DE69101184D1 - Resonanzmagnetometer mit optischen Pumpen, das unterschiedliche Polarisationszustände verwendet. - Google Patents

Resonanzmagnetometer mit optischen Pumpen, das unterschiedliche Polarisationszustände verwendet.

Info

Publication number
DE69101184D1
DE69101184D1 DE91401560T DE69101184T DE69101184D1 DE 69101184 D1 DE69101184 D1 DE 69101184D1 DE 91401560 T DE91401560 T DE 91401560T DE 69101184 T DE69101184 T DE 69101184T DE 69101184 D1 DE69101184 D1 DE 69101184D1
Authority
DE
Germany
Prior art keywords
polarization states
different polarization
uses different
optical pumps
resonance magnetometer
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
DE91401560T
Other languages
English (en)
Other versions
DE69101184T2 (de
Inventor
Jean-Jacques Chaillout
Nelly Kernevez
Jean-Michel Leger
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Commissariat a lEnergie Atomique et aux Energies Alternatives CEA
Original Assignee
Commissariat a lEnergie Atomique CEA
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Commissariat a lEnergie Atomique CEA filed Critical Commissariat a lEnergie Atomique CEA
Application granted granted Critical
Publication of DE69101184D1 publication Critical patent/DE69101184D1/de
Publication of DE69101184T2 publication Critical patent/DE69101184T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

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
    • G01R33/24—Arrangements or instruments for measuring magnetic variables involving magnetic resonance for measuring direction or magnitude of magnetic fields or magnetic flux
    • G01R33/26—Arrangements or instruments for measuring magnetic variables involving magnetic resonance for measuring direction or magnitude of magnetic fields or magnetic flux using optical pumping

Landscapes

  • Physics & Mathematics (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • General Physics & Mathematics (AREA)
  • Measuring Magnetic Variables (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
DE69101184T 1990-06-14 1991-06-12 Resonanzmagnetometer mit optischen Pumpen, das unterschiedliche Polarisationszustände verwendet. Expired - Fee Related DE69101184T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR9007410A FR2663429B1 (fr) 1990-06-14 1990-06-14 Magnetometre a resonance et a pompage optique utilisant une polarisation sequentielle.

Publications (2)

Publication Number Publication Date
DE69101184D1 true DE69101184D1 (de) 1994-03-24
DE69101184T2 DE69101184T2 (de) 1994-08-18

Family

ID=9397594

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69101184T Expired - Fee Related DE69101184T2 (de) 1990-06-14 1991-06-12 Resonanzmagnetometer mit optischen Pumpen, das unterschiedliche Polarisationszustände verwendet.

Country Status (6)

Country Link
US (1) US5225778A (de)
EP (1) EP0462002B1 (de)
CA (1) CA2044537A1 (de)
DE (1) DE69101184T2 (de)
FR (1) FR2663429B1 (de)
NO (1) NO912291L (de)

Families Citing this family (36)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2713347B1 (fr) * 1993-12-01 1995-12-29 Commissariat Energie Atomique Magnétomètre à polarisation lumineuse et à champ de radiofréquence couplés.
US6888780B2 (en) * 2003-04-11 2005-05-03 Princeton University Method and system for operating an atomic clock with simultaneous locking of field and frequency
WO2006104096A1 (ja) * 2005-03-28 2006-10-05 High Energy Accelerator Research Organization 希ガス封入用容器及び当該容器を用いた希ガス原子核の偏極方法
WO2012112616A2 (en) * 2011-02-15 2012-08-23 Kla-Tencor Corporation Composite polarizer with adjustable polarization angles
FR2984519B1 (fr) * 2011-12-19 2014-02-21 Commissariat Energie Atomique Magnetometre a pompage optique integre et isotrope
US9726733B2 (en) 2012-02-22 2017-08-08 Geometrics, Inc. Optical magnetometers
EP2817648B1 (de) 2012-02-22 2021-03-24 Geometrics, Inc. Quantenmechanische messvorrichtung
FR3077884B1 (fr) * 2018-02-12 2021-01-01 Commissariat Energie Atomique Magnetometre vectoriel a polarisation elliptique
US10976386B2 (en) 2018-07-17 2021-04-13 Hi Llc Magnetic field measurement system and method of using variable dynamic range optical magnetometers
WO2020036666A1 (en) 2018-08-17 2020-02-20 Hi Llc Optically pumped magnetometer
US10983177B2 (en) 2018-08-20 2021-04-20 Hi Llc Magnetic field shaping components for magnetic field measurement systems and methods for making and using
US10627460B2 (en) 2018-08-28 2020-04-21 Hi Llc Systems and methods including multi-mode operation of optically pumped magnetometer(s)
WO2020060652A1 (en) 2018-09-18 2020-03-26 Hi Llc Dynamic magnetic shielding and beamforming using ferrofluid for compact magnetoencephalography (meg)
US11294008B2 (en) 2019-01-25 2022-04-05 Hi Llc Magnetic field measurement system with amplitude-selective magnetic shield
WO2020167450A1 (en) 2019-02-12 2020-08-20 Hi Llc Neural feedback loop filters for enhanced dynamic range magnetoencephalography (meg) systems and methods
US11360164B2 (en) 2019-03-29 2022-06-14 Hi Llc Integrated magnetometer arrays for magnetoencephalography (MEG) detection systems and methods
US11269027B2 (en) 2019-04-23 2022-03-08 Hi Llc Compact optically pumped magnetometers with pump and probe configuration and systems and methods
US11131724B2 (en) 2019-05-03 2021-09-28 Hi Llc Systems and methods for measuring current output by a photodetector of a wearable sensor unit that includes one or more magnetometers
US11839474B2 (en) 2019-05-31 2023-12-12 Hi Llc Magnetoencephalography (MEG) phantoms for simulating neural activity
US11131729B2 (en) 2019-06-21 2021-09-28 Hi Llc Systems and methods with angled input beams for an optically pumped magnetometer
CN110346738B (zh) * 2019-06-27 2021-04-20 洛阳师范学院 磁场测量方法及装置
US11415641B2 (en) 2019-07-12 2022-08-16 Hi Llc Detachable arrangement for on-scalp magnetoencephalography (MEG) calibration
US10996293B2 (en) 2019-08-06 2021-05-04 Hi Llc Systems and methods having an optical magnetometer array with beam splitters
WO2021045953A1 (en) 2019-09-03 2021-03-11 Hi Llc Methods and systems for fast field zeroing for magnetoencephalography (meg)
US11474129B2 (en) 2019-11-08 2022-10-18 Hi Llc Methods and systems for homogenous optically-pumped vapor cell array assembly from discrete vapor cells
US11801003B2 (en) 2020-02-12 2023-10-31 Hi Llc Estimating the magnetic field at distances from direct measurements to enable fine sensors to measure the magnetic field from the brain using a neural detection system
US11980466B2 (en) 2020-02-12 2024-05-14 Hi Llc Nested and parallel feedback control loops for ultra-fine measurements of magnetic fields from the brain using a neural detection system
US11604236B2 (en) 2020-02-12 2023-03-14 Hi Llc Optimal methods to feedback control and estimate magnetic fields to enable a neural detection system to measure magnetic fields from the brain
US11872042B2 (en) 2020-02-12 2024-01-16 Hi Llc Self-calibration of flux gate offset and gain drift to improve measurement accuracy of magnetic fields from the brain using a wearable neural detection system
US11977134B2 (en) 2020-02-24 2024-05-07 Hi Llc Mitigation of an effect of capacitively coupled current while driving a sensor component over an unshielded twisted pair wire configuration
US11428756B2 (en) 2020-05-28 2022-08-30 Hi Llc Magnetic field measurement or recording systems with validation using optical tracking data
US11779250B2 (en) 2020-05-28 2023-10-10 Hi Llc Systems and methods for recording biomagnetic fields of the human heart
WO2021242680A1 (en) 2020-05-28 2021-12-02 Hi Llc Systems and methods for recording neural activity
US11766217B2 (en) 2020-05-28 2023-09-26 Hi Llc Systems and methods for multimodal pose and motion tracking for magnetic field measurement or recording systems
US11604237B2 (en) 2021-01-08 2023-03-14 Hi Llc Devices, systems, and methods with optical pumping magnetometers for three-axis magnetic field sensing
US11803018B2 (en) 2021-01-12 2023-10-31 Hi Llc Devices, systems, and methods with a piezoelectric-driven light intensity modulator

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL274229A (de) * 1961-02-02
US3211994A (en) * 1962-02-13 1965-10-12 Texas Instruments Inc Resonance line shift compensated retractable helium magnetometer
FR2036193A5 (de) * 1969-03-06 1970-12-24 Thomson Csf
US4005355A (en) * 1974-07-09 1977-01-25 William Happer Method and apparatus for stimulating narrow line resonance conditions
US4544891A (en) * 1982-11-23 1985-10-01 The United States Of America As Represented By The Secretary Of The Navy Nuclear magnetic resonance gyroscope
FR2598518B1 (fr) * 1986-05-12 1988-06-24 Centre Nat Rech Scient Magnetometre a helium pompe par laser
US4780672A (en) * 1987-04-30 1988-10-25 Texas Instruments Incorporated Laser driven helium magnetometers

Also Published As

Publication number Publication date
FR2663429B1 (fr) 1992-09-11
NO912291L (no) 1991-12-16
EP0462002B1 (de) 1994-02-16
NO912291D0 (no) 1991-06-13
DE69101184T2 (de) 1994-08-18
CA2044537A1 (en) 1991-12-15
EP0462002A1 (de) 1991-12-18
US5225778A (en) 1993-07-06
FR2663429A1 (fr) 1991-12-20

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee