Single-beam three-axis atomic magnetometer

Haichao Huang; Haifeng Dong; Lin Chen; Yang Gao

doi:10.1063/1.4960971

Single-beam three-axis atomic magnetometer

Haichao Huang
, Haifeng Dong
, Lin Chen
, Yang Gao

School of Instrumentation and Optoelectronic Engineering

Beihang University

Research output: Contribution to journal › Article › peer-review

72 Scopus citations

Abstract

A single-beam atomic magnetometer being operated near zero-field and measuring three-axis fields simultaneously is demonstrated. We produce a rotating field on the x-0-y plane with the frequency of 90 Hz and a modulation field in the z axis at 130 Hz. The rotating field enables a nonzero z axis output when the transverse fields are zeroed using feedback systems. Based on the phase difference of π / 2, x and y axes fields can be measured using one lock-in amplifier. Magnetic field sensitivities of 300 fT/Hz^1/2 in x and y axes and 3 pT/Hz^1/2 in the z axis are achieved.

Original language	English
Article number	062404
Journal	Applied Physics Letters
Volume	109
Issue number	6
DOIs	https://doi.org/10.1063/1.4960971
State	Published - 8 Aug 2016

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title = "Single-beam three-axis atomic magnetometer",

abstract = "A single-beam atomic magnetometer being operated near zero-field and measuring three-axis fields simultaneously is demonstrated. We produce a rotating field on the x-0-y plane with the frequency of 90 Hz and a modulation field in the z axis at 130 Hz. The rotating field enables a nonzero z axis output when the transverse fields are zeroed using feedback systems. Based on the phase difference of π / 2, x and y axes fields can be measured using one lock-in amplifier. Magnetic field sensitivities of 300 fT/Hz1/2 in x and y axes and 3 pT/Hz1/2 in the z axis are achieved.",

author = "Haichao Huang and Haifeng Dong and Lin Chen and Yang Gao",

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N2 - A single-beam atomic magnetometer being operated near zero-field and measuring three-axis fields simultaneously is demonstrated. We produce a rotating field on the x-0-y plane with the frequency of 90 Hz and a modulation field in the z axis at 130 Hz. The rotating field enables a nonzero z axis output when the transverse fields are zeroed using feedback systems. Based on the phase difference of π / 2, x and y axes fields can be measured using one lock-in amplifier. Magnetic field sensitivities of 300 fT/Hz1/2 in x and y axes and 3 pT/Hz1/2 in the z axis are achieved.

AB - A single-beam atomic magnetometer being operated near zero-field and measuring three-axis fields simultaneously is demonstrated. We produce a rotating field on the x-0-y plane with the frequency of 90 Hz and a modulation field in the z axis at 130 Hz. The rotating field enables a nonzero z axis output when the transverse fields are zeroed using feedback systems. Based on the phase difference of π / 2, x and y axes fields can be measured using one lock-in amplifier. Magnetic field sensitivities of 300 fT/Hz1/2 in x and y axes and 3 pT/Hz1/2 in the z axis are achieved.

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JO - Applied Physics Letters

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Single-beam three-axis atomic magnetometer

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