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Browse Journals & Magazines > Applied Physics Letters ...> Volume:90 Issue:8 Help

Chip-scale atomic magnetometer with improved sensitivity by use of the Mx technique

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6 Author(s)
Schwindt, Peter D.D. ; Time and Frequency Division, National Institute of Standards and Technology, Boulder, Colorado 80305 ; Lindseth, Brad ; Knappe, S. ; Shah, V.
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Your organization might have access to this article on the publisher's site. To check, click on this link:http://dx.doi.org/+10.1063/1.2709532 

The fabrication and performance of a miniature optically pumped atomic magnetometer constructed with microfabricated components are discussed. This device measures the spin precession frequency of 87Rb atoms to determine the magnetic field by use of the Mx technique. It has a demonstrated sensitivity to magnetic fields of 5 pT/Hz1/2 for a bandwidth from 1 to 100 Hz, nearly an order of magnitude improvement over our previous chip-scale magnetometer. The 3 dB bandwidth has also been increased to 1 kHz by reconfiguring the miniature vapor cell heater.

Published in:
Applied Physics Letters  (Volume:90 ,  Issue: 8 )

Date of Publication: Feb 2007

Page(s):
081102 - 081102-3
ISSN :
0003-6951
Digital Object Identifier :
10.1063/1.2709532
Product Type:
Journals & Magazines
Date of Current Version :
18 June 2009
Issue Date :
Feb 2007

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