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Virtual Journal for Biomedical Optics

Virtual Journal for Biomedical Optics

| EXPLORING THE INTERFACE OF LIGHT AND BIOMEDICINE

  • Editor: Gregory W. Faris
  • Vol. 5, Iss. 6 — Apr. 8, 2010

Optical atomic magnetometer at body temperature for magnetic particle imaging and nuclear magnetic resonance

Nissa C. Garcia, Dindi Yu, Li Yao, and Shoujun Xu  »View Author Affiliations


Optics Letters, Vol. 35, Issue 5, pp. 661-663 (2010)
http://dx.doi.org/10.1364/OL.35.000661


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Abstract

Optical atomic magnetometers are often bulky and operate at elevated temperatures that impose restrictions on studying biological samples. Here we report a miniaturized Cs-based magnetometer, in contrast to conventionally used K- and Rb-based ones, with high sensitivity. The magnetic shield employed is more compact, and the optimal operation temperature of 37 ° C is lower than previous magnetometers and is suitable for biological research. Applications include scanning magnetic imaging of functionalized magnetic particles and nuclear magnetic resonance of water. We reveal that the stability and sensitivity of the apparatus are not significantly affected by the absence of a laser stabilization device.

© 2010 Optical Society of America

OCIS Codes
(020.1670) Atomic and molecular physics : Coherent optical effects
(120.1880) Instrumentation, measurement, and metrology : Detection

ToC Category:
Atomic and Molecular Physics

History
Original Manuscript: September 10, 2009
Revised Manuscript: November 24, 2009
Manuscript Accepted: January 25, 2010
Published: February 24, 2010

Virtual Issues
Vol. 5, Iss. 6 Virtual Journal for Biomedical Optics

Citation
Nissa C. Garcia, Dindi Yu, Li Yao, and Shoujun Xu, "Optical atomic magnetometer at body temperature for magnetic particle imaging and nuclear magnetic resonance," Opt. Lett. 35, 661-663 (2010)
http://www.opticsinfobase.org/vjbo/abstract.cfm?URI=ol-35-5-661

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