mode telecom optical fibers are used for optical delivery and collection. The additional noise contribution due to optical polarization drift during propagation is mitigated by polarization and modal walk-off. We show that it is possible to obtain as low as 0.1 pT/Hz1/2 resolution at 1 Hz without temperature control over the ambient temperature range of -5 to 30 C.
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Key words
caesium,fibre optic sensors,light propagation,magnetometers,magnetometry,modal analysis,optical fibre communication,optical fibre polarisation,optical noise,Cs,cesium vapor cell magnetometry system,modal analysis,noise contribution,optical collection,optical delivery,optical polarization drift,remote atomic vapor magnetometer,standard single-mode telecom optical fiber,temperature -5 degC to 30 degC,temperature control,atomic vapor magnetometer,remote operation,vapor cell,
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