WO2009073740A3 - Spin based magnetometer - Google Patents

Spin based magnetometer Download PDF

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Publication number
WO2009073740A3
WO2009073740A3 PCT/US2008/085428 US2008085428W WO2009073740A3 WO 2009073740 A3 WO2009073740 A3 WO 2009073740A3 US 2008085428 W US2008085428 W US 2008085428W WO 2009073740 A3 WO2009073740 A3 WO 2009073740A3
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WO
WIPO (PCT)
Prior art keywords
sequence
electronic spins
spin
electronic
spins
Prior art date
Application number
PCT/US2008/085428
Other languages
French (fr)
Other versions
WO2009073740A2 (en
Inventor
Mikhail Lukin
Ronald L. Walsworth
Amir Yacoby
Paola Capellaro
Jake Taylor
Liang Jiang
Lillian Childress
Original Assignee
President And Fellows Of Harvard College
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 President And Fellows Of Harvard College filed Critical President And Fellows Of Harvard College
Priority to US12/746,128 priority Critical patent/US8547090B2/en
Publication of WO2009073740A2 publication Critical patent/WO2009073740A2/en
Publication of WO2009073740A3 publication Critical patent/WO2009073740A3/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
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N24/00—Investigating or analyzing materials by the use of nuclear magnetic resonance, electron paramagnetic resonance or other spin effects
    • G01N24/10—Investigating or analyzing materials by the use of nuclear magnetic resonance, electron paramagnetic resonance or other spin effects by using electron paramagnetic resonance
    • 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
    • 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
    • G01R33/60—Arrangements or instruments for measuring magnetic variables involving magnetic resonance using electron paramagnetic resonance

Abstract

A method is disclosed for increasing the sensitivity of a solid state electronic spin based magnetometer that makes use of individual electronic spins or ensembles of electronic spins in a solid-state lattice, for example NV centers in a diamond lattice. The electronic spins may be configured to undergo a Zeeman shift in energy level when photons of light are applied to the electronic spins followed by pulses of an RF field that is substantially transverse to the magnetic field being detected. The method may include coherently controlling the electronic spins by applying to the electronic spins a sequence of RF pulses that dynamically decouple the electronic spins from mutual spin- spin interactions and from interactions with the lattice. The sequence of RF pulses may be a Hahn spin-echo sequence, a Carr Purcell Meiboom Gill sequence, or a MREV8 pulse sequence, by way of example.
PCT/US2008/085428 2007-12-03 2008-12-03 Spin based magnetometer WO2009073740A2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
US12/746,128 US8547090B2 (en) 2007-12-03 2008-12-03 Electronic spin based enhancement of magnetometer sensitivity

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US99187207P 2007-12-03 2007-12-03
US60/991,872 2007-12-03
US5836608P 2008-06-03 2008-06-03
US61/058,366 2008-06-03

Publications (2)

Publication Number Publication Date
WO2009073740A2 WO2009073740A2 (en) 2009-06-11
WO2009073740A3 true WO2009073740A3 (en) 2009-09-24

Family

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Application Number Title Priority Date Filing Date
PCT/US2008/085424 WO2009073736A1 (en) 2007-12-03 2008-12-03 Spin based magnetometer
PCT/US2008/085428 WO2009073740A2 (en) 2007-12-03 2008-12-03 Spin based magnetometer

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Application Number Title Priority Date Filing Date
PCT/US2008/085424 WO2009073736A1 (en) 2007-12-03 2008-12-03 Spin based magnetometer

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US (2) US8547090B2 (en)
WO (2) WO2009073736A1 (en)

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