FR1562937A - - Google Patents

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Publication number
FR1562937A
FR1562937A FR1562937DA FR1562937A FR 1562937 A FR1562937 A FR 1562937A FR 1562937D A FR1562937D A FR 1562937DA FR 1562937 A FR1562937 A FR 1562937A
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FR
France
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
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Application filed filed Critical
Application granted granted Critical
Publication of FR1562937A publication Critical patent/FR1562937A/fr
Expired legal-status Critical Current

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Classifications

    • GPHYSICS
    • G04HOROLOGY
    • G04FTIME-INTERVAL MEASURING
    • G04F5/00Apparatus for producing preselected time intervals for use as timing standards
    • G04F5/14Apparatus for producing preselected time intervals for use as timing standards using atomic clocks
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N24/00Investigating or analyzing materials by the use of nuclear magnetic resonance, electron paramagnetic resonance or other spin effects
    • G01N24/006Investigating or analyzing materials by the use of nuclear magnetic resonance, electron paramagnetic resonance or other spin effects using optical pumping

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • High Energy & Nuclear Physics (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
  • Optical Modulation, Optical Deflection, Nonlinear Optics, Optical Demodulation, Optical Logic Elements (AREA)
FR1562937D 1967-01-19 1968-01-19 Expired FR1562937A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US61031867A 1967-01-19 1967-01-19

Publications (1)

Publication Number Publication Date
FR1562937A true FR1562937A (fr) 1969-04-11

Family

ID=24444557

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1562937D Expired FR1562937A (fr) 1967-01-19 1968-01-19

Country Status (4)

Country Link
US (1) US3495161A (fr)
DE (1) DE1673804A1 (fr)
FR (1) FR1562937A (fr)
GB (1) GB1219122A (fr)

Families Citing this family (38)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2163257A (en) * 1984-08-15 1986-02-19 Leonard Arthur Freeman Modified magnetic resonance apparatus
FR2668862A1 (fr) * 1990-11-07 1992-05-07 Centre Nat Rech Scient Procede de determination de l'amplitude d'un champ magnetique par pompage optique par laser et magnetometre pour la mise en óoeuvre du procede.
JP2005175221A (ja) * 2003-12-11 2005-06-30 Fujitsu Ltd 原子発振器の静磁場印加構造
US7872473B2 (en) * 2007-08-07 2011-01-18 The United States of America as represented by the Secretary of Commerce, the National Institute of Standards and Technology Compact atomic magnetometer and gyroscope based on a diverging laser beam
WO2009073256A2 (fr) * 2007-09-05 2009-06-11 The Regents Of The Universtiy Of California Magnétomètre atomique optique
US9869731B1 (en) 2014-03-31 2018-01-16 The Regents Of The University Of California Wavelength-modulated coherence pumping and hyperfine repumping for an atomic magnetometer
EP3605019A1 (fr) * 2014-06-02 2020-02-05 Twinleaf LLC Magnétomètre atomique sur substrat flexible
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)
CN111060089B (zh) * 2018-10-17 2022-07-15 北京自动化控制设备研究所 基于电子自旋磁共振差分的高灵敏核自旋进动检测方法
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
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
WO2021005179A1 (fr) * 2019-07-10 2021-01-14 Ams Ag Détecteur de gaz photothermique comprenant un guide d'ondes optique intégré sur puce
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
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
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
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
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
WO2021242682A1 (fr) 2020-05-28 2021-12-02 Hi Llc Systèmes et procédés d'enregistrement de champs biomagnétiques du cœur humain
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
WO2021242680A1 (fr) 2020-05-28 2021-12-02 Hi Llc Systèmes et procédés d'enregistrement de l'activité neuronale
US11428756B2 (en) 2020-05-28 2022-08-30 Hi Llc Magnetic field measurement or recording systems with validation using optical tracking data
CN112327063B (zh) * 2020-09-24 2024-04-30 中国科学院大学 一种提高微波电场测量空间分辨率的装置及方法
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 (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2705903A (en) * 1949-07-07 1955-04-12 Fred R Marshall Electro-optical shutters
NL131636C (fr) * 1958-10-07
CA667048A (en) * 1960-09-16 1963-07-16 Varian Associates Optical magnetometer and gradiometer
NL274229A (fr) * 1961-02-02
NL275910A (fr) * 1961-03-14
US3187251A (en) * 1962-02-21 1965-06-01 Varian Associates Quantum oscillators
US3239671A (en) * 1962-05-21 1966-03-08 Gen Telephone & Elect Single-sideband light modulator

Also Published As

Publication number Publication date
US3495161A (en) 1970-02-10
DE1673804A1 (de) 1971-06-03
GB1219122A (en) 1971-01-13

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