WO2013055246A3 - A method and a device for the measurement of changes in magnetic field - Google Patents

A method and a device for the measurement of changes in magnetic field Download PDF

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Publication number
WO2013055246A3
WO2013055246A3 PCT/PL2012/000104 PL2012000104W WO2013055246A3 WO 2013055246 A3 WO2013055246 A3 WO 2013055246A3 PL 2012000104 W PL2012000104 W PL 2012000104W WO 2013055246 A3 WO2013055246 A3 WO 2013055246A3
Authority
WO
WIPO (PCT)
Prior art keywords
light
polarizer
polarization
angle
active medium
Prior art date
Application number
PCT/PL2012/000104
Other languages
French (fr)
Other versions
WO2013055246A2 (en
Inventor
Szymon PUSTELNY
Wojciech GAWLIK
Piotr WCISLO
Przemyslaw WLODARCZYK
Original Assignee
Uniwersytet Jagiellonski
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 Uniwersytet Jagiellonski filed Critical Uniwersytet Jagiellonski
Publication of WO2013055246A2 publication Critical patent/WO2013055246A2/en
Publication of WO2013055246A3 publication Critical patent/WO2013055246A3/en

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Classifications

    • 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
    • G01R33/032—Measuring direction or magnitude of magnetic fields or magnetic flux using magneto-optic devices, e.g. Faraday or Cotton-Mouton effect
    • 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
    • G01R33/022—Measuring gradient
    • 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
    • G01R33/032—Measuring direction or magnitude of magnetic fields or magnetic flux using magneto-optic devices, e.g. Faraday or Cotton-Mouton effect
    • G01R33/0322—Measuring direction or magnitude of magnetic fields or magnetic flux using magneto-optic devices, e.g. Faraday or Cotton-Mouton effect using the Faraday or Voigt effect
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R33/00—Arrangements or instruments for measuring magnetic variables
    • G01R33/12—Measuring magnetic properties of articles or specimens of solids or fluids
    • G01R33/1284—Spin resolved measurements; Influencing spins during measurements, e.g. in spintronics devices
    • 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

Abstract

A method and a device for measuring magnetic fields by optical detection of precession of spins in a magneto-optically active medium consisting in analysis of optical state of amplitude- or frequency-modulated elliptically polarized light. A light source is used to excite transitions between the ground and excited states in the atoms of the magneto-optically active medium contained within a cell, said light being polarized using the first polarizer and directed onto a quarter waveplate having its optical axis placed at an angle of 1 to 10 degrees to the direction of light polarization, thus transforming the linear polarization of light into elliptical polarization of light; next, said light is directed into a cell containing the active medium and the light passing through the cell is received at the analyzer consisting of a polarizer with the axis rotated at an angle of 70 to 1 10 degrees compared to the axis of the first polarizer, and the light transmitted through the analyzer is recorded by means of a detector that generates an electric signal which is subjected to frequency analysis; the signal of the angle of rotation of the semi-major axis of the polarization plane at a particular harmonic of the modulation frequency is used to determine changes in the magnetic field.
PCT/PL2012/000104 2011-10-14 2012-10-15 A method and a device for the measurement of changes in magnetic field WO2013055246A2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
PLP.396636 2011-10-14
PL396636A PL224509B1 (en) 2011-10-14 2011-10-14 Method for measure changes in the magnetic field and a device for measuring the magnetic field changes

Publications (2)

Publication Number Publication Date
WO2013055246A2 WO2013055246A2 (en) 2013-04-18
WO2013055246A3 true WO2013055246A3 (en) 2013-06-06

Family

ID=47324344

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/PL2012/000104 WO2013055246A2 (en) 2011-10-14 2012-10-15 A method and a device for the measurement of changes in magnetic field

Country Status (2)

Country Link
PL (1) PL224509B1 (en)
WO (1) WO2013055246A2 (en)

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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
EP2990076B1 (en) * 2014-09-01 2016-12-14 BIOTRONIK SE & Co. KG Implant with mri device recognition
PL227524B1 (en) 2015-03-21 2017-12-29 Univ Jagielloński Optical magnetometer
US11500231B2 (en) 2017-08-04 2022-11-15 SMR Patents S.à.r.l. Systems and methods for modulation control of a camera filter device
US11531145B2 (en) 2020-03-09 2022-12-20 Motherson Innovations Company Limited Device for an image acquisition system
CN111679230B (en) * 2020-05-25 2022-12-06 汕头大学 Magnetic field sensing device based on magnetic fluid
RU2757305C1 (en) * 2020-11-05 2021-10-13 Публичное Акционерное Общество "Сбербанк России" (Пао Сбербанк) Method for registering magnetic field and device for implementing method
CN114441506B (en) * 2022-04-08 2022-06-21 港湾之星健康生物(深圳)有限公司 Quantum magneto-optical sensor
CN114895729B (en) * 2022-05-16 2023-08-29 上海理工大学 Alkali metal air chamber laser heating device based on in-situ control
CN116859300B (en) * 2023-09-01 2023-11-17 华中科技大学 Quantum sensing frequency tracking control method and system based on diamond NV color center

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US20070120563A1 (en) * 2005-11-28 2007-05-31 Ryuuzou Kawabata Magnetic field measurement system and optical pumping magnetometer
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US20070120563A1 (en) * 2005-11-28 2007-05-31 Ryuuzou Kawabata Magnetic field measurement system and optical pumping magnetometer
US20070205767A1 (en) * 2005-11-28 2007-09-06 The Regents Of The University Of California Atomic magnetic gradiometer for room temperature high sensitivity magnetic field detection
US20080106261A1 (en) * 2006-11-07 2008-05-08 Trustees Of Princeton University Subfemtotesla radio-frequency atomic magnetometer for nuclear quadrupole resonance detection
US20120035458A1 (en) * 2006-11-16 2012-02-09 Flynn Edward R Detection, measurement, and imaging of cells such as cancer and other biologic substances using targeted nanoparticles and magnetic properties thereof
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Also Published As

Publication number Publication date
WO2013055246A2 (en) 2013-04-18
PL396636A1 (en) 2013-04-15
PL224509B1 (en) 2017-01-31

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