A Voigt effect based 3D vector magnetometer
arXiv:1810.08999 · doi:10.1103/PhysRevA.100.023416
Abstract
We describe a method to dispersively detect all three vector components of an external magnetic field using alkali atoms based on the Voigt effect. Our method relies on measuring the linear birefringence of the radio frequency dressed atomic medium via polarization homodyning. This gives rise to modulated polarization signals at the first and second harmonic of the dressing frequency. The vector components of the external magnetic field are mapped onto the quadratures of these harmonics. We find that our scheme can be utilised in both cold and hot atomic gases to detect such external fields in shielded and unshielded environments. In the shielded hot vapour case we achieve field sensitivities well below 1~pT range for all 3 vector components, using pump-probe cycles with 125 Hz repetition rate, and limited by the short coherence time of the cell. Finally, our scheme has a simple single axis beam geometry making it advantageous for miniature magnetic field sensors.
arXiv comment11 pages, 11 figures
References in corpus (18)
- Optical Magnetometry
- Ultra-high sensitivity magnetic field and magnetization measurements with an atomic magnetometer
- Resonant nonlinear magneto-optical effects in atoms
- Sub-femtotesla scalar atomic magnetometer using multipass cells
- A new limit on the permanent electric dipole moment of ^{199}Hg
- Polarized alkali vapor with minute-long transverse spin-relaxation time
- All-Optical Vector Atomic Magnetometer
- Optical Magnetometer Array for Fetal Magnetocardiography
- High-Temperature Alkali Vapor Cells with Anti-Relaxation Surface Coatings
- Theory of double resonance magnetometers based on atomic alignment
- Magnetometry Based on Nonlinear Magneto-Optical Rotation with Amplitude-Modulated Light
- Non-invasive detection of animal nerve impulses with an atomic magnetometer operating near quantum limited sensitivity
- Characterizing the spin state of an atomic ensemble using the magneto-optical resonance method
- An Ultra-High Stability, Low-Noise Laser Current Driver with Digital Control
- On the sensitivity of condensed-matter P- and T-violation experiments
- Experimental study of laser detected magnetic resonance based on atomic alignment
- Orientational Effects on the Amplitude and Phase of Polarimeter Signals in Double Resonance Atomic Magnetometry
- Dispersive detection of radio-frequency dressed states
Cited by in corpus (9)
- Precision Magnetometers for Aerospace Applications
- How to build a magnetometer with thermal atomic vapor: A tutorial
- An atomic compass -- detecting 3D magnetic field alignment with vector vortex light
- Herriott-cavity-assisted all-optical atomic vector magnetometer
- Pulsed Vector Atomic Magnetometer Using an Alternating Fast-Rotating Field
- Vector Measurements Using All Optical Scalar Atomic Magnetometers
- Accurate vector optically pumped magnetometer with microwave-driven Rabi frequency measurements
- Floquet description of Optically Pumped Magnetometers
- Phase-modulated cavity magnon polaritons as a precise magnetic field probe