Nothing Special   »   [go: up one dir, main page]

Fourcault et al., 2021 - Google Patents

Helium-4 magnetometers for room-temperature biomedical imaging: toward collective operation and photon-noise limited sensitivity

Fourcault et al., 2021

View HTML @Full View
Document ID
12013657612353584104
Author
Fourcault W
Romain R
Le Gal G
Bertrand F
Josselin V
Le Prado M
Labyt E
Palacios-Laloy A
Publication year
Publication venue
Optics Express

External Links

Snippet

Optically-pumped magnetometers constitute a valuable tool for imaging biological magnetic signals without cryogenic cooling. Nowadays, numerous developments are being pursued using alkali-based magnetometers, which have demonstrated excellent sensitivities in the …
Continue reading at opg.optica.org (HTML) (other versions)

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R33/00—Arrangements or instruments for measuring magnetic variables
    • G01R33/20—Arrangements or instruments for measuring magnetic variables involving magnetic resonance
    • G01R33/28—Details of apparatus provided for in groups G01R33/44 - G01R33/64
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R33/00—Arrangements or instruments for measuring magnetic variables
    • G01R33/20—Arrangements or instruments for measuring magnetic variables involving magnetic resonance
    • G01R33/24—Arrangements or instruments for measuring magnetic variables involving magnetic resonance for measuring direction or magnitude of magnetic fields or magnetic flux
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R33/00—Arrangements or instruments for measuring magnetic variables
    • G01R33/02—Measuring direction or magnitude of magnetic fields or magnetic flux
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using infra-red, visible or ultra-violet light
    • G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using infra-red, visible or ultra-violet light
    • G01N21/62—Systems in which the material investigated is excited whereby it emits light or causes a change in wavelength of the incident light

Similar Documents

Publication Publication Date Title
Fourcault et al. Helium-4 magnetometers for room-temperature biomedical imaging: toward collective operation and photon-noise limited sensitivity
Tang et al. High-sensitivity operation of a single-beam atomic magnetometer for three-axis magnetic field measurement
Yan et al. Three-axis closed-loop optically pumped magnetometer operated in the SERF regime
Osborne et al. Fully integrated standalone zero field optically pumped magnetometer for biomagnetism
Colombo et al. Four-channel optically pumped atomic magnetometer for magnetoencephalography
US20200209328A1 (en) Systems and methods including multi-mode operation of optically pumped magnetometer(s)
Zhang et al. Multi-channel spin exchange relaxation free magnetometer towards two-dimensional vector magnetoencephalography
Gerginov et al. Pulsed operation of a miniature scalar optically pumped magnetometer
Lee et al. Flat-response spin-exchange relaxation free atomic magnetometer under negative feedback
Kamada et al. Noise reduction and signal-to-noise ratio improvement of atomic magnetometers with optical gradiometer configurations
Belfi et al. Cesium coherent population trapping magnetometer for cardiosignal detection in an unshielded environment
Ito et al. Optimal densities of alkali metal atoms in an optically pumped K–Rb hybrid atomic magnetometer considering the spatial distribution of spin polarization
Perry et al. All-optical intrinsic atomic gradiometer with sub-20 fT/cm/√ Hz sensitivity in a 22 µT earth-scale magnetic field
Nishi et al. High-sensitivity multi-channel probe beam detector towards MEG measurements of small animals with an optically pumped K-Rb hybrid magnetometer
Jiménez-Martínez et al. High-bandwidth optical magnetometer
Chen et al. Single beam Cs-Ne SERF atomic magnetometer with the laser power differential method
Ito et al. Temperature characteristics of K-Rb hybrid optically pumped magnetometers with different density ratios
Yao et al. High-sensitivity operation of an unshielded single cell radio-frequency atomic magnetometer
Tang et al. Transient dynamics of atomic spin in the spin-exchange-relaxation-free regime
Wang et al. Evaluation of optical parameters for a microminiature Rb vapor cell in a dual-beam SERF magnetometer
Zhang et al. Triaxial precise magnetic field compensation of a zero-field optically pumped magnetometer based on a single-beam configuration
Bison et al. Sensitive and stable vector magnetometer for operation in zero and finite fields
Su et al. Elliptically polarized laser-pumped M x magnetometer towards applications at room temperature
Quan et al. Precision measurement of magnetic field based on the transient process in a K-Rb-21 Ne co-magnetometer
Lu et al. Scanning multi-channel spin-exchange relaxation-free atomic magnetometer with high spatial and time resolution