Development of NMOR magnetometer for spin-maser EDM experiment

A. Yoshimi; T. Nanao; T. Inoue; T. Furukawa; M. Uchida; M. Tsuchiya; H. Hayashi; M. Chikamori; K. Asahi

doi:10.1016/j.phpro.2011.06.043

Development of NMOR magnetometer for spin-maser EDM experiment

A. Yoshimi, T. Nanao, T. Inoue, T. Furukawa, M. Uchida, M. Tsuchiya, H. Hayashi, M. Chikamori, K. Asahi

Research output: Contribution to journal › Conference article

5 Citations (Scopus)

Abstract

We have been developing a high sensitivity atomic magnetometer for atomic EDM experiments using a lowfrequency nuclear spin maser. In the developed nuclear spin maser of ¹²⁹Xe, suppression of drift and fluctuation in the magnetic field is one of the important issues. The magnetometer being developed for spin maser EDM experiments utilizes the nonlinear magneto optical rotation (NMOR) effect in Rb atomic vapor. The enhancement of the optical rotation in a small magnetic field relies on the long spin-coherence time of Rb atoms in a vapor cell. The NMOR spectrum was measured by using fabricated Rb cells coated with an anti-relaxation material. The NMOR spectrum dependence on laser frequency, cell coating, and laser beam diameter were investigated. The magnetic sensitivity at present is 0.2 μG/ √ Hz from observed NMOR and noise spectra.

Original language	English
Pages (from-to)	245-250
Number of pages	6
Journal	Physics Procedia
Volume	17
DOIs	https://doi.org/10.1016/j.phpro.2011.06.043
Publication status	Published - Jan 1 2011
Externally published	Yes
Event	2nd International Workshop on the Physics of Fundamental Symmetries and Interactions, PSI 2010 - Villigen, Switzerland Duration: Oct 11 2010 → Oct 14 2010

Keywords

Atomic magnetometer
Electric dipole moment
Nonlinear magneto optical rotation
Nuclear spin maser

ASJC Scopus subject areas

Physics and Astronomy(all)

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Yoshimi, A., Nanao, T., Inoue, T., Furukawa, T., Uchida, M., Tsuchiya, M., Hayashi, H., Chikamori, M., & Asahi, K. (2011). Development of NMOR magnetometer for spin-maser EDM experiment. Physics Procedia, 17, 245-250. https://doi.org/10.1016/j.phpro.2011.06.043

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title = "Development of NMOR magnetometer for spin-maser EDM experiment",

abstract = "We have been developing a high sensitivity atomic magnetometer for atomic EDM experiments using a lowfrequency nuclear spin maser. In the developed nuclear spin maser of 129Xe, suppression of drift and fluctuation in the magnetic field is one of the important issues. The magnetometer being developed for spin maser EDM experiments utilizes the nonlinear magneto optical rotation (NMOR) effect in Rb atomic vapor. The enhancement of the optical rotation in a small magnetic field relies on the long spin-coherence time of Rb atoms in a vapor cell. The NMOR spectrum was measured by using fabricated Rb cells coated with an anti-relaxation material. The NMOR spectrum dependence on laser frequency, cell coating, and laser beam diameter were investigated. The magnetic sensitivity at present is 0.2 μG/ √ Hz from observed NMOR and noise spectra.",

keywords = "Atomic magnetometer, Electric dipole moment, Nonlinear magneto optical rotation, Nuclear spin maser",

author = "A. Yoshimi and T. Nanao and T. Inoue and T. Furukawa and M. Uchida and M. Tsuchiya and H. Hayashi and M. Chikamori and K. Asahi",

year = "2011",

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doi = "10.1016/j.phpro.2011.06.043",

language = "English",

volume = "17",

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journal = "Physics Procedia",

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TY - JOUR

T1 - Development of NMOR magnetometer for spin-maser EDM experiment

AU - Yoshimi, A.

AU - Nanao, T.

AU - Inoue, T.

AU - Furukawa, T.

AU - Uchida, M.

AU - Tsuchiya, M.

AU - Hayashi, H.

AU - Chikamori, M.

AU - Asahi, K.

PY - 2011/1/1

Y1 - 2011/1/1

N2 - We have been developing a high sensitivity atomic magnetometer for atomic EDM experiments using a lowfrequency nuclear spin maser. In the developed nuclear spin maser of 129Xe, suppression of drift and fluctuation in the magnetic field is one of the important issues. The magnetometer being developed for spin maser EDM experiments utilizes the nonlinear magneto optical rotation (NMOR) effect in Rb atomic vapor. The enhancement of the optical rotation in a small magnetic field relies on the long spin-coherence time of Rb atoms in a vapor cell. The NMOR spectrum was measured by using fabricated Rb cells coated with an anti-relaxation material. The NMOR spectrum dependence on laser frequency, cell coating, and laser beam diameter were investigated. The magnetic sensitivity at present is 0.2 μG/ √ Hz from observed NMOR and noise spectra.

AB - We have been developing a high sensitivity atomic magnetometer for atomic EDM experiments using a lowfrequency nuclear spin maser. In the developed nuclear spin maser of 129Xe, suppression of drift and fluctuation in the magnetic field is one of the important issues. The magnetometer being developed for spin maser EDM experiments utilizes the nonlinear magneto optical rotation (NMOR) effect in Rb atomic vapor. The enhancement of the optical rotation in a small magnetic field relies on the long spin-coherence time of Rb atoms in a vapor cell. The NMOR spectrum was measured by using fabricated Rb cells coated with an anti-relaxation material. The NMOR spectrum dependence on laser frequency, cell coating, and laser beam diameter were investigated. The magnetic sensitivity at present is 0.2 μG/ √ Hz from observed NMOR and noise spectra.

KW - Atomic magnetometer

KW - Electric dipole moment

KW - Nonlinear magneto optical rotation

KW - Nuclear spin maser

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DO - 10.1016/j.phpro.2011.06.043

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VL - 17

SP - 245

EP - 250

JO - Physics Procedia

JF - Physics Procedia

SN - 1875-3884

T2 - 2nd International Workshop on the Physics of Fundamental Symmetries and Interactions, PSI 2010

Y2 - 11 October 2010 through 14 October 2010

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