NL274229A - - Google Patents

Info

Publication number
NL274229A
NL274229A NL274229DA NL274229A NL 274229 A NL274229 A NL 274229A NL 274229D A NL274229D A NL 274229DA NL 274229 A NL274229 A NL 274229A
Authority
NL
Netherlands
Application number
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.)
Publication of NL274229A publication Critical patent/NL274229A/xx

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Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01RMEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R33/00Arrangements or instruments for measuring magnetic variables
    • G01R33/20Arrangements or instruments for measuring magnetic variables involving magnetic resonance
    • G01R33/24Arrangements or instruments for measuring magnetic variables involving magnetic resonance for measuring direction or magnitude of magnetic fields or magnetic flux
    • G01R33/26Arrangements 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)
  • Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
  • Measuring Magnetic Variables (AREA)
NL274229D 1961-02-02 NL274229A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US86697A US3257608A (en) 1961-02-02 1961-02-02 Optical magnetometers

Publications (1)

Publication Number Publication Date
NL274229A true NL274229A (fr)

Family

ID=22200277

Family Applications (1)

Application Number Title Priority Date Filing Date
NL274229D NL274229A (fr) 1961-02-02

Country Status (4)

Country Link
US (1) US3257608A (fr)
DE (1) DE1227994B (fr)
GB (1) GB964028A (fr)
NL (1) NL274229A (fr)

Families Citing this family (50)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1489742A1 (de) * 1964-05-18 1969-04-03 Ceskoslovenska Akademie Ved Schaltungsanordnung eines Superstabilisators eines magnetischen Feldes
US3381214A (en) * 1965-12-23 1968-04-30 Honeywell Inc Constant current source employing a paramagnetic resonance current to frequency converter
US3495161A (en) * 1967-01-19 1970-02-10 Varian Associates Optically driven atomic resonator systems employing means for modulating the sense of rotational polarization of the pumping light
US3629694A (en) * 1970-11-23 1971-12-21 Atlantic Richfield Co Method and apparatus providing a difference signal indicative of radiation absorption in a magnetometer
US3818322A (en) * 1973-05-03 1974-06-18 Atlantic Richfield Co Airborn magnetic survey system using two optical magnetometers alternately switched to align with the field during the survey
US4063158A (en) * 1975-12-29 1977-12-13 Rca Corporation Gaussmeter
US4126823A (en) * 1977-12-22 1978-11-21 Dalton Murphy L Jun Magnetic field detection apparatus
US4433291A (en) * 1981-01-09 1984-02-21 The United States Of America As Represented By The Secretary Of The Navy Optical fiber for magnetostrictive responsive detection of magnetic fields
US4576441A (en) * 1984-03-02 1986-03-18 United Technologies Corporation Variable fresnel lens device
US4822149A (en) * 1984-03-02 1989-04-18 United Technologies Corporation Prismatic ferroelectric beam steerer
US4639093A (en) * 1984-03-02 1987-01-27 United Technologies Corporation Switchable bandwidth filter
US4706094A (en) * 1985-05-03 1987-11-10 United Technologies Corporation Electro-optic beam scanner
US4636799A (en) * 1985-05-03 1987-01-13 United Technologies Corporation Poled domain beam scanner
FR2663429B1 (fr) * 1990-06-14 1992-09-11 Commissariat Energie Atomique Magnetometre a resonance et a pompage optique utilisant une polarisation sequentielle.
FR2713347B1 (fr) * 1993-12-01 1995-12-29 Commissariat Energie Atomique Magnétomètre à polarisation lumineuse et à champ de radiofréquence couplés.
JP5640490B2 (ja) * 2010-06-21 2014-12-17 セイコーエプソン株式会社 原子発振器
US9726626B2 (en) 2012-02-22 2017-08-08 Geometrics, Inc. Quantum mechanical measurement device
US9726733B2 (en) 2012-02-22 2017-08-08 Geometrics, Inc. Optical magnetometers
WO2015078527A1 (fr) * 2013-11-29 2015-06-04 Universität Zu Lübeck Procédé d'imagerie à particules magnétiques à champ de vision axial illimité
US11193990B2 (en) 2017-04-19 2021-12-07 Texas Instruments Incorporated Integrated microfabricated alkali vapor cell sensor with reduced heading error
US10976386B2 (en) 2018-07-17 2021-04-13 Hi Llc Magnetic field measurement system and method of using variable dynamic range optical magnetometers
US11262420B2 (en) 2018-08-17 2022-03-01 Hi Llc Integrated gas cell and optical components for atomic magnetometry and methods for making and using
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)
US11237225B2 (en) 2018-09-18 2022-02-01 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
US11022658B2 (en) * 2019-02-12 2021-06-01 Hi Llc Neural feedback loop filters for enhanced dynamic range magnetoencephalography (MEG) systems and methods
WO2020168404A1 (fr) * 2019-02-18 2020-08-27 Ibbx Inovação Em Sistemas De Software E Hardware Ltda Système et procédé d'optimisation de capture d'ondes électromagnétiques
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
US11698419B2 (en) 2019-05-03 2023-07-11 Hi Llc Systems and methods for concentrating alkali metal within a vapor cell of a magnetometer away from a transit path of light
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
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
US11747413B2 (en) 2019-09-03 2023-09-05 Hi Llc Methods and systems for fast field zeroing for magnetoencephalography (MEG)
WO2021091867A1 (fr) 2019-11-08 2021-05-14 Hi Llc Procédés et systèmes destinés à un ensemble réseau de cellules à vapeur à pompage optique homogène à partir de cellules à vapeur discrètes
RU198180U1 (ru) * 2019-11-22 2020-06-22 Открытое акционерное общество "Центральное научно-производственное объединение "Ленинец" Неориентируемый квантовый радиооптический магнитометр
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
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
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
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
WO2021242680A1 (fr) 2020-05-28 2021-12-02 Hi Llc Systèmes et procédés d'enregistrement de l'activité neuronale
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
WO2021242682A1 (fr) 2020-05-28 2021-12-02 Hi Llc Systèmes et procédés d'enregistrement de champs biomagnétiques du cœur humain
US11428756B2 (en) 2020-05-28 2022-08-30 Hi Llc Magnetic field measurement or recording systems with validation using optical tracking data
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
US12007454B2 (en) 2021-03-11 2024-06-11 Hi Llc Devices, systems, and methods for suppressing optical noise in optically pumped magnetometers

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL112908C (fr) * 1957-06-01
US2955262A (en) * 1957-12-10 1960-10-04 Itt Gas cell for frequency selective system

Also Published As

Publication number Publication date
US3257608A (en) 1966-06-21
GB964028A (en) 1964-07-15
DE1227994B (de) 1966-11-03

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