[go: up one dir, main page]

Camparo et al., 2013 - Google Patents

The 2 nd harmonic signal in vapor-cell clocks & error-signal quality: Does S 2 imply dS 1/dΔ?

Camparo et al., 2013

Document ID
16116987243462197053
Author
Camparo J
Fathi G
Publication year
Publication venue
2013 Joint European Frequency and Time Forum & International Frequency Control Symposium (EFTF/IFC)

External Links

Snippet

How does one directly assess the quality of a Rb atomic clock signal remotely and in real time? Typically, one monitors the clock's 2 nd harmonic signal, S 2, which in the quasi-static approximation is a measure of the correction signal's slope, dS 1/dΔ. Unfortunately, in real …
Continue reading at ieeexplore.ieee.org (other versions)

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
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using infra-red, visible or ultra-violet light
    • G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
    • G01N21/25—Colour; Spectral properties, i.e. comparison of effect of material on the light at two or more different wavelengths or wavelength bands
    • G01N21/31—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry
    • G01N21/39—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using tunable lasers
    • G01N2021/396—Type of laser source
    • G01N2021/399—Diode laser
    • 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
    • G01R33/44—Arrangements or instruments for measuring magnetic variables involving magnetic resonance using nuclear magnetic resonance [NMR]
    • G01R33/46—NMR spectroscopy
    • 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
    • G01R33/28—Details of apparatus provided for in groups G01R33/44 - G01R33/64
    • G01R33/38—Systems for generation, homogenisation or stabilisation of the main or gradient magnetic field
    • G01R33/389—Field stabilisation, e.g. by field measurements and control means or indirectly by current stabilisation
    • 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
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRA-RED, VISIBLE OR ULTRA-VIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
    • G01J3/00—Spectrometry; Spectrophotometry; Monochromators; Measuring colour
    • G01J3/28—Investigating the spectrum
    • G01J3/42—Absorption spectrometry; Double beam spectrometry; Flicker spectrometry; Reflection spectrometry
    • G01J3/433—Modulation spectrometry; Derivative spectrometry
    • G01J3/4338—Frequency modulated spectrometry
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
    • G01C19/00—Gyroscopes; Turn-sensitive devices using vibrating masses; Turn-sensitive devices without moving masses; Measuring angular rate using gyroscopic effects
    • G01C19/58—Turn-sensitive devices without moving masses
    • G01C19/64—Gyrometers using the Sagnac effect, i.e. rotation-induced shifts between counter-rotating electromagnetic beams

Similar Documents

Publication Publication Date Title
US9917592B2 (en) Atomic oscillator, method of detecting coherent population trapping resonance and magnetic sensor
US10274549B1 (en) Scalar atomic magnetometer with heading error suppression
US9869731B1 (en) Wavelength-modulated coherence pumping and hyperfine repumping for an atomic magnetometer
US6472869B1 (en) Diode laser-pumped magnetometer
US7825736B2 (en) Method for suppressing light shift in optical pumping systems
US20100188081A1 (en) Method and Device for Measuring Magnetic Fields
EP2944971B1 (en) Atomic sensor system
US9229073B2 (en) Systems and method to substantially mitigate AC stark shift effects in a sensor system
US8183942B2 (en) Atomic clock operating with helium 3
Gerginov et al. Two-photon optical frequency reference with active ac Stark shift cancellation
Weiner et al. Superradiant Raman laser magnetometer
McKelvy et al. Technical limits of sensitivity for EIT magnetometry
Camparo et al. The 2 nd harmonic signal in vapor-cell clocks & error-signal quality: Does S 2 imply dS 1/dΔ?
Ignatovich et al. Light shifts in the rubidium CPT atomic clock with laser current modulation at 3.4 and 6.8 GHz
Groeger et al. Design and performance of laser-pumped Cs-magnetometers for the planned UCN EDM experiment at PSI
JP2001285064A (en) Gas cell atomic oscillator
Yin et al. Dynamic range and linearity improvement for zero-field single-beam atomic magnetometer
Sedlacek et al. Quantum assisted electrometry using bright atomic resonances
Pati et al. Implementation of a Vector Magnetometer using Synchronous Coherent Population Trapping and Feedback Compensated Field Coil
Lin et al. Laser pumped 4He magnetometer with light shift suppression
Pollinger et al. Control loops for a coupled dark state magnetometer
Lecomte et al. Performance demonstration of a single-frequency optically-pumped cesium beam frequency standard for space applications
Shalaby Laser Frequency Stabilization using a Microcontroller
Ignatovich et al. Coherent Population Trapping Resonance Parameters and Field Shifts during the Detection of Signals from Different Cross-Sectional Areas of the Interaction of Laser Radiation with Atoms
Besedina et al. Short and medium term frequency stability of a laser pumped rubidium gas-cell frequency standard for satellite navigation